tank blanketing book

Tank blanketing, or padding, is the process and practice of covering

the surface of a stored commodity, usually a liquid, with a gas. If that

commodity is volatile or toxic, tank blanketing can prevent it from harming

workers, equipment, and the environment. When the commodity is a food

or other substance, blanketing protects it from oxidation or contamination

through exposure to air or moisture. In most cases, tank blanketing gas is

pure, dry nitrogen.

Blanketing can prevent liquids from vaporizing into the atmosphere and

can maintain the tanks vapor space above a flammable or combustible liquid

to reduce potential ignition while pumping. It can make up the volume of

liquid displaced in or out of a tank, or it can make up volume caused by

thermal changes of the tanks contents, preventing the creation of a vacuum

or excess operating pressure.

Vapor recovery systems are mainly used to prevent vapors from escaping

into the atmosphere. When adding liquid to the tank or when the outside

temperature rises, causing the vapor inside the tank to expand, the vapor

recovery system senses the increase in tank pressure and vents the excessive

tank pressure to a safe place.

TANK BLANKETING AND VAPOR RECOVERY

362

IntroductionEvery Fisher product, including each casting and seal, is performance tested, calibrated, and ready to install. Our products are right the first time, every time. Our diagnostics allow the ability to analyze system performance. You will find our variety of tank blanketing and vapor recovery products are the most economical and efficient vapor conservation solutions. From the smallest tank to the largest petrochemical plant, Fisher is positioned

Application: Tank Blanketing

to give you the attention and response you need. Whether you are checking the status of an order or requesting technical support, you will discover that our quality products are matched only by our personnel and the service that we provide. Fisher professional engineering staff is commited to new product development to help meet your requirements and to ensure that your systems function properly day in and day out. Our engineers

work closely with the production staff, monitoring quality and continuing product improvement. Fisher Sales Offices worldwide are accessible and ready to assist you in solving your technical challenges. We take pride in providing the after-the-sale support that is unrivaled in our industry.

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363

TANK BLANKETING & VAPOR RECOVERY APPLICATION MAP

Section OutlineQuick Selection Guide ........................364Applications .......................................366Sizing ................................................369Products: Tank Blanketing Valves (Pad) Type 1190 ..................................377 Type ACE95 ................................389 Type ACE95jr ..............................393 Type ACE95SR ............................396 Y690A Series ..............................399 Type Y692 ..................................408 Type Y693 ..................................414 Vapor Recovery Valves (Depad) 66R Series .................................371 Type 1290 ..................................383 Type Y695A ................................420 Type Y696 ..................................423

Features

Pilot-Operated Systems Offer: Extremely low setpoints and high accuracy. Greater capacity for large tanks and/or pump rates. Direct Operated Systems Offer: Low initial cost. Straghtforward design with fewer components. Extremely fast speed of response with near inninte turndown. Good Rangeability. Fully Balanced Systems Highest Capacity: Flows up to 2.8 million scfh (75,000 m3/h(n)) High Sensitivity In-Line Maintenance Inlet Pressure as high as 300 psig (20,7 bar) Setpoints as Low as -5-inch w.c. (0,62 mbar) Broad Material Selection Tight Shutoff

363

364

TANK BLANKETING (PAD) WITH POSITIVE

PRESSURE

MAXIMUM INLET PRESSURE

OUTLET PRESSURE RANGE

MAXIMUMCAPACITY

TYPE NUMBER

-0.5-inch w.c. to 5 psig

(-1,2 to 350 mbar)

1-inch w.c. to 7 psig

(2,5 to 483 mbar)

1-inch w.c. to 7 psig

(2,5 to 483 mbar)

1/2-inch w.c. to 10 psig

(1,2 to 690 bar)


(-1,2 to 350 mbar)


(-1,2 to 350 mbar)

1/4-inch w.c. to 7 psig

(0,6 to 483 mbar)

3330 SCFH (89 Nm3/h)

5260 SCFH (141 Nm3/h)

19,820 SCFH (531 Nm3/h)

26,700 SCFH (716 Nm3/h)

83,200 SCFH (2220 Nm3/h)

499,600 SCFH (13 300 Nm3/h)

2,811,000 SCFH (75 340 Nm3/h)

200 psig (14,1 bar)

150 psig (10,3 bar)

150 psig (10,3 bar)

150 psig (10,3 bar)

200 psig (14,1 bar)

200 psig (14,1 bar)

300 psig (20,7 bar)

Type ACE95jr

Page 393

Y690A Series

Page 399

Type Y692

Page 408

Type Y693

Page 414

Type ACE95

Page 389

Type ACE95SR

Page 396

Type 1190

Page 377

TANK BLANKETING & VAPOR RECOVERY QUICK SELECTION GUIDE

365

VAPOR RECOVERY (DE-PAD) WITH

POSITIVE PRESSURE

SET PRESSURE RANGE

MAXIMUMCAPACITY

TYPE NUMBER

2-inches w.c. to 7 psig (5 to 480 mbar)

2-inches w.c. to 7 psig (5 to 480 mbar)

2-inches w.c. to 3.25 psig (5 to 224 mbar)

1/2-inch w.c. to 7 psig (1,2 to 480 mbar)

2470 SCFH (66 Nm3/h)

13,100 SCFH (351 Nm3/h)

115,000 SCFH (3082 Nm3/h)

327,400 SCFH (8774 Nm3/h)

Type Y695A

Page 420

Type Y696

Page 423

66R Series

Page 371

Type 1290

Page 383

TANK BLANKETING & VAPOR RECOVERY QUICK SELECTION GUIDE

366

TANK BLANKETING & VAPOR RECOVERY APPLICATIONS

INTRODUCTIONTank blanketing is a method of controlling vapor pressure in a liquid storage tank. The main purpose of tank blanketing is to prevent air and moisture from entering the tank. The tank blanketing process may be used with positive and negative tank pressure.

TANK BLANKETING WITH POSITIVE PRESSUREGas blanketing and vapor recovery are two techniques that can safely and effectively put a cap on volatile vapors in tanks and other process vessels, thus keeping them from escaping into the atmosphere. There are nearly two hundred volatile and hazardous pollutants that must be controlled to prevent the emission of vapors during storage, handling, and processing operations.

The combination of gas blanketing and vapor recovery devices maintains a

constant pressure in the tanks vapor space above stored liquid. As a result, tanks containing volatile vapors can breathe during pumping operations or if the ambient temperature changes (causing the vapor to expand or contract).

Tank Blanketing (also called Pad)Tank Blanketing or Padding allows the use of a low-pressure blanket of gas, such as nitrogen, to maintain a protective gaseous environment above any liquid stored in a tank or vessel. The low-pressure gas blanket fills the void vapor space above the liquid stored in the tank. A gas blanketing system reduces the high-pressure source of gas to a lower pressure forming a blanket over the liquid. Low-pressure blanketing systems commonly protect tanks containing volatile organic liquids.

The positive pressure gas blanket helps prevent outside air, moisture, and other contaminants from entering the storage

tank. In addition, the positive pressure of the system provides a head pressure above the liquid to reduce vapor loss which helps protect the tank from corrosion. Storage vessels without adequate protection against corrosion or contamination can cause serious problems if left unattended.

When the tank suddenly cools, the vapors inside condense causing the tank pressure to decrease. This causes the regulator to open which allows the blanketing gas into the tank. Blanketing regulators also maintain a constant tank pressure while removing liquid from the tank. The positive pressure prevents the tank from collapsing.

Inlet pressures at the regulator typically range up to 300 psig (20,7 bar), and the blanketing systems set pressure is normally 2 inches of water column (5 mbar) or less. The set pressure is kept as low as possible to minimize consumption of blanketing gas.

Vapor Pressure

Liquid

Blanketing Gas Supply Pressure

Type Y690A

FIGURE 1 Tank Blanketing (Padding)When the vapor pressure in the tank drops below preset limits, the regulators diaphragm moves the valve disk away from the seat, allowing blanketing gas to ow in.

Vapor Pressure

Liquid

Vapor Recovery Vacuum Source

Type Y695AVacuum Pump

FIGURE 2 Vapor Recvoery (De-Padding)In vapor-recovery applications, the regulator moves the valve disk awy from the seat in response to high vapor pressures, allowing excess vapor to ow out of the tank.

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Vaccum Being Controlled

Liquid

Vacuum Pump

Type Y695VR

FIGURE 3 Vacuum Regulator

Vapor Recovery (also called De-Pad)When pressure inside the vessel rises due to thermal heating or pump-in of product, the vapor recovery regulator senses an increase in tank pressure and vents excessive tank pressure to an appropriate vapor-recovery disposal or reclamation system.

Vapor recovery systems have several applications, but the most common reason for installing a system is to prevent vapors from escaping into the atmosphere (some vapors can be vented directly to atmosphere).

Setpoints for vapor recovery systems are typically higher than the blanketing system setpoint to minimize consumption of the blanketing gas. Emergency vents are installed to protect the tank from an upset condition, but these function only in the event of regulator failure or other emergency condition.

Tank Blanketing and Vapor Recovery Valve TypesThere are two main types of valves used in positive pressure tank blanketing systems: direct-operated and pilot-operated. Direct-operated valves for blanketing sense the tanks vapor pressure, and this pressure registers directly on the valves diaphragm. When the tanks vapor pressure decreases below the systems setpoint, the diaphragm moves the valve disk away from its seat, allowing gas to flow into the tank.

The position of the disk relative to the seat regulates the amount of flow. Variable-flow control is called throttling. Here, as vapor pressure in the tank increases, the disk moves closer to the seat and shuts off the flow completely when the pressure rises above the setpoint. Direct-operated systems respond quickly to changes in tank pressure.In vapor recovery, the action of the direct-operated valve is reversed. When the tanks vapor pressure rises above the setpoint, the valves disk moves away from the seat, allowing the vapor to flow out of the tank. Thus, the higher the pressure buildup above setpoint, the more the disk moves and the greater the flow. The valve shuts off the flow of escaping gas when the vapor pressure in the tank is reduced below the setpoint.

In pilot-operated valves for blanketing, a pilot valve opens in response to a lower tank pressure, and a loading pressure is loaded or unloaded to the main valve to open it. When downstream demand is satisfied, the outlet pressure increases slightly, thus acting on the diaphragms of the pilot and main valves. Then, the pilot diaphragm moves to close the pilot valve plug, and the loading pressure to the main valve is reduced or increased, allowing it to shut off. Small changes in vapor pressure in the tank are amplified by the pilot valve, resulting in very accurate pressure control of the gas-vapor blanket.

Pilot-operated systems for vapor recovery utilize components similar to those used for blanketing, but the action is reversed. In this case, supply pressure is equalized on both sides of the main valves diaphragm. When the tanks vapor pressure reaches the pilot setpoint, it begins to open and unload the supply pressure from one side of the main valve diaphragm. The resulting pressure imbalance allows the main valve to then open.

Selecting a SystemIn general, direct-operated tank blanketing and vapor recovery valves respond faster and are typically less expensive to purchase, install, and maintain. A direct-operated valve should be the first choice if it meets the capacity and accuracy requirements of the system.

Pilot-operated blanketing and vapor-recovery systems may have lower setpoints and greater accuracy than direct-operated systems. Pilot-operated systems are used when the allowable change in controlled pressure is small, or if flow capacities are large. They are also the choice if the body size of the valve is larger than two inches. Pilot-operated systems are the best choice where accuracy and capacity are of prime importance.

TANK BLANKETING IN A VACUUM (NEGATIVE PRESSURE)When applications arise where the gas blanketing requirements are in vacuum, a combination of a vacuum breaker and a vacuum regulator may be used. Vacuum blanketing is used to prevent vessel leakage to atmosphere when the vapors inside the vessel are harmful. If leakage were to occur, outside air would enter the vessel because of the vacuum in the tank. Therefore, any process vapors in the tank would be contained.

There is a variety of terminology used to describe vacuum, causing confusion when communicating with someone that uses different terminology. Fisher uses the following vacuum terminology.

First determine whether the units are in absolute pressure or gauge pressure (0 psig or 0 bar (g) is atmospheric pressure). For example:

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5 psig (0,34 bar g) vacuum is 5 psi (0,34 bar) below atmospheric pressure

-5 psig (-0,34 bar g) is 5 psi (0,34 bar) below atmospheric pressure

9.7 psia (0,67 bar a) is 9.7 psi (0,67 bar) above absolute zero or 5 psi (0,34 bar) below atmospheric pressure (14.7 psia - 5 psi = 9.7 psia or 1,01 bara - 0,34 bar = 0,67 bara).

Just as there are pressure reducing regulators and pressure relief valves for positive pressure service, there are two basic applications for vacuum service. The terms used for each are sometimes confusing. Therefore, it is sometimes necessary to ask further questions to determine the required function of the regulator. Fisher uses the terms vacuum breaker and vacuum regulator to differentiate between the two types.

Vacuum BreakersVacuum breakers limit the increase in vacuum. An increase in vacuum (decrease in absolute pressure) beyond the setpoint is sensed on the diaphragm causing the disk to move away from the seat. This permits the higher pressure to enter the system and restore the controlled vacuum to its original pressure setting.

Vacuum RegulatorsVacuum regulators maintain a constant vacuum at the regulator inlet. A decrease in vacuum (increase in pressure) beyond the setpoint registers on the diaphragm causing the disk to move away from the seat, allowing a higher vacuum source to restore the vacuum to its original setting.

Vacuum ApplicationsFisher offers several vacuum regulators and vacuum breakers. For specific product information contact your local sales representative for application solutions.

TANK BLANKETING ACCESSORIESAccessories can be added to a valve. The following is a list of accessories that can be added to a tank blanketing or vapor recovery valve to create a system.

First-Stage RegulatorA first-stage regulator is used to reduce a high inlet pressure to a lower pressure before it enters the blanketing valve.

Pressure GaugeA permanently installed gauge is placed downstream of the first-stage regulator, on the outlet of the regulator, or on the control line connection. These gauges are used to monitor the system and check performance, monitor start-up, and make adjustments.

Control Line PurgeThe purge flowmeter maintains a very small continued flow of blanketing gas through the control line. This eliminates the backflow of tank vapors into the regulator by constantly sweeping them back to the tank. The purge will protect the valve components against potentially corrosive tank vapors and crystallization of the process.

Main Line PurgeThe main line purge serves the same purpose as the control line purge, only it purges tank vapors from the main line. Some systems use both control line and main line purges.

Check ValveA check valve can be piped to the outlet of the tank blanketing valve. This also prevents backflow from the tank to the valve. A check valve should not be applied to valves with internal pressure registration since it inhibits control.

DiagnosticsA diagnostic port provides the capability to analyze the valves operation in the field, making servicing simpler and more reliable. This is available on the Type ACE95 and Type ACE95Sr.

SAVING NITROGENPlant utility managers, tank farm managers and those with storage vessel maintenance responsibilities can easily reduce their gas blanketing expense by using low-setpoint technology.

Fisher low-setpoint tank blanketing valves allow storage vessel operators to maintain a 1/4-inch w.c. (0,62 mbar) setpoint for blanketing gas. Such low blanketing pressures minimize blanketing gas losses by reducing the volume of gas being forced through poorly sealed breather vents and incidental escape paths. The cumulative effect of using Fishers low-setpoint technology can result in significant savings.

Escape Paths Lead to LossIn a typical storage vessel, numerous escape paths, pinholes, and seal leaks equal

Vaccum being limited

Liquid

Atmosphere or Positive Pressure

Type Y690VB

Vacuum Pump

FIGURE 4 Vacuum Breakers

369


to just 1 inch in diameter will result in up to $8,683 of nitrogen gas loss when tank pressures are maintained at 1-inch w.c. (2 mbar) versus 1/4-inch w.c. (0,62 mbar).

How Blanketing Gas is SavedEscape paths, such as slight roof corrosion or poorly seated vents and pressure/vacuum valves also contribute to blanketing gas consumption. Increased vessel blanketing pressures will cause more gas loss. Decreased pressures, such as 1/4-inch w.c. (0,62 mbar), minimize nitrogen loss.

Typical Annual Expenses CalculatedThe chart shown in Figure 5 demonstrates the typical incremental annual expense of nitrogen lost when using setpoints above 1/4-inch w.c. (0,62 mbar). To estimate the expense of the annual gas loss, nitrogen was conservatively estimated at $2.00/1000 scfh and validated with a major nitrogen supplier.

$ 0

$ 5,000

$10,000

$15,000

$20,000

$25,000

$30,000

$35,000

$40,000

1/4"6.4 mm

3/4" w.c.1,9 mbar

1/2" w.c.1,2 mbar

1" w.c.2,5 mbar

2" w.c.5 mbar

7" w.c.17,5 mbar

1/2"12.7 mm

3/4"19.1 mm

1"25.4 mm

Blanketing Setpoint

Nitro

gen

Cost

Per

Tank

Per

Year

Nitrogen Cost vs. Leak Diameter

Nitrogen Escape Path Effective Leak Diameter

FIGURE 5 Annual savings from a 1/4-inch w.c. (0,62 mbar) Setpoint Versus Higher SetpointsReduce your gas blanketing expense with low-setpoint technology. This table shows the incremental annual expense of nitrogen where blanketing setpoints are greater than 1/4-inch w.c. (0,62 mbar).

SIZINGIn order to size a pad or depad application, the user must decide which method is appropriate for the application. Unfortunately, there are few guidelines available. Basically there are two methods in use: direct displacement and API 2000.

The direct displacement method assumes that the volume of product displaced must be replenished by an equal volume of gas. There are no corrections applied for vaporization of product, thermal expansion/contraction or other variables. This method is appropriate for indoor tanks operating at a constant temperature and handling non-flammable product with low vapor pressures. It allows no room for thermal cycling.

The API 2000 method is more complex. It accounts for all of the variables mentioned above. However, it may oversize equipment

in many instances. It was developed for tank venting and oversizing was considered to be acceptable.

It is known that some users practice API 2000 sizing, but apply factors to reduce the calculated volumetric requirements. Only the user can decide what is the appropriate method to use for their application.

The blanketing (pad) and venting (depad) valves are system or process operating valves. Supplemental emergency venting should be considered to protect the tank in case of equipment failure, fire exposure, or other conditions that would cause the tank pressure to exceed operating limits. The pad and depad valves are not meant to substitute for emergency tank vents. These vents protect the tank from excessive pressure/vacuum and provide venting for exposure to fire.

370


Sizing must also take into account applicable codes and standards as they apply to installation.

The reader is encouraged to contact API and obtain a copy of API 2000. (American Petroleum Institute, 1220L Street NW, Washington, DC 20005. (202) 682-8375)

TerminologyThe term PAD refers to the make-up or blanketing of tank vapor space contents to maintain pressure. This is to accomodate the effect of removing liquid from the tank, and the effects of ambient cooling of the tank.

The term DEPAD refers to venting the tank vapor space contents to limit pressure. This is to accomodate the effect of adding liquid into the tank and the effect of warming the tank contents.

SIZING METHODSignificant undersizing is undesirable in that it can result in having a higher than desired pressure when depadding (venting). If the pad (blanketing) valve is undersized it can result in the tank pressure dropping too low and the atmospheric vacuum vent opening. This would allow atmospheric air and moisture into the vapor space.A grossly oversized pad valve could cause overshooting the setpoint, but it is less likely. Pad valves are more tolerant of oversizing than depad valves.

Gross oversizing the depad, however, can result in having the vapor space pressure drop too far below depad setpoint and cause the pad valve to actuate. This is interaction. Oversizing can also increase the cost of the system and result in unnecessary cycling.

When very large tanks are used, the thermal component flow portion of the API methods can be significantly larger than the displacement flow. This means that under conditions of displacement only (no thermal requirement), the valve may be oversized. The depad valve is sized on a differential pressure, which is tank pressure (set pressure + buildup) minus the outlet pressure which is typically a vacuum. Using this information, estimates can be made of the resulting operating pressure of

the system, at any flow rate, with any size valve. You can simply look at the capacity tables and determine the differential pressure that would result at a given flow rate. Sizing could maintain a lower pressure under most conditions and a higher pressure under 100% flow conditions. This information could be useful in sizing and could result in a reduced installed cost. Caution must be excercised to maintain the tank operating pressure within allowable limits under all conditions.

Oversizing of the depad valve can (but will not always) result in the pressure dropping

enough, when the depad opens, to enter the pad pressure region. It is for this reason that we require a deadband between the pad and depad operating points. In the case of a displacement flow being significantly less than the thermal portion it may be wise to increase the deadband. Alternately, the depad Cv may be reduced and the tank pressure allowed to rise higher under thermal flow conditions. This modification would require a close examination of the system capabilities including the tank maximum allowable working pressure (MAWP) and the atmospheric vent settings.

Control line should slope downward toward the tank to prevent condenstation buildup.

Make the control line as short and straight as possible.

Connect the control line to the point where the pressure is to be controlled.

Increase 1 pipe size for every 10 feet of control line, with setpoints less than 5-inches w.c. (0,012 bar).

Vapor Pressure

Liquid

FIGURE 6 Control Line Installation Tips

66R Series Vapor Recovery Valves

371

TANK BLANKETING & VAPOR RECOVERY PRODUCTS

IntroductionThe 66R Series vapor recovery valves respond to changes in blanket gas pressure and throttle open or closed to control the ow of the blanket gas out of the vessel. A vacuum source on the outlet of the regulator can be used to increase ow capacity of low-pressure blanket gas out of the vessel into a vapor disposal or reclamation system. The Type 66RR uses a pilot to decrease buildup and provide even higher accuracy.

Body Sizes and End Connection StylesSee Table 1

Pressure RegistrationType 66R: Internal (standard) or ExternalType 66RR: External

Maximum Inlet PressureType 66R: 8 psig (0,55 bar)Type 66RR: 10 psig (0,69 bar)

Set Pressure RangesType 66R: 2-inches w.c to 3 psig(5 to 207 mbar) in six rangesType 66RR: 4-inches w.c. to 7 psig(10 to 0,48 mbar) in six ranges

Temperature CapabilitiesNitrile (NBR):-40 to 180F (-40 to 82C)Fluoroelastomer (FKM):40 to 300F (4 to 149C)

Additional Technical DataFor more technical information, contact your local Sales Ofce or refer to the product Bulletin 71.4:66R. To locate product literature or your local Sales Ofce, log on to: www.FISHERregulators.com

Figure 1. Type 66R Vapor Recovery Valve

Figure 2. Type 66R Sectional View

Table 2. Types 66R and 66RR Construction MaterialsBODY DIAPHRAGM CASE SPRING CASE DIAPHRAGM AND O-RING VALVE PLUG AND SEAT RING

Cast iron or WCB Steel Steel or S30400 Stainless steel Plated steel Nitrile or Fluoroelastomer (FKM) Brass (standard) or Stainless steel

Table 3. Type Y695RR Pilot Construction MaterialsBODY AND SPRING CASE DIAPHRAGM CASE DIAPHRAGM AND DISK ORIFICE AND DISK HOLDER LEVER ASSEMBLY

Ductile iron Ductile iron Nitrile (NBR) or Fluoroelastomer (FKM) S31600 Stainless steel S30200 Stainless steel

Table 1. Body Sizes and End Connection Styles

BODY SIZE,INCHES (DN)

END CONNECTION STYLES

Cast Iron Steel or Stainless Steel

2 (50) NPT or 125 FF NPT, 150 RF or 300 RF

3 or 4 (80 or 100) 125 FF 150 RF or 300 RF

W1935

W1261_1

Features

Low Setpoints

Highly Accurate

Simple Design

High Flow Rates


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Figure 3. Type 66RR Figure 4. Type 66RR Sectional View

W1908

W3128_1

Table 4. Type 66R Relief Set Pressure RangesBODY SIZE, INCHES (DN) CONSTRUCTION RELIEF SET PRESSURE RANGE SPRING PART NUMBER(1) WIRE DIAMETER, INCHES (mm)

2 (50)Standard

2 to 8-inches w.c.6 to 16-inches w.c.

11-inches w.c. to 1 psig0.75 to 1.5 psig

1 to 2 psig

(5 to 20 mbar)(15 to 40 mbar)(27 to 69 mbar)(52 to 103 mbar)(69 to 138 mbar)

1D7654000A21D7655000A21D7656000A21D7657000A21D7658000A2

0.1200.1380.1770.2070.225

(3,05)(3,51)(4,50)(5,26)(5,72)

Special 1.5 to 3 psig (103 to 207 mbar) 1D9626000A2 0.262 (6,65)

3 (80)Standard



1 to 2 psig


1D7707000A21D7708000A21D7657000A21D7658000A21D7709000A2

0.1350.1620.2070.2250.283

(3,43)(4,11)(5,26)(5,72)(7,19)

Special 1.5 to 3 psig (103 to 207 mbar) 1E2044000A2 0.306 (7,77)

4 (100)Standard



1 to 2 psig


1D7710000A21D7711000A21D5276000A21D7712000A21D7713000A2

0.1350.1770.2250.2620.283

(3,43)(4,50)(5,72)(6,65)(7,19)

Special 1.5 to 3 psig (103 to 207 mbar) 1E2045000A2 0.331 (8,41)

1. These springs come from the factory tagged with the part number.

Table 5. Type 66RR Relief Set Pressure Ranges

CONSTRUCTION RELIEF SET PRESSURE RANGETYPE Y695RR PILOT SPRING INFORMATION

Part Number(1) Color Code Wire Diameter, Inches (mm) Free Length, Inches (mm)

Standard


12 to 28-inches w.c.0.9 to 2.5 psig1.3 to 4.5 psig


1B6538270521B6539270221B5370270521B5371270221B537227022

RedOlive drab

YellowLight greenLight blue

0.0850.1050.1140.1560.187

(2,16)(2,67)(2,90)(3,96)(4,75)

3.6253.7504.1884.0603.938

(92)(95)(106)(103)(100)

Special 3.8 to 7 psig (260 to 480 mbar) 1B537327052 Black 0.218 (5,54) 3.980 (101)

1. Published ranges are with the spring case pointed up.


373


Table 6. Selected Type 66R Relief Capacities in SCFH (Nm3/h) of 0.97 Specic Gravity Nitrogen

BODY SIZE, INCHES

(DN)

SPRING PARTNUMBER

RELIEF SET PRESSURE

BUILDUP OVER RELIEF SET PRESSURE

1-Inch w.c.(2,5 mbar)

3-Inches w.c.(7 mbar)


0.25 Psig(17 mbar)

0.5 Psig(34 mbar)

0.75 Psig(52 mbar)

1 Psig(69 mbar)

1.5 Psig(103 mbar)

2 Psig(138 mbar)

3 Psig(207 mbar)

2 (50)

1D7654000A2 5-inches w.c. (12 mbar)2604 (70)

6707(1)(180)

7496(201)

7890(211)

9863(264) ... ... ... ... ...

1D7655000A2 10-inches w.c. (25 mbar) ...5760(154)

8521(228)

9468(1)(254)

11 046(296)

12 072(324) ... ... ... ...

1D7656000A2 14 -inches w.c. (35 mbar) ... ...6470(173)

9074(243)

11 835(1)(317)

13 255(355)

14 597(391) ... ... ...

1D7657000A2 1 psig(69 mbar) ... ... ...6115(164)

13 176(353)

14 597(1)(391)

15 780(423)

18 936(507) ... ...

1D7658000A2 1.5 psig (103 mbar) ... ... ... ...11 835(317)

16 569(444)

18 936(1)(507)

20 514(550)

22 881(613) ...

1D9626000A2 2 psig(138 mbar) ... ... ... ... ...13 413(359)

18 147(486)

22 881(1)(613)

24 459(656)

27 615(740)

3 (80)

1D7707000A2 5-inches w.c. (12 mbar)4340(116)

14 597(1)(391)

15 780(423)

17 358(465)

21 303(571) ... ... ... ... ...

1D7708000A2 10-inches w.c. (25 mbar) ...9310(250)

16 964(455)

20 514(1)(550)

24 459(656)

26 826(719) ... ... ... ...

1D7657000A2 14-inches w.c. (35 mbar) ... ...9074(243)

13 808(370)

26 037(1)(698)

28 404(761)

31 560(846) ... ... ...

1D7658000A2 1 psig(69 mbar) ... ... ...11 835(317)

22 881(613)

32 349(2)(867)

36 294(973)

41 028(1100) ... ...

1D7709000A2 1.5 psig (103 mbar) ... ... ... ...14 202(381)

23 670(634)

34 716(930)

44 973(2)(1205)

48 918(1311) ...

1E2044000A2 2 psig(138 mbar) ... ... ... ... ...21 303(571)

30 771(825)

47 340(1269)

52 863(2)(1417)

59 964(1607)

4 (100)

1D7710000A2 5-inches w.c. (12 mbar)8127(218)

22 092(2)(592)

25 248(677)

26 826(719)

32 349(867) ... ... ... ... ...

1D7711000A2 10-inches w.c. (25 mbar) ...17 358(465)

28 404(761)

30 771(2)(825)

36 294(973)

41 028(1100) ... ... ... ...

1D5276000A2 14-inches w.c. (35 mbar) ... ...18 936(507)

27 615(740)

39 450(2)(1057)

43 395(1163)

48 129(1290) ... ... ...

1D7712000A2 1 psig(69 mbar) ... ... ...16 569(444)

39 450(1057)

51 285(2)(1374)

55 230(1480)

61 542(1649) ... ...

1D7713000A2 1.5 psig (103 mbar) ... ... ... ...28 404(761)

47 340(1269)

61 542(1649)

67 854(2)(1818)

74 955(2009) ...

1E2045000A2 2 psig(138 mbar) ... ... ... ... ...31 560(846)

47 340(1269)

71 010(1903)

80 478(2)(2157)

90 735(2432)

1. Valve wide-open

Figure 6. Vapor Recovery InstallationA2562

GAS TO RECOVERY

VACUUM PUMP

CONTROL LINE

TANK


374


Table 7. Selected Type 66RR Relief Capacities in SCFH (Nm3/h) of 0.97 Specic Gravity Nitrogen

BODY SIZE, INCHES

(DN)

TYPE Y695RR PILOT

CONTROL SPRING

RELIEF SET PRESSURE

BUILDUP OVER RELIEF SET PRESSURE

1-Inch w.c.(2,5 mbar)



0.25 Psig(17 mbar)

0.5 Psig(34 mbar)

0.75 Psig(52 mbar)

1 Psig(69 mbar)

1.5 Psig(103 mbar)

2 Psig(138 mbar)

3 Psig(207 mbar)

2 (50)

Red 5-inches w.c. (12 mbar)4892(1)(131)

5760(154)

6509(174)

7101(190)

9152(245) ... ... ... ... ...

Olive Drab 10-inches w.c. (25 mbar)6904(1)(185)

7535(202)

8048(216)

8521(228)

10 257(275)

11 914(319) ... ... ... ...

Yellow 14 -inches w.c. (35 mbar)8127(1)(218)

8758(235)

9231(247)

9784(262)

11 283(302)

12 703(340)

14 123(378) ... ... ...

Light green 1 psig(69 mbar)11 362(1)

(305)11 993(321)

12 387(332)

12 703(340)

13 965(374)

15 149(406)

16 253(436)

18 305(491) ... ...

Light green 1.5 psig (103 mbar) ...14 202(1)

(381)14 597(391)

14 991(402)

16 175(433)

17 358(465)

18 542(497)

20 514(550)

22 092(592) ...

Light blue 2 psig(138 mbar) ...15 780(1)

(423)16 175(433)

16 569(444)

17 753(476)

18 936(507)

20 120(539)

22 092(592)

23 670(634)

26 037(698)

3 (80)

Red 5-inches w.c. (12 mbar)12 387(1)

(332)14 675(393)

16 727(448)

18 147(486)

23 197(662) ... ... ... ... ...

Olive Drab 10-inches w.c. (25 mbar)17 910(1)

(480)19 567(524)

20 987(562)

22 408(601)

26 826(719)

30 534(818) ... ... ... ...

Yellow 14-inches w.c. (35 mbar)20 593(1)

(552)22 250(596)

23 433(628)

24 854(666)

28 720(770)

33 138(888)

35 900(962) ... ... ...

Light green 1 psig(69 mbar)28 088(1)

(753)29 351(787)

30 140(808)

31 402(842)

34 716(930)

37 872(1015)

40 634(1089)

46 393(1243) ... ...

Light green 1.5 psig (103 mbar) ...35 505(1)

(952)36 294(973)

37 241(998)

39 450(1057)

42 606(1142)

44 184(1184)

47 261(1267)

48 918(1311) ...

Light blue 2 psig(138 mbar) ...40 239(1)(1078)

41 028(1100)

42 054(1127)

44 184(1184)

46 946(1258)

48 918(1311)

50 496(1353)

52 074(1396)

56 808(1522)

4 (100)

Red 5-inches w.c. (12 mbar)20 120(1)

(539)23 670(634)

26 510(710)

29 114(780)

35 821(960) ... ... ... ... ...

Olive Drab 10-inches w.c. (25 mbar)27 694(1)

(742)30 140(808)

32 586(873)

34 558(926)

41 501(1112)

47 182(1264) ... ... ... ...

Yellow 14-inches w.c. (35 mbar)32 586(1)

(873)34 558(926)

36 689(983)

38 661(1036)

44 736(1199)

52 469(1406)

55 703(1493) ... ... ...

Light green 1 psig(69 mbar)45 289(1)(1214)

46 788(1254)

48 918(1311)

49 865(1336)

51 285(1374)

53 415(1432)

61 384(1645)

71 010(1903) ... ...

Light green 1.5 psig (103 mbar) ...50 812(1)(1362)

52 784(1415)

53 573(1436)

54 836(1470)

56 808(1522)

67 854(1818)

73 377(1967)

74 744(2030) ...

Light blue 2 psig(138 mbar) ...54 836(1)(1470)

56 808(1522)

57 597(1544)

58 859(1577)

60 753(1628)

71 010(1903)

74 955(2009)

78 900(2115)

86 790(2326)

1. Valve wide-open.

Figure 6. Type 66RR Operational Schematic

INLET PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSURELOADING PRESSURE

A2559_A


375


Table 8. Dimensions


DIMENSIONS, INCHES (mm)

A C

D(Type 66R

Only)

E

F(Type 66RR

Only)

G

Screwed Cast Iron

Body

Screwed Steel Body

125 FF Cast Iron or 150 RF Steel or Stainless Steel Body

Type 66R Type 66RR Type 66R Type 66RR Screwed Steel Body All Others

2 (50)3 (80)

4 (100)

7.25 (184)- - -- - -

9.25 (235)- - -- - -

10.00 (254)11.75 (298)13.88 (352)

13.88 (352)16.00 (406)18.00 (457)

22.12 (562)24.19 (614)25.94 (659)

4.50 (114)5.50 (140)6.25 (159)

11.75 (298)13.00 (330)15.88 (403)

12.69 (322)14.12 (358)15.25 (387)

15.19 (386)16.19 (411)16.94 (430)

3.31 (84)- - -- - -

3.25 (83)4.62 (117)5.38 (137)

TYPE 66R TYPE 66RR WITH TYPE Y695RR PILOT

Figure 6. Dimensions

Table 9. Shipping Weights

BODY SIZE,INCHES (DN) END CONNECTION STYLE

APPROXIMATE SHIPPING WEIGHTS, POUNDS (kg)

Type 66R Type 66RR

2 (50)Screwed 50 (23) 65 (29)

Flanged 55 (25) 70 (32)

3 (80) Flanged 100 (45) 115 (52)

4 (100) Flanged 155 (70) 170 (77)

INCHES(mm)

1/2-INCH NPT CONTROL LINE CONNECTION

1/4-INCH NPT VENT

PILOT EXHAUST

3.69(94)

F

D

E

G

A/2

A

C

3/4-INCH NPT CONTROL LINE CONNECTION (WHEN USED)

C

E

G

A/2

A

B1410


376


Type (Select One) Type 66R, maximum inlet pressure: 8 psig (0,55 bar) Type 66RR, maximum inlet pressure: 10 psig (0,69 bar)

Body Size (Select One) 2-inch (DN 50) 3-inch (DN 80) 4-inch (DN 100)

Body Material and End Connection Style (Select One)Cast Iron NPT - 2-inch (DN 50) only*** 125 FF***

Steel Stainless Steel NPT - 2-inch (DN 50) only** NPT - 2-inch (DN 50) only* 150 RF** 150 RF* 300 RF** 300 RF* PN 16/25/40** PN 16/25/40*

Main Valve Diaphragm Case Material (Select One) Steel*** S30400 Stainless steel**

Main Valve Diaphragm, Valve Plug, and O-Ring (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)**

Optional PTFE Diaphragm Protector (Select) Yes***

Main Valve Trim Material (Select One) Steel*** S30400 Stainless steel*

Pilot Body Material (Select One for Type 66RR Only) Cast iron*** CF8M Stainless steel*

Ordering Guide

Vapor Recovery Specication Worksheet

Application Specications:Tank Capacity Pump In Rate Pump Out Rate Blanketing Gas (Type and Specic Gravity) Boiling and Flash Point of Stored Material

Pressure Requirements:Control Pressure Setting Downstream Pressure Maximum Flow (Qmax)

Buildup Limitations: 0.25-inches w.c. (0,6 mbar) 0.50-inches w.c. (1 mbar) 1-inch w.c. (2 mbar) 2-inches w.c. (5 mbar) Other

Other Specications:Is a tank blanketing regulator required? Yes No Special Material Requirements: Ductile Iron Steel Stainless Steel Hastelloy C OtherOther Requirements:

Fisher Regulators Quick Order Guide* * * Standard - Readily Available for Shipment

* * Non-Standard - Allow Additional Time for Shipment

* Special Order, Constructed from Non-Stocked Parts. Consult your Local Sales Ofce for Availability.

Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction.

To order this product, complete this page or complete the Specication Worksheet and forward to your local Sales Ofce.

If the construction you need is not offered on this page, contact your local Sales Ofce.

To locate your local Sales Ofce, log on to: www.FISHERregulators.com

Pilot Diaphragm and Disk (Select One for Type 66RR Only) Nitrile (NBR)*** Fluoroelastomer (FKM)**

Pilot Orice and Disk Holder (Select One for Type 66RR Only) Brass*** S30200 Stainless steel**

Set Pressure Range (Select One)Type 66R 2 to 8-inches w.c. (5 to 20 mbar)*** 6 to 16-inches w.c. (15 to 40 mbar)*** 11-inches w.c. to 1 psig (27 to 69 mbar)*** 0.75 to 1.5 psig (52 to 103 mbar)*** 1 to 2 psig (69 to 138 mbar)*** 1.5 to 3 psig (103 to 207 mbar)***

Type 66RR 4 to 9-inches w.c. (10 to 22 mbar)*** 5 to 15-inches w.c. (12 to 37 mbar)*** 12 to 28-inches w.c. (30 to 70 mbar)*** 0.9 to 2.5 psig (62 to 170 mbar)*** 1.3 to 4.5 psig (90 to 310 mbar)*** 3.8 to 7 psig (260 to 480 mbar)

Replacement Parts Kit (Optional) Yes, send one replacement parts kit to match this order.

Type 1190 Tank Blanketing Valve

377


Figure 1. Type 1190 Tank Blanketing Valve

W74281

Table 1. Body Sizes and End Connection Styles


END CONNECTION STYLE

Cast Iron WCC Steel or CF8M Stainless Steel

1, 2 (25, 50) NPT, ANSI Class 125 FF, or 250 RF anged

NPT, SWE, BWE, ANSI Class 150 RF, 300 RF, 600 RF, or

PN 16/25/40 anged

3, 4, 6, 8 x 6 (80, 100, 150, 200)

ANSI Class 125 FF or 250 RF anged

BWE, ANSI Class 150 RF, 300 RF, 600 RF, or PN 16/25/40 anged

IntroductionThe Type 1190 low pressure tank blanketing valve is used for extremely accurate pressure control on very low pressure blanketing systems. The regulator helps to control vapor space pressure and provides protection against any contamination from atmosphere. The Type 1190 gas blanketing regulator maintains a positive vessel pressure during pumpout operations.

A Type 1190 low pressure tank blanketing valve reduces a high pressure gas, such as nitrogen, to maintain a protective environment above any liquid stored in a tank or vessel while the liquid is being pumped out. Also, when the vessel cools suddenly, causing the vapor pressure inside the vessel to decrease, the gas blanketing regulator replaces the vapor pressure with a blanketing gas to prevent the internal vessel pressure from decreasing. In both cases, a slight positive vessel pressure prevents outside air, moisture, and other contaminants from entering the vessel.


Pressure RegistrationExternal

Differential Pressures20 psig (1,38 bar) minimumLower available on request

Maximum Inlet Pressure200 psig (13,8 bar); or 300 psig (20,7 bar) with a steel or stainless steel body Type 95H supply regulator

Maximum Outlet (Casing) Pressure75 psig (5,2 bar)

Outlet Pressure Ranges1/4-inch w.c. to 7 psig (0,6 mbar to 0,48 bar) in seven ranges

Temperature CapabilitiesNitrile: -40 to 180F (-40 to 82C)Fluoroelastomer (FKM): 40 to 300F (4 to 149C)Ethylenepropylene (EPDM): -40 to 275F (-40 to 135C)Peruoroelastomer (FFKM): -20 to 300F (-29 to 149C)

Additional Technical DataFor more technical information, contact your local Sales Ofce or refer to the product Bulletin 74.1:1190. To locate product literature or your local Sales Ofce, log on to: www.FISHERregulators.com

Features

Quick-Change Trim Package Easy In-Line Maintenance Factory-Piped Pilot Supply 1/4-Inch w.c. (0,6 mbar) Setpoint Whisper Trim Cage In-Service Travel Inspection


378


Table 2. Construction Materials(1)

BODY AND BODY FLANGE

PLUG AND SEAT RING SPRING

SIZE 40 ACTUATOR CAGE PILOT

SUPPLY REGULATOR DIAPHRAGMS O-RINGS AND SEALS

Cast iron S41600 Stainless steel Steel Steel Stainless steel Ductile iron Cast iron

Nitrile (NBR), Fluoroelastomer (FKM), or Ethylenepropylene (EPDM)

Nitrile (NBR), Fluoroelastomer (FKM),

Ethylenepropylene (EPDM), or Peruoroelastomer (FFKM)

WCC Steel S41600 Stainless steel Steel Steel Stainless SteelCF8M

Stainless steel WCC Steel

CF8M Stainless steel

S31600 Stainless steel Inconel X750 Stainless steel Stainless Steel



1. Fisher offers special construction materials for system compatibility. Contact your Local Sales Ofce for additional information.

Figure 2. Operational Schematic

INLET PRESSURELOADING PRESSUREPILOT SUPPLY PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSURE

E0401


379


Table 5. Capacities

INLET PRESSURE,PSIG (bar)

OUTLET PRESSURE,PSIG (bar)

CAPACITIES IN SCFH (Nm3/h) OF 0.97 SPECIFIC GRAVITY NITROGEN

1-Inch (DN 25) Body 2-Inch (DN 50) Body 3-Inch (DN 80) Body 4-Inch (DN 100) Body 6-Inch (DN 150) Body

30 (2,1) 4 (0,28 ) or less 27,300 (732) 103,900 (2785) 204,000 (5467) 322,000 (8630) 580,000 (15,544)

40 (2,8)50 (3,4)60 (4,1)70 (4,8)80 (5,5)90 (6,2)

7 (0,48 ) or less

33,300 39,400 45,500 51,600 57,700 64,000

(892) (1056) (1219) (1383) (1546) (1715)

126,600 149,800 173,000 196,000 220,000 243,000

(3393) (4015)(4636) (5253) (5896)(6512)

257,000 304,000 351,000 398,000 444,900 491,900

(6888)(8147)(9407) (10,666) (11,923) (13,183)

406,300 480,600 554,900 629,200 703,500 777,800

(10,889) (12,880) (14,871) (16,863) (18,854) (20,845)

716,100 847,100 978,000

1,108,900 1,239,900 1,370,800

(19,191)(22,702) (26,210) (29,719) (33,229) (36,737)

100 (6,9)120 (8,3)140 (9,6)

160 (11,0)180 (12,4)200 (13,8)

7 (0,48 ) or less

70,100 82,300 94,500

107,000119,000 131,000

(1879) (2206) (2533) (2868) (3189) (3511)

266,000 312,000 359,000 406,000 452,000 490,000

(7129) (8362)(9621)(10,881) (12,114) (13,132)

538,900 632,900 726,900 820,900 914,800

1,008,800

(14,443)(16,962) (19,481) (22,000)(24,517)(27,036)

852,100 1,000,600 1,149,200 1,297,800 1,446,400 1,595,000

(22,836) (26,816) (30,799) (34,781) (38,764) (42,746)

1,501,700 1,763,600 2,025,400 2,287,347 2,549,200 2,811,000

(40,246)(47,264) (54,281) (61,301) (68,319) (75,335)

Table 4. Flow Coefcients

BODY SIZE, INCHES (DN)

PIPING STYLE

Line Size Equals Body Size Piping

Standard Linear Cage Whisper Trim Cage

Cg CvC1

Cg CvC1

Regulating Wide Open Regulating Wide Open Regulating Wide Open Regulating Wide Open

1 (25) 600 632 16.8 17.7 35.7 576 607 16.7 17.6 34.5

2 (50) 2280 2400 63.3 66.7 36.0 1970 2080 54 57 36.0

3 (80) 4630 4880 132 139 35.1 3760 3960 107 113 35.0

4 (100) 7320 7710 202 213 36.2 6280 6610 180 190 34.8

6 (150) 12,900 13,600 397 418 32.5 9450 9950 395 310 32.0

8x6 (200) 15,100 15,900 645 679 23.4 11,100 11,700 475 500 23.4


2:1 Line Size to Body Size Piping


Cg CvC1

Cg CvC1


1 (25) 568 598 17.2 18.1 33.0 529 557 15.6 16.4 34.0

2 (50) 2050 2160 59.6 62.8 34.4 1830 1930 52 55 35.0

3 (80) 4410 4650 128 135 34.4 3630 3830 106 110 34.2

4 (100) 6940 7310 198 209 35.0 6020 6340 171 180 35.2

6 (150) 12,100 12,800 390 404 31.7 9240 9730 291 306 31.7

8x6 (200) not applicable.

Table 3. Outlet Pressure Ranges (Type Y191A Pilot)

OUTLET PRESSURE RANGE(1)

SPRING PART NUMBER

SPRING COLOR

SPRING WIRE DIAMETER

INCHES (CM)

SPRING FREE LENGTH INCHES (cm)

0.25 to 2.5-inches w.c. 2 to 7-inches w.c.

5 to 16-inches w.c.

(0,6 to 6 mbar)(2) (5 to 17 mbar)(2) (12 to 40 mbar)

1B558527052 1B653827052 1B653927022

Orange Red

Unpainted

0.072 0.085 0.105

(0,183) (0,216) (0,267)

3.780 3.625 3.750

(9,60) (9,21) (9,53)

0.5 to 1.2 psig 1.1 to 2.5 psig 2.5 to 4.5 psig 4.5 to 7.0 psig

(0,034 to 0,09 bar) (0,08 to 0,17 bar) (0,17 to 0,31 bar) (0,31 to 0,48 bar)

1B537027052 1B537127022 1B537227022 1B537327052

Yellow Green

Light Blue Black

0.114 0.156 0.187 0.218

(0,290) (0,396) (0,475) (0,554)

4.188 4.060 3.938 3.980

(10,6) (10,3) (10,0) (10,1)

1. Outlet pressure ranges based on pilot being installed with the spring case pointed down. 2. Do not use uoroelastomer (FKM) diaphragm with this spring at diaphragm temperatures lower than 60F (16C).


380


Table 6. Dimensions and Shipping Weights

MAIN VALVE BODY SIZE,INCHES (DN)

DIMENSIONS, INCHES (mm)APPROXIMATE

SHIPPING WEIGHT,

POUNDS (kg)

A

D G Z A/RNPT Screwed

125 FF Cast Iron, or 150 RF Steel or

Stainless Steel

250 RF Cast Iron, or 300 RF Steel or

Stainless Steel

1 (25)2 (50)3 (80)

4 (100)6 (150)

8.25 (210)11.25 (286)

- - -- - -- - -

7.25 (184)10.00 (254)11.75 (298)13.88 (353)17.75 (451)

7.75 (197)10.50 (267)12.50 (318)14.50 (368)18.62 (473)

3.88 (98)4.56 (116)5.31 (135)6.50 (165)7.25 (184)

8.62 (219)9.12 (232)

11.25 (286)12.62 (321)13.69 (348)

11.38 (289)12.62 (321)16.25 (413)18.88 (480)20.00 (508)

3.00 (76)3.12 (79)3.88 (98)

5.12 (130)6.38 (162)

85 (39)100 (45)145 (66)195 (88)

380 (172)

A/2

A

D

G

8.19 (208)

A/R

Y191A PILOT ACTUATOR

REMOVALCLEARANCE

16.06 (408)

13.12 (333)

Z

95H

CAPREMOVALCLEARANCE

3/4-INCH NPTDOWNSTREAM CONTROL CONNECTION

SIZE 40ACTUATOR

INCHES(mm)


B2416


381


Ordering Guide

- continued -

Type EGR (continued)Main Valve Spring Range (Select One) 60 psig (4,1 bar) maximum drop, green** 125 psig (8,6 bar) maximum drop, blue*** 300 psig (21 bar) maximum drop, red***

Main Valve Spring Material (Select One) Steel*** Inconel X750, NACE***

O-Ring and Seal Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Type Y191A PilotBody Material (Select One) Ductile Iron*** Stainless Steel, NACE*** Other*

Diaphragm and Spring Case Material (Select One) Ductile Iron*** Stainless Steel***

Outlet Pressure Range (Select One) 0.25 to 2-inches w.c. (0,6 to 5 mbar)*** 2 to 5-inches w.c. (5 to 12 mbar)*** 4 to 15-inches w.c. (10 to 37 mbar)*** 0.5 to 1.3 psig (0,034 to 0,09 bar)*** 1.3 to 2.5 psig (0,09 to 0,17 bar)*** 2.5 to 5.5 psig (0,17 to 0,38 bar)*** 5.5 to 7 psig (0,38 to 0,48 bar)***

Diaphragm Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)** Nitrile with PTFE diaphragm protector**

O-Ring and Seal Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)** Ethylenepropylene (EPDM)** Peruoroelastomer (FFKM)*

Type EGR Main ValveMain Valve Body Size (Select One) 1-inch (DN 25)*** 2-inch (DN 50)*** 3-inch (DN 80)*** 4-inch (DN 100)*** 6-inch (DN 150)** 8 x 6-inch (DN 200)*

Main Valve Body Material (Select One) Cast Iron*** WCB Steel*** CF8M Stainless steel (NACE)*** Other* ______________________________________

Main Valve End Connection Style (Select One)Cast Iron Body

NPT Screwed (Only available for 1-inch or 2-inch (DN 25 or 50) body)*** 125 FF*** 250 RF***

WCC Steel, CF8M Stainless Steel, or Other Body

NPT Screwed (Only available for 1-inch or 2-inch (DN 25 or 50) body)*** SWE* 150RF*** 300RF*** 600RF** BWE 40** BWE 80* PN 16/25/40** __________ please specify rating

Main Valve Body Flange Material (Select One) Cast Iron*** WCC Steel*** CF8M Stainless Steel (NACE)**

Travel Stop (Select One) 100 percent (standard)*** 60 percent** 30 percent**

Main Valve Cage Type and Material (Select One) Linear, CF8M Stainless steel, NACE*** Whisper Trim, S41600 stainless steel*** Whisper Trim, S31600 stainless steel, NACE***


382


Tank Blanketing Specication Worksheet

Application Specications:Tank CapacityPump In RatePump Out RateBlanketing Gas (Type and Specic Gravity)Conservation Vent Setpoint

Pressure Requirements:Maximum Inlet Pressure (P1max)Minimum Inlet Pressure (P1min)Control Pressure Setting (P2)Maximum Flow (Qmax)

Accuracy Requirements:

Other Specications:Is a vapor recovery regulator required? Special Material Requirements:

Other Requirements:

1/4-inches w.c. (0,6 mbar)1 inch w.c. (2 mbar)

1/2-inches w.c. (1mbar)2 inch w.c. (5 mbar)

Others

Stainless Steel Hastelloy C Other

Yes NoDuctile Iron Steel

Ordering Guide (continued)Type 95H (continued)Spring Case Material (Select One) Cast Iron*** Steel*** Stainless Steel***

Valve Plug Material (Select One) S41600 Stainless Steel with Nitrile (NBR)*** S41600 Stainless Steel with Fluoroelastomer (FKM)*** S31600 Stainless Steel with Neoprene (CR) (NACE)**

Outlet Pressure Range (Select One) 5 to 20 psig (0,34 to 1,4 bar), yellow***

Diaphragm Material (Select One) Neoprene (CR)*** Fluoroelastomer (FKM)***

Parts KitReplacement Parts Kit (Optional) Yes, send one replacement parts kit to match this order for each unit.

Quick-Change Trim Package (Optional) Yes, send one main valve Quick-Change Trim Package to match this order.



* Special Order, Constructed from Non-Stocked Parts. ConsultYour Local Sales Ofce for Availability.





Type Y191A Pilot (continued)Closing Cap Material (Select One) Plastic*** Stainless Steel**

NACE Required (Select for NACE) Yes***

Type 1098 ActuatorLower Diaphragm Case Material (Select One) Steel*** Stainless Steel, NACE***

Bonnet Material (Select One) Steel*** Stainless Steel, NACE***

O-Ring Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Diaphragm Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Type 95H Supply Pressure RegulatorBody Material (Select One) Cast Iron*** Steel*** Stainless Steel, NACE***

Type 1290 Vapor Recovery Valve

383


IntroductionThe Type 1290 vapor recovery regulator controls vessel blanketing gas pressure when the vessel is being lled with uid or when ambient temperature causes the vapor gas to expand. The system monitors the increasing tank pressure and throttles open to pass excess blanketing gas into a vapor disposal or reclamation system thus controlling the desired set pressure of the vessel.

The vapor recovery regulator is not intended to be used as an ASME certied relief device for overpressure protection. It is to be used as part of the gas blanketing system to control the outow of blanketing gas under normal conditions and to collect vessel vapors for the vapor disposal or reclamation system. You should provide alternate methods of emergency overpressure protection per the American Petroleum Institute Standard 2000 (API 2000).


Flow CoefcientsSee Table 4

Maximum Inlet Pressure60 psig (4,2 bar)

Maximum Outlet (Casing) Pressure60 psig (4,2 bar)

Outlet Pressure Ranges1/2-inch w.c. to 7-psig (1,2 mbar to 0,48 bar) in eight rangesSee Table 3

Temperature CapabilitiesNitrile (NBR): -20 to 180F (-29 to 82C)Fluoroelastomer (FKM):40 to 300F (4 to 149C)Ethylenepropylene (EPDM):-20 to 275F (-29 to 135C)Peruoroelastomer (FFKM):-20 to 300F (-29 to 149C)


Additional Technical DataFor more technical information, contact your local Sales Ofce or refer to the product Bulletin 74.2:1290. To locate product literature or your local Sales Ofce, log on to: www.FISHERregulators.com

Figure 1. Type 1290 Vapor Recovery Valve

W74271-1

Table 1. Body Sizes and End ConnectionsBODY SIZE, INCHES (DN) MATERIAL

END CONNECTION STYLE

1 or 2 (25 or 50)

Cast iron NPT Screwed

WCC Steel or Stainless steel

NPT Screwed, SWE, or PN 16/25/40

2, 3, 4 or 6 (50, 80, 100, or 150) Cast iron

ANSI Class 125 FF or 250 RF anged

2, 3, 4, 6 or 8 x 6 (50, 80, 100, 150 or 200)

WCC Steel or Stainless steel

ANSI Class 150, 300, or 600 RF anged, BWE, or

PN 16/25/40

Table 2. Construction Materials (1)

BODY AND BODY FLANGE

PLUG AND SEAT RING SPRING

SIZE 40 ACTUATOR CAGE PILOT

SUPPLY REGULATOR DIAPHRAGMS O-RINGS AND SEALS

Cast iron S41600 Stainless steel Steel Steel Stainless steel Ductile iron Cast ironNitrile,

Fluoroelastomer (FKM), or Ethylenepropylene

(EPDM)

Nitrile, Fluoroelastomer (FKM),

Ethylenepropylene (EPDM), or

Peruoroelastomer (FFKM)

WCC Steel S41600 Stainless steel Steel Steel Stainless steel Ductile iron WCC Steel


S31600 Stainless steel Inconel X750 Stainless steel Stainless steel



1. Fisher offers special construction materials for system compatibility. Contact your local Sales Ofce for additional information.

Features

Quick-Change Trim Package Easy In-Line Maintenance High Accuracy Proven Technology Setpoints as Low as 1/2-Inch w.c. (1,2 mbar) Whisper Trim Cage In-Service Travel Inspection


384


E0063

Figure 2. Type 1290 Operational Schematic

VACUUM OR OUTLET PRESSURE

PILOT SUPPLY PRESSURE

TANK PRESSURE (CONTROL)

LOADING PRESSURE

ATMOSPHERIC PRESSURE

Table 3. Outlet (Control) Pressure RangesPILOT TYPE

OUTLET PRESSURE RANGES(1)

BUILDUP TO WIDE-OPEN

SPRING COLOR

SPRING PART NUMBER

SPRING WIRE DIAMETER, INCH (mm)

FREE LENGTH, INCH (mm)

Y291AL 0.5 to 1.5-inches w.c. (1,2 to 3,7 mbar) (2) 0.25-inches w.c. (0,6 mbar) Black 1B413627222 0.075 (1,9) 2.19 (55)

Y291A

1 to 2.5 inches w.c. 2 to 7-inches w.c.

4 to 14-inches w.c. 12 to 28-inches w.c.

1.0 to 2.5 psig 2.5 to 4.5 psig

4.5 to 7 psig

(2,5 to 6 mbar)(2)(3) (5 to 17 mbar)(2)(4) (10 to 35 mbar) (30 to 70 mbar) (0,069 to 0,17 bar) (0,17 to 0,31 bar) (0,31 to 0,48 bar)

0.25-inches w.c. 0.25-inches w.c. 0.25-inches w.c.

0.05 psig 0.10 psig 0.15 psig 0.20 psig

(0,6 mbar) (0,6 mbar) (0,6 mbar) (3,4 mbar) (6,9 mbar) (10 mbar) (14 mbar)

Orange Red

Olive Drab Yellow

Light Green Light Blue

Black

1B558527052 1B653827052 1B543927022 1B537027052 1B537127022 1B537227022 1B537327052

0.072 0.085 0.105 0.144 0.156 0.187 0.218

(1,8) (2,2) (2,7) (2,9) (4,0) (4,8) (5,5)

3.78 3.63 3.75 4.19 4.06 3.94 3.98

(96) (92) (95) (106) (103) (100) (101)

1. Spring ranges based on pilot being installed with the spring case pointed down. 2. Do not use uoroelastomer (FKM) diaphragm with this spring at diaphragm temperatures lower than 60 F (16 C). 3. When using a uoroelastomer diaphragm, the minimum outlet pressure is 2-inches w.c. (5 mbar). 4. When using a uoroelastomer diaphragm, the minimum outlet pressure is 2-1/2-inches w.c. (6 mbar).


385


Table 5. Capacities

PILOT TYPE

PILOT SPRINGCOLOR

SET PRESSURE

BUILDUP OVER SET PRESSURE TO

WIDE-OPEN(1)

DOWNSTREAM VACUUM

PRESSURE PSIG (BAR)

CAPACITIES IN SCFH (Nm3/h) OF 0.97 SPECIFIC GRAVITY NITROGEN

1-Inch (DN 25) Body

2-Inch (DN 50) Body

3-Inch (DN 80) Body

4-Inch (DN 100) Body

6-Inch (DN 150) Body

Y291AL Black 1/2-inches w.c. (1,2 mbar)1/4-inches w.c.

(0,6 mbar)

0 -2.5

-5

(0)(0,17)(0,35)

600 (16,1)5600 (150)7300 (196)

2300 (61,6)19 900 (533)25 800 (691)

4900 (131)43 100 (1155)55 700 (1493)

7600 (204)66 900 (1793)86 700 (2324)

14 600 (391)124 500 (3337)160 600 (4304)

Y291A

Orange

1.0-inch w.c. (2,5 mbar)

1/4-inches w.c. (0,6 mbar)

0 -2.5

-5

(0)(0,17)(0,35)

700 (18,8)5700 (153)7400 (198)

2700 (72,4)10 000 (268)25 900 (694)

5900 (158)43 200 (1158)55 800 (1495)

9200 (247)67 000 (1796)86 800 (2326)

17 700 (474)126 700 (3396)160 800 (4309)

2.0-inches w.c. (5 mbar)


0 -2.5

-5

(0)(0,17)(0,35)

1100 (29,5)5800 (155)7400 (198)

3900 (105)20 200 (541)26 000 (697)

8400 (225)43 500 (1166)56 000 (1501)

13 000 (348)67 600 (1812)87 200 (2337)

25 000 (670)127 700 (3422)161 500 (4328)

Olive drab



0 -2.5

-5

(0)(0,17)(0,35)

1500 (40,2)5800 (155)7500 (201)

5300 (142)20 500 (549)26 300 (705)

11 500 (308)44 100 (1182)56 600 (1517)

17 800 (477)68 500 (1836)88 100 (2361)

34 200 (917)129 400 (3468)162 200 (4347)



0 -2.5

-5

(0)(0,17)(0,35)

2100 (56,3)6000 (161)7600 (204)

7400 (198)21 000 (563)26 800 (718)

16 000 (429)45 300 (1214)57 700 (1546)

24 800 (665)70 400 (1887)89 800 (2407)

47 600 (1276)132 800 (3559)166 200 (4454)

15-inches w.c. (38 mbar)


0 -2.5

-5

(0)(0,17)(0,35)

2900 (77,7)6300 (169)7900 (212)

10 100 (271)22 000 (590)27 800 (745)

21 800 (584)47 400 (1270)59 800 (1603)

33 800 (906)73 600 (1972)93 100 (2495)

64 900 (1739)138 700 (3717)172 400 (4620)

Yellow 1.0 psig (0,069 bar)0.05 psig

(3,4 mbar)

0 -2.5

-5

(0)(0,17)(0,35)

4000 (107)6800 (182)8100 (217)

14 100 (378)23 900 (641)28 700 (769)

30 500 (817)51 400 (1378)61 800 (1656)

47 200 (1265)79 900 (2141)96 200 (2578)

90 300 (2420)150 100 (4023)177 200 (4749)

Light blue

3.0 psig (0,21 bar)

0.15 psig (10,3 mbar)

0 -2.5

-5

(0)(0,17)(0,35))

7000 (188)8700 (233)9600 (257)

24 700 (662)30 600 (820)34 100 (914)

53 200 (1426)66 000 (1769)73 400 (1967)

82 500 (2211)102 700 (2752)114 600 (3071)

155 800 (4175)190 700 (5111)209 100 (5604)

5.0 psig (0,35 bar)

0.15 psig (10,3 mbar)

0 -2.5

-5

(0)(0,17)(0,35)

9100 (244)10 200 (273)11 000 (295)

31 900 (855)36 300 (973)

39 000 (1045)

68 600 (1838)78 100 (2093)83 900 (2249)

106 700 (2860)121 600 (3259)131 000 (3511)

199 500 (5347)224 000 (6003)327 400 (8774)

Black 7.0 psig (0,48 bar)0.20 psig

(14,0 mbar)

0 -2.5

-5

(0)(0,17)(0,35)

10 800 (289)11 700 (314)12 300 (330)

38 200 (1024)41 600 (1115)43 800 (1174)

82 200 (2203)89 500 (2399)94 200 (2525)

127 900 (3428)139 700 (3744)147 300 (3948)

237 100 (6354)255 300 (6842)265 100 (7105)

1. Increased capacity is available at higher buildups.

Table 4. Flow Coefcients


PIPING STYLE

Line Size Equals Body Size Piping


Cg CvC1

Cg CvC1


1 (25) 600 632 16.8 17.7 35.7 576 607 16.7 17.6 34.5

2 (50) 2280 2400 63.3 66.7 36.0 1970 2080 54 57 36.0

3 (80) 4630 4880 132 139 35.1 3760 3960 107 113 35.0

4 (100) 7320 7710 202 213 36.2 6280 6610 180 190 34.8

6 (150) 12,900 13,600 397 418 32.5 9450 9950 295 310 32.0

8x6 (200) 17,800 18,700 556 584 32 10,500 11,000 300 314 35


2:1 Line Size to Body Size Piping


Cg CvC1

Cg CvC1


1 (25) 568 598 17.2 18.1 33.0 529 557 15.6 16.4 34.0

2 (50) 2050 2160 59.6 62.8 34.4 1830 1930 52 55 35.0

3 (80) 4410 4650 128 135 34.4 3630 3830 106 110 34.2

4 (100) 6940 7310 198 209 35.0 6020 6340 171 180 35.2

6 (150) 12,100 12,800 390 404 31.7 9240 9730 291 306 31.7

8 x 6 (200 17,100 18,000 534 562 32 10,270 10,760 293 307 35


386


B2442-1

A/2

A

G

D

11.56(294)

Y291AOR Y291AL

PILOT

1/2-INCH NPT CONTROL LINE CONNECTION

EXHAUST LINE(3/4-INCH NPT)

1/2-INCH NPT GAUGE TAP CONNECTION

16.06 (408)

13.12(333)

95HACTUATOR REMOVAL CLEARANCE

AR

SIZE 40 ACTUATOR

Z

TRIM REMOVAL CLEARANCE

INCHES(mm)


Table 6. Dimensions and Shipping Weights

MAIN VALVE BODY SIZE,

INCHES (DN)

DIMENSIONS, INCHES (mm)APPROXIMATE

SHIPPING WEIGHT,

POUNDS (kg)

A

D G

Z AR

NPT Screwed

125 FF Cast Iron, or 150 RF Steel or

Stainless Steel

250 FF Cast Iron, or 300 RF Steel

or Stainless SteelCast Iron

Stainless Steel or

Steel Cast Iron

Stainless Steel or

Steel

1 2 3 4 6

8 x 6

(25)(50)(80)(100)(150) (200)

8.25 11.25

- - -- - -- - - - - -

(210) (286) - - - - - - - - - - - -

7.25 10.00 11.7513.8817.75

29.0

(184) (254) (298) (353) (451) (737)

7.7510.5012.50 14.50 18.62

30.5

(197) (267) (317) (368) (473) (885)

3.884.56 5.316.507.25 9.76

(99) (116) (135) (165) (184) (248)

8.62 9.12

11.25 12.6213.69 15.02

(219) (232) (419) (486) (519) (514)

12.00 13.3116.5019.1220.44 20.25

(305) (338) (419) (486) (519) (514)

10.50 11.81 14.00 16.88 19.19 23.25

(267) (300) (356) (429) (487) (591)

3.003.123.885.126.38 6.62

(76) (79) (99) (130) (162) (168)

2.443.123.885.126.62 6.62

(62) (79) (99) (130) (168) (168)

85100145195380 740

(39) (45)(66)(88)(172)(336)


387


Ordering GuideType EGR Main ValveMain Valve Body Size (Select One) 1-inch (DN 25)*** 2-inch (DN 50)*** 3-inch (DN 80)*** 4-inch (DN 100)*** 6-inch (DN 150)** 8 x 6-inch (DN 200)*

Main Valve Body Material (Select One) Cast Iron*** WCC Steel*** CF8M Stainless steel (NACE)** Other* ______________________________________

Main Valve End Connection Style (Select One)Cast Iron Body

NPT Screwed (Only available for 1-inch or 2-inch (DN 25 or 50) body)*** 125FF*** 250RF***

WCC Steel, CF8M Stainless Steel, or Other Body

NPT Screwed (Only available for 1-inch or 2-inch (DN 25 or 50) body)*** SWE* 150RF*** 300RF*** 600RF* BWE 40** BWE 80* PN 16/25/40** __________ please specify rating

Main Valve Body Flange Material (Select One) Cast Iron*** WCC Steel*** CF8M Stainless Steel (NACE)**

Travel Stop/Restricted Trim (Select One) 100 percent (standard)*** 60 percent** 30 percent**

Main Valve Cage Type and Material (Select One) Linear, CF8M stainless steel, NACE*** Whisper Trim, S41600 stainless steel*** Whisper Trim, S31600 stainless steel, NACE***

Main Valve Spring Material (Select One) Steel*** Inconel X750, NACE ***

- continued -

Main Valve Spring Range (Select One) 60 psig (4,1 bar) maximum drop, green** 125 psig (8,6 bar) maximum drop, blue*** 300 psig (21 bar) maximum drop, red***

O-Ring and Seal Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Type 1098 ActuatorLower Diaphragm Case Material (Select One) Cast Iron Steel*** Stainless Steel, NACE***

Bonnet Material (Select One) Cast Iron Steel*** Stainless Steel, NACE ***

O-Ring Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Diaphragm Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)*** Ethylenepropylene (EPDM)**

Type 95H Supply Pressure RegulatorBody Material (Select One) Cast Iron*** Steel*** Stainless Steel, NACE ***

Spring Case Material (Select One) Cast Iron*** Steel*** Stainless Steel***

Valve Plug Material (Select One) S41600 Stainless Steel with Nitrile (NBR)*** S41600 Stainless Steel with Fluoroelastomer (FKM)*** S31600 Stainless Steel with Neoprene (CR) (NACE)**


388



Application Specications:Tank CapacityPump In RatePump Out RateBlanketing Gas (Type and Specic Gravity)Boiling and Flash Point of Stored Material




Other Requirements:



Others



Type 95H (continued)Diaphragm Material (Select One) Neoprene (CR)*** Fluoroelastomer (FKM)***

Type Y291A or Y291AL PilotBody, Spring Case Assembly, and Diaphragm Casing Material (Select One) Ductile Iron*** Stainless Steel*** Other* _________________

Outlet Pressure Range (Select One)

Type Y291AL

0.5 to 1.5-inches w.c. (1 to 4 mbar)***

Type Y291A

1.0 to 2.5-inches w.c. (2 to 6 mbar)*** 2 to 5-inches w.c. (5 to 12 mbar)*** 4 to 14-inches w.c. (10 to 35 mbar)*** 0.5 to 1.0 psig (0,034 to 0,07 bar) *** 1 to 2.5 psig (0,069 to 0,17 bar)*** 2.5 to 4.5 psig (0,17 to 0,31 bar)*** 4.5 to 7 psig (0,31 to 0,48 bar)***

Diaphragm Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)** Nitrile with PTFE diaphragm protector**

O-Ring and Seal Material (Select One) Nitrile (NBR)*** Fluoroelastomer (FKM)** Ethylenepropylene (EPDM)** Peruoroelastomer (FFKM)*

Closing Cap Material (Select One)Type Y291AL

Zinc

Type Y291A

Plastic*** Steel** Stainless Steel**

Vent Assembly (Select One) Spring Case Up (Y602-11)*** Spring Case Down (Y602-1)***

NACE Required (Select for NACE) Yes***

Parts KitsReplacement Parts Kit (Optional) Yes, send one replacement parts kit to match this order for each unit.

Quick-Change Trim Package (Optional) Yes, send one main valve Quick-Change Trim Package to match this order.

Ordering Guide (continued)








Type ACE95 Vapor Saver Tank Blanketing Valve

389


IntroductionThe Type ACE95 Vapor Saver is a pilot-operated valve used for accurate pressure control on low pressure blanketing systems. The unit is stainless steel, and actuated by a very large, 76-in2 (490 cm2), diaphragm actuator. Blanketing setpoint is controlled by a single adjusting screw.

The oversized actuator offers high sensitivity to changes in tank pressure, increasing accuracy. A rolling diaphragm is utilized to maintain a fully balanced main valve, ensuring extremely accurate operation under all conditions. Lockup is typically less than 0.3-inches w.c. (0,74 mbar). The main valve stroke is minimal to further insure accuracy and fast response.

End Connection Styles

1-inch (DN 25) NPT screwed, 150 threaded or weld neck anged, or sanitary anged.

Flow Coefcients and CapacitiesSee Table 2

Maximum Inlet Pressure 200 psig (13,8 bar)

Minimum Inlet Pressure 25 psig (1,72 bar)

Maximum Outlet (Casing) Pressure 20 psig (1,38 bar)

Outlet Pressure Ranges-5-inch w.c. to 5 psig (-12 mbar to 0,35 bar) in six rangesSee Table 2

Outlet Pressure Ranges

See Table 3


Temperature CapabilitiesNitrile (NBR):-20 to 180F (-29 to 82C) Fluoroelastomer (FKM):0 to 212F (-17 to 100C)FDA/EPDM (Ethylenepropylene):-40 to 212F (-40 to 100C)Peruoroelastomer (FFKM):-20 to 212F (-29 to 100C)Teon:-20 to 212F (-29 to 100C)

Approximate Weight 40 lbs. (18 kg)

Additional Technical DataFor more technical information, contact your local Sales Ofce or refer to the product Bulletin 74.1:ACE95. To locate product literature or your local Sales Ofce, log on to: www.FISHERregulators.com

Figure 1. Type ACE95 Vapor Saver Tank Blanketing Valve

Table 1. Construction MaterialsBODY AND BONNET TRIM ELASTOMERS

ACTUATOR DIAPHRAGM ACTUATOR

CF3M/CF8M S304/316L Stainless steel


FDA / EPDM (Ethylenepropylene),

and Peruoroelastomer (FFKM)

TeonCarbon steel

316/316L Stainless steel

ACTUATOR

DIAGNOSTIC PORT

RANGE SPRING

PILOT VALVE (OPEN)

ROLLING DIAPHRAGM

MAIN VALVE (OPEN) SENSING LINE

VALVE OPEN

ORIFICE

RANGE SPRINGACTUATOR

PILOT VALVE (CLOSED)

ORIFICE

MAIN VALVE (CLOSED)

DIAGNOSTIC PORT

SENSING LINE

Figure 2. Type ACE95 Operational Schematic

INLET PRESSURETANK PRESSUREPILOT LOADING PRESSUREATMOSPHERIC PRESSURE

Features

Stainless Steel Construction Fully Balanced Main Valve Rolling Diaphragm High Sensitivity Extremely Accurate Control Chemically Compatible Elastomers Optional Single Tank Connection Diagnostic Port for Servicing

ROLLING DIAPHRAGM

W8002

TANK

VALVE CLOSED

TANK


390


Table 2. Type ACE95 Maximum Flow RatesINLET PRESSURE MAXIMUM FLOW RATES IN SCFH (Nm3/h) OF NITROGEN(1)

Psi Bar kg/cm2 kPa CV = 1 CV = 2 CV = 4 CV = 7.5 CV = 10

25 1,72 1.76 172 1330 (36) 2670 (72) 5350 (143) 10,000 (268) 13,300 (356)

30 2,1 2.11 207 1510 (40) 3020 (81) 6050 (162) 11,300 (303) 15,100 (405)

40 2,8 2.81 276 1870 (50) 3750 (100) 7510 (201) 14,000 (375) 18,700 (501)

50 3,4 3.52 345 2280 (61) 4570 (122) 9140 (245) 17,100 (458) 22,800 (611)

60 4,1 4.22 414 2690 (72) 5380 (144) 10,700 (287) 20,100 (539) 26,900 (721)

70 4,8 4.92 483 3090 (83) 6180 (166) 12,300 (330) 23,200 (622) 30,900 (828)

80 5,5 5.63 552 3490 (94) 6990 (187) 13,900 (373) 26,200 (702) 34,900 (935)

90 6,2 6.33 621 3900 (105) 7800 (209) 15,600 (418) 29,200 (783) 39,000 (1045)

100 6,9 7.03 690 4300 (115) 8600 (230) 17,200 (461) 32,200 (863) 43,000 (1152)

110 7,6 7.4 759 4700 (126) 9410 (252) 18,800 (504) 35,300 (946) 47,000 (1260)

120 8,3 8.44 827 5100 (137) 10,200 (273) 20,400 (547) 38,300 (1026) 51,000 (1367)

130 9,0 9.14 897 5510 (148) 11,000 (295) 22,000 (590) 41,300 (1107) 55,100 (1477)

140 9,7 9.84 965 5910 (158) 11,800 (316) 23,600 (632) 44,300 (1187) 59,100 (1584)

150 10,3 10.55 1034 6310 (169) 12,600 (338) 25,200 (675) 47,300 (1268) 63,100 (1691)

160 11,0 11.25 1103 6710 (180) 13,400 (359) 26,800 (718) 50,300 (1348) 67,100 (1798)

170 11,7 11.96 1172 7120 (191) 14,200 (381) 28,400 (761) 53,400 (1431) 71,200 (1908)

180 12,4 12.66 1241 7520 (202) 15,000 (402) 30,000 (804) 56,400 (1512) 75,200 (2015)

190 13,1 13.36 1310 7920 (212) 15,800 (423) 31,700 (850) 59,400 (1592) 79,200 (2123)

200 13,8 14.06 1379 8320 (223) 16,600 (445) 33,300 (892) 62,400 (1672) 83,200 (2230)

1. Typical accuracy when owing 5-70% of table value is 0.3-inches w.c. ( 0,74 mbar)

Table 3. Outlet (Control) Pressure RangesOUTLET (CONTROL) PRESSURE RANGE SPRING MATERIAL SPRING FREE LENGTH, INCHES (mm) SPRING WIRE DIAMETER, INCHES (mm)

-5 to -0.5-inches w.c. (-1,2 to -12 mbar) Stainless Steel 2.75 0.88

(69,85) (22,352)(1)

0.080 0.085

(2,032) (2,159)(1)

-1 to 1-inch w.c. (-2 to 2 mbar) Stainless Steel 2.75 1.60

(69,85) (40,64)(1)

0.080 0.065

(2,032) (1,651)(1)

0.5 to 5-inches w.c. 4 to 10-inches w.c. 8 to 15-inches w.c.

0.5 to 1.5 psig

(1,2 to 12 mbar) (10 to 25 mbar) (20 to 36 mbar) (34 to 103 mbar)

Stainless Steel Stainless Steel Stainless Steel Stainless Steel

2.75 2.00 2.00 2.75

(69,85) (50,8) (50,8) (69,85)

0.080 0.112 0.125 0.225

(2,032) (2,845) (3,175) (5,715)

1. The second spring is located under the diaphragm assembly.


391



13.4 (340)

OUTLET

1.8 (46)

INLET

0.9 (23)

Sensing Port 1/2-INCH NPT

INCHES (mm)

Table 4. Main Valve Springs

VALVE CVINLET PRESSURE RANGE,

PSIG (bar)SPRING PART

NUMBERSPRING FREE LENGTH,

INCHES (mm)SPRING WIRE DIAMETER,

INCHES (mm)

1 - 4 25 to 50 51 to 120

121 to 200

(1,7 to 3,5) (3,5 to 8,3) (8,3 to 13,8)

GC220704X22 GC220705X22 GC220706X22

1.5 1.5 1.5

(38,1) (38,1) (38,1)

0.038 0.051 0.059

(0,965) (1,30) (1,50)

5 - 10 25 to 50 51 to 120

121 to 200

(1,7 to 3,5) (3,5 to 8,3) (8,3 to 13,8)

GC220705X22 GC220706X22 GC220709X22

1.5 1.5 1.5

(38,1) (38,1) (38,1)

0,051 0,059 0,072

(1,30) (1,50) (1,83)

12.5 (317)


392


Main Valve Coefcient (Select One) CV = 10 CV = 7.5 CV = 4 CV = 2 CV = 1

Options (Optional) Stainless Steel Filter (in lieu of standard Aluminum/Zinc) Stainless Steel Inlet Pressure Gauge Standard Control Pressure Gauge Stainless Steel Control Gauge for Setpoints Below 2-inches w.c. (5 mbar) Stainless Steel Control Gauge for Setpoints Above 2-inches w.c. (5 mbar) Acrylic Sensing Line Purge Stainless Steel Sensing Line Purge Acrylic Main Line Purge Stainless Steel Main Line Purge Explosion-proof Pressure Switch Stainless Steel Main Line Check Valve Stainless Steel Diagnostic and Inlet Gauges

Replacement Parts Kit (Optional) Yes, send one replacement parts kit to match this order.

Ordering GuideEnd Connection Style (Select One) 1-inch (DN 25) NPT Screwed*** 1-inch (DN 25) Class 150 threaded anges*** 1-inch (DN 25) Class 150 welded anges** 1-inch (DN 25) Sanitary anges** 3/4-inch (DN 20) NPT Screwed*

Actuator Material (Select One) Carbon Steel*** S31600/316L Stainless steel*** Trim Material (Select One) S31600 Stainless steel*** 316L Stainless steel

Elastomer (Select One) Nitrile - NBR*** Peruoroelastomer - FFKM** FDA/EPDM Ethylenepropylene** Fluoroelastomer - FKM***

Main Valve Spring (Select One) 25 to 50 psig (1,7 to 3,5 bar) 51 to 120 psig (3,5 to 8,3 bar) 121 to 200 psig (8,3 to 13,8 bar)

Outlet Pressure Range (Select One) -0.5 to -5-inches w.c. (-1,2 to -12 mbar)*** -1 to 1-inch w.c. (-2 to 2 mbar)*** 0.5 to 5-inches w.c. (1,2 to 12 mbar)*** 4 to 10-inches w.c. (10 to 25 mbar)*** 8 to 15-inches w.c. (20 to 37 mbar)*** 0.5 to 1.5 psig (34 to 103 mbar)*** 1.5 to 5.0 psig (103 to 345 mbar)*









Application Specications:Tank SizePump In RatePump Out RateBlanketing Gas (Type and Specic Gravity)Conservation Vent Setpoint




Other Requirements:



Others



Type ACE95jr Vapor Saver Tank Blanketing Valves

393


INLET

TO TANK

SENSING CONNECTIONVALVE CLOSED

Figure 2. Type ACE95jr Operational Schematic

INLET PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSURE

E0205

CAGEO-RING SEAT

POPPET

ROLLING DIAPHRAGMVALVE OPEN

IntroductionThe Type ACE95jr Vapor Saver is a direct-operated valve used for accurate pressure control on low pressure blanketing systems. The unit is stainless steel, and actuated by a very large, 76-in2 (490 cm2), diaphragm actuator. Blanketing setpoint is controlled by a single adjusting screw.

The oversized actuator offers high sensitivity to changes in tank pressure, increasing accuracy. A rolling diaphragm is utilized to maintain a fully balanced main valve, insuring extremely accurate operation under all conditions. Lockup is typically less than 0.3-inches w.c. (1,2 mbar). The main valve stroke is minimal to further insure accuracy and fast response.

End Connection Styles1/2-inch, 1/2 x 1-inch, or 1-inch (DN 15, 15 x 25, or 25) NPT screwed, Class 150 RF anged, or PN10/16 anged. 1-inch (DN 25) is also available with sanitary anges.Note: Class 150 RF and PN 10/16 anges are nipple mounted.

Maximum Inlet Pressure 200 psig (13,8 bar)

Maximum Outlet (Casing) Pressure 20 psig (1,38 bar)

Outlet Pressure Ranges-5-inch w.c. to 5 psig (-12 mbar to 0,35 bar) in six rangesSee Table 3


Temperature CapabilitiesNitrile (NBR):-20 to 180F (-29 to 82C) Fluoroelastomer (FKM):0 to 212F (-17 to 100C)FDA/EPDM (Ethylenepropylene):-40 to 212F (-40 to 100C)Peruoroelastomer (FFKM):-20 to 212F (-29 to 100C)Teon

-20 to 212F (-29 to 100C)

Approximate Weight (with all accessories)

30 pounds (14 kg)

Additional Technical DataFor more technical information, contact your local Sales Ofce or refer to the product Bulletin 74.1:ACE95jr. To locate product literature or your local Sales Ofce, log on to: www.FISHERregulators.com

Figure 1. Type ACE95jr Vapor Saver Tank Blanketing Valve

W8096

Features

Stainless Steel Construction Fully Balanced Main Valve Rolling Diaphragm High Sensitivity Extremely Accurate Control Chemically Compatible Elastomers Optional Single Tank Connection Designed for Small Flow Service

Table 1. Construction MaterialsBODY AND BONNET TRIM ELASTOMERS

ACTUATOR DIAPHRAGM ACTUATOR

CF3M/CF8MS304/316L Stainless

steel


FDA / EPDM (Ethylenepropylene),

and Peruoroelastomer (FFKM)

TeonCarbon steel

316/316L Stainless steel

Type ACE95jr Vapor Saver Tank Blanketing Valves

394


Table 2. Type ACE95jr Maximum Flow Rates (continued)

INLET PRESSUREMAXIMUM FLOW RATES IN

SCFH (Nm3/h) OF 0.97 SPECIFIC GRAVITY NITROGEN

Psig bar kg/cm2 kPa Cv = 0.2 Cv = 0.4

8090

100

5,56,26,9

5,66,37,0

552621690

690 (19)780 (21)860 (23)

1,390 (37)1,560 (42)1,720 (46)

110120130

7,68,29,0

7,78,49,1

759828897

940 (25)1,020 (27)1,100 (30)

1,880 (51)2,040 (55)2,200 (59)

140150160

9,710,311,0

9,810,511,2

96610341103

1,180 (32)1,260 (34)1,340 (36)

2,360 (63)2,520 (68)2,680 (72)

170180190200

11,712,413,113,8

12,012,713,414,1

1172124113101379

1,420 (38)1,500 (40)1,580 (42)1,660 (45)

2,840 (76)3,000 (81)3,170 (85)3,330 (89)

Typical accuracy when owing 5-70% of table value is 0.3-inches w.c. (0,7 mbar)

Table 2. Type ACE95jr Maximum Flow Rates

INLET PRESSUREMAXIMUM FLOW RATES IN

SCFH (Nm3/h) OF 0.97 SPECIFIC GRAVITY NITROGEN

Psig bar kg/cm2 kPa Cv = 0.2 Cv = 0.4

125

0, 0690,140,34

0.070.140.35

6.913.834.5

42 (1,1)61 (1,6)98 (2,6)

84 (2,3)120 (3,2)210 (5,6)

101520

0,691,031,38

0.701.051.4

69103138

130 (3,5)160 (4,3)210 (5,6)

310 (8,3)400 (11)480 (13)

253040

1,722,072,76

1.82.12.8

172207276

250 (6,7)290 (7,8)370 (10)

550 (15)630 (17)780 (21)

506070

3,454,144,83

3.54.24.9

345414483

450 (12)530 (14)610 (16)

930 (25)1,070 (29)1,230 (33)

Assumes an outlet pressure of 5-inches w.c. (12 mbar) or less. Typical accuracy when owing 5-70% of table value is 0.3-inches w.c. (0,7 mbar)

12.5 (317)

8.6 (218)

8.2 (208)

3.5 (89)

INLET

9.5 (241)

1.6 (40)

OUTL

ET

9.3 (235)

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