44-r973044-1973OLS44-19730CX44-1973144-19731LS44-t9749-r44-19749-1LS44-7979044-19790L544-1979r44-19791L544-r9799-I44-19799-rLS

SUPERPRESSURELITTLE RICHARD

PNEUMATICALLY OPERATED VALVE

2OK NORMALLY CLOSED2OK NORMALLY CLOSED & LIMIT SWITCH2OK NORMALLY CLOSED OXYGEN SERVICE6OK NORMALLY CLOSED6OK NORMALLY CLOSED & LIMIT SWITCH1OOK NORMALLY CLOSED1OOK NORMALLY CLOSED & LIMIT SWITCH2OK NORMALLY OPEN2OK NORMALLY OPEN & LIMIT SWITCH6OK NORMALLY OPEN6OK NORMALLY OPEN & LIMIT SWITCH1OOK NORMALLY OPENIOOK NORMALLY OPEN & LIMIT SWITCH

Part No.Sales Order No.Serial No.Date Manufactured

NEWPORT SCIENTIFIC, INC.FORMERLY - AMINCO8246-E SANDY COURTJESSUP. MD 20794-9632

(301) 498-6700 FAX (301) 4e0-2313WEB SITE : www.newport-scientifi c. comEMAIL : sales(4newport-scientifi c.com

This Manual is for:

ADM IN/MAN UAI./LRICHARD FEBRUARY 2OO7

CONTENTS

I. DESCRIPTIONa. Applicationb. Construction Featuresc. Specificationsd. Common Characteristicse. Characters That Varv By Model

II. INSTALLATIONa. Mountingb. Connectionsc. Checkout And Adjustmentd. Stem-Seat Seal Check

1. To Set NO Valves Only2. To Set NC Valves Onlv

III. MAINTENANCEa. Replacement of Valve Stem, Seat, Or Packingb. Spare Parts

44-197300X

52076005700520760059005207600600056046002900

ASSEMBLY DRAWINGS

Little Richard 20K PSI Normally Closed-Oxygen Service

Air Drive 6"Drive Unit Sub Assembly N/ODriver Unit Sole AssemblyValve Bodv Assemblv

I DESCRIPTION

The Newport Scientific, Inc. Little Richard Valve, is a solenoid operated pneumatic piston tlpe pressurevalve. The valve is composed of four major components.

o a valve body assembled for the pressure rating of the Little Richard Valve. a spring-return assembly, one for normally closed mode, another for normally open modeo a pneumatic actuator cylinder and piston 6 inches in diametero a norrnally closed three-way solenoid valve

The pneumatic piston actuator uses a low pressure (90 psi) air supply controlled by the normallyclosed, explosion proof, Class 1, Group D solenoid valve.

When electrically energized, the solenoid valve open$ to allow air to enter the actuator piston. Thepiston is connected to the pressure valve stem by an extension shaft, and a spring keeps the actuator shaft inthe normally open (NO) or normally closed (NC) position. When air enters the cylinders, spring tension onthe piston is overcome and the valve stem is moved to the fully open or fully closed position. When thesolenoid valve is de-energized, the air pressure is vented from the actuator cylinder through the exhaust portof the solenoid, (see assembly drawing), and the spring tension returns the valve stem to its normal position.

APPLICATION

Solenoid valve control of the pneumatic actuator permits the use of the Little Richard Valve forremotely controlled on-off operation, or as a pressure sensitive, contact-type gage in the line. The valve mayalso be furnished with limit switches for remote indication if the fully open or fully closed positions.

CONSTRUCTION FEATURES

o The structure containing the pneumatic piston actuator and connecting shaft is constructed ofheavy-duty aluminum.Valve bodies available:

20,000 psi body with 5/16 inch orifice opening60,000 psi body with 1/8 inch orifice opening100,000 psi body with 1/16 inch orifice opening

Valve body material:- for 20,000 and 60,000 psi service, 316 stainless steel- for 100,000 psi service, 410 stainless steel, heat treated- for oxygen service, Monel 400

All parts exposed to the flowing medium are made of stainless steel, for oxygen service, Monel,and stellite.Stems (replaceable)are made of 440C stainless steel,heat treated

-for oxygen service, stellite #68Valve seat (replaceable):

For 20,000 and 60,000 psi service: 410 stainless steel, heat treatedFor 100,000 psi service: 17-4PHFor oxygen service: stellite #25

All valves are furnished with 416 stainless steel glands, nuts and sleeves

SPECIFICATIONS

COMMON CHARACTERISTICS

OPERATED AIR PRESSURE: 90 psi nominalAIR CONNECTIONS: 1/4 inch NPTVALVE STEM TRAVEL: 5/16 inch maximumVALVE STEM CLOSURE ANGLE: 60 degreesSOLENOID VALE: Normally closedELECTRICAL POWER: 115V, 60H2, l-phaseSOLENOID ENCLOSURE: Explosion proof

CHARACTERS THAT VARY BY MODEL

MODELS: 20.000 PSI 60.000 PSr 100.000 PSIMAXIMUM OPERATINGPRESSURE:OPERATING TEMPERATURE* :VALVE OzuFICE DIAMETER:INTAKE TUBING CONNECTION:

DISCHARGE TUBINGCONNECTION:

20,000 PSI

-100'F TO 4500F5/16INCH

9/I6INCH HP**

9/16" HP**

60,000 PSI

100'F TO 4500F1/8INCH

9/16INCH

9/16" HP**

100,000 PSI

-20"F TO 300'F1/ I6 INCH

t / , ,

%" HP*:r<*'

For 20,000 and 60,000 PSI models, special aluminum foil packing can be used to increase the operating temperature to I000oF.Adapters for 114 HP or 3/8 HP are supplied when specified.Inlet/Outlet openings for 9116 inch OD AMINCO high-flow tubing can be furnished on special order.

II INSTALLATIONIF EQUIPMENT IS RECEIVED IN DAMAGED CONDITION:

Forward an immediate request to the delivering carrier to perform an inspection and prepare a concealed-damage report. Do not destroy container or packing material until contents have been verified. Concurrentlyreport the nature and extent of damage incurred to Newport Scientific, Inc. giving instrument serial andcatalog numbers, so that action may be initiated to repair or replace damaged parts or instructions issued forthe return of the instrument. Do not return damaged goods to Newport Scientific, Inc. without first securingproper authorization from the Company. The responsibility of Newport Scientific, Inc. ends with deliveryto the first carrier; all claims for loss, damage, or non-delivery must be made against the delivering carrierwithin 10 days of receipt of shipment.

MOUNTING

Mounting dimensions are shown in assembly drawing. Facilities for mounting are provided asfollows:Two 3/8-16 [JNC-2 B tapped side mounting holes 314 inch deep at the edge of the cylinder flangeson2-718 inch centers.Four 11132 inch flange mounting holes on 5-718 inch centers at the comers of the cylinder flange

4

base.

The Little Richard Valve mav be mountedoperation.

CONNECTIONS

CHECKOUT AND ADJUSTMENT

STEM.SEAT SEAL CHECK

t .

2 .

aJ .

in any practical position. Position does not affect

Valves are packed and shipped with gland nuts finger-tight only and must be tightened before beingput into service,

Connect appropriate high pressure tubing to be the inlet and discharge ports of the valve body.Tubing gland nuts should be tightened with a torque wrench as follows:

9l16 inch HP connections, tighten nut to 45 ft-lbs, approximately3/8 inch HP connections, tighten nut to 28 ft-lbs, approximatelyl14 inch HP connections, tighten nut to 15 ft-lbs, approximately

Connect 90 psi air supply to the solenoid valve air inlet port.

Connect 115V, 60Hz power line to the solenoid valve either through a control switch, orin series with a contact tlpe pressure gage. Use 1/2 inch NPT threaded conduit or electricalconnections to solenoid valve when Little Richard Valve is used in hazardous atmosphere or tohandle flammable gases or liquids.

2.

Valves are tested by Newport Scientific, Inc. for effective pressure seal. However, in some cases,service conditions require that the stem seat be tighter (i.e., the stem be adjusted slightly longer sothat a more positive and effective seal is made to stop the flow of gas or liquid).

To determine the effectiveness of the seat:

Operate the valve in the system several times while using low pressure to purge any dirt particlesthat could cause a faulty seal.

Close the valve by energizing the solenoid of s NO valve or de-energrze the solenoid of a NC valve.Slowly apply pressure to the system. If leakage occurs, shut off pressure.

Open valve by de-energize the solenoid for NO valve or energize solenoid for NC valve.

Loosen valve stem lock nut and packing gland nut, and shorten the squared stem by turning itclockwise with a wrench toward he actuator shaft, approximately one full turn.

Close valve. Check that stem is free from its valve seat; it will move easily when turned. If stem isnot free, open valve and readjust until stem is free and then close valve.

Lengthen stem by turning it counterclockwise until it just touches the valve seat. This is the initialposition for stem adjustments for both normally open and normally closed valves.

Perform procedures in either "To Set Normally Open Valves Only" or "To Set Normally ClosedValves Only" paragraph.

3.

4.

5 .

6 .

7 ,

2.

TO SET NORMALLY OPEN VALVES ONLY

l . De-energize solenoid to open valve. Loosen lock nut and lengthen stem counterclockwise out of thepiston shaft to a full turn. Tighten stem lock nut and packing gland nut to torque specified in"Connections" paragraph.

Test valve for leaks. If leakage occurs, disassemble the valve and inspect stem and seat for damage.Refer to Maintenance section for disassembly procedures.

TO SET NORMALLY CLOSED VALVES ONLY

1. Energize solenoid to open valve and lengthen stem as follows:

When valve is being used to one half of its maximum pressure rating. Open valve, loosenlock nut and gland nut and lengthen stem by turning stem counterclockwise out of the pistonshaft from one half to a full turn.

When used at maximum pressure rating, more spring force is required to keep valve fromleaking. Set valve as follows:

Loosen stem lock nut and packing nut. Because spring force is essentially linear with springcompression, 20,000 psi or 60,000 psi NC valves operating between one half of maximumpressure rating and full pressure rating should have the stem extended TWO full tums(counterclockwise) for each additional l|oh increase in working pressure over 5002. Forexample: at 60oh use 2 turns; at70Yo use 4 turns, etc.For 100,000 psi NC valves, the stem should be extended 1% tums for each 107o over the 50%maximum working pressure (i.e., at 60olo use IYz tums; for 70o/o use 3 turns, etc). This settingwill result in lower spring fatigue rate. Typical settings at maximum rated pressure are:

- For 201000 psi NC Valves at maximum pressure rating - from point of initial valve seatcontact, open the valve and extend the stem out of the piston shaft by turningounterclockwtse 9Yz full tums.

- For 60,000 psi NC Valves at maximum pressure rating - from point of initial valve seatcontact, open the valve and extend the stem out of the piston shaft by turning the valve stemcounterclockwise 10 full turns.

- For 100,000 psi NC Valves at maximum pressure rating - from point of initial valve seatcontact, open the valve and extend the stem out of the piston shaft by turningcounterclockwise 7 r/, tums.

Tighten stem lock nut and packing gland nut to torque specified in paragraph before testing oroperating.

NOTEEven though the stem travel between the open and closed positions may seem inadequate byusing the actuator piston only, the added thrust due to line pressure on the stem will provide afull port area opening.

Test valve for leaks. If leakage is encountered, disassemble the valve and inspect the valve seat andstem for damage. Refer to Maintenance section for disassembly procedures.

A.

B.

2.

aJ .

III MAII\TENANCE

REPLACEMENT OF VALVE STEM, SEAT, OR PACKING

1. Remove pressure tubing inlet and discharge connections from the valve.

2. Loosen valve-stem lock nut and packing gland nut.

3. Remove the four bolts and spacer stilts from valve body.

4. Unscrew valve stem from air operated piston shaft.

5. Remove stem andlor packing from valve as follows:

20,000 PSI VALVES

(1) Remove packing nut.(2) Pull them from the valve. The 20,000 psi valve stem has a button tip which enables packing andpicking followers to be removed by pulling the stem from the valve.

(3) Replace appropriate stem and/or packing.(a) As the valve is reassembled, lubricate the following interfaces with appropriate lubrication.

- Between valve stem and packing nut.- Threads between packing nut and valve body.- Threads between removable seat nut and valve body.

(5) Tighten packing nut and tubing nuts to the following torque values.- Seat nut to about 200 ft-lbs.- Packing nut to about 50 ft-lbs.- Tubing gland nut, 9/16 inch, about 45 ft-lbs.- Tubing gland nut, 3/8 inch, about 28 ft-lbs.- Tubing gland nut,I/4 inch, about 15 ft-lbs.

60,000 PSI VALVES

(1) Remove the packing nut.(2) Pull stem out from valve. Stems of 60,000 psi valves have needle thread stems that are easilyremoved.(3) Remove seat nut, removable valve seat and thrust washer.(4) Tap the packing out (either direction) with a softYq inch diameter metal bar.(5) Replace appropriate stem and/or packing.(6) As the valve is reassembled, lubricate the following interfaces with appropriate lubrication.

- Between valve stem and packing nut.- Threads between packing nut and valve body.- Threads between removable seat nut and valve body.

(7) Tighten packing nut and tubing gland nuts to the following torque values:- Valve seat nut to about 200 ft-lbs.- Packing nut to about 50 ft-lbs.- Tubing gland nut,9l16 inch, about 45 ft-lbs.- Tubing gland nut, 3/8 inch, about 28 ft-lbs.- Tubing gland nut,I/4 inch, about 15 ft-lbs.

lOO,OOO PSI VALVES

(1) Remove the packing nut, thrust washer, and the needle-point stem.(2) Remove the seat nut, lens ring, and removable valve seat from the other end of the valve body.(3) Tap packing out with a soft metal rod, approximately 7132 inch in diameter.(4) Replace packing and/or stem.(5) As the valve is re-assembled, lubricate the following interfaces with appropriate lubrication.

- Between valve stem and packing nut.- Threads between packing nut and valve body.- Threads between removable seat nut and valve bodv.

(6) Tighten nuts to the following torque values:- Seat retainer nut to about 200 ft-lbs.- Packing nut to about 50 ft-lbs.

- Tubing gland nut,9116 inch, about 75 ft-lbs.- Tubing gland nut, 1/4 inch, about 15 ft-lbs,

SPARE PARTS (REFER TO ASSEMBLY DRAWINGS)

44-19730,44-79790,

-LS-LS

44-1973t, -LS44-19791" -LS

44-t9749-r,44-19799-r,

-LS-LS

StemPacking, StandardPacking (temp. up to 1000'F)

Seat

5604700030044-tI47lP1620001700

56046006200

5208500440044-13990Pr620027600

52085012700

Pr62400070044-r9213

63171001 100

Solenoid ValveThread Lubricant

P0215090600(Lubriplate 130A)

44-197300X

Stem - Stellite 68Packing, StandardSeat - Stellite 25

5604600300044-r r47 l56046003300

Solenoid ValveThread Lubricant

P021s090600Krytox GPL206

OXYGEN SERVICE

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