type - john crane/media/j/johncrane_com/... · only john crane spare parts should be used to...

The following symbols are used to highlight instructions of particular importance. Note: Refers to special information on how to install or operate the seal most

efficiently. Attention: Special instructions or information to avoid damage to the seal or its

surroundings. Danger Mandatory instructions designed to prevent personal injury or

extensive damage. Environmental Note1 Installation, removal and maintenance of the seal must only be carried out by

qualified personnel who have read and understood these installation instructions.2 The seal is designed exclusively for sealing rotating shafts. The manufacturer

cannot be held liable for use of the seal for purposes other than this.3 The seal must be used in technically perfect condition and must be operated

within the recommended performance limits and in accordance with its designated use set out in this manual.

4 If the process fluid is hazardous or toxic, appropriate precautions must be taken to ensure that any seal emissions are adequately contained. Further information on sealing hazardous or toxic fluids should be obtained from John Crane prior to seal installation.

5 Fluorocarbon components should never be burned or incinerated, as the fumes and residues are highly toxic. If fluorocarbons are heated above 400°C/750°F they can decompose, therefore, personal protective equipment (PPE) should be worn as hydrofluoric acid may be present.

6 PTFE components should never be burned or incinerated as the fumes are highly toxic. It is dangerous to smoke while handling products made from PTFE.

Follow the relevant local guidelines for the safe and proper environmental disposal of assembly lubricants, supplied fluids and scrapped components.

Attention: Every working practice which compromises safety must be avoided.In the event of an operating problem the machine must be switched off immediately and made safe! Problems must be solved promptly.Minor emissions will occur during normal seal operation. Depending on the duty, this emission can appear as a gas, a liquid or a solid. For emissions that are hazardous or toxic and a safe collection system is required.Hot surfaces have to be protected against accidental contact.In order to avoid unforeseen hazards do not make unauthorised changes to the sealed fluid, the specific duty or the seal parts.Some mechanical seals are used in conjunction with an ancillary support system; this is clarified either by the flush plan description on the seal arrangement drawing or by contacting John Crane (also see Section 11). It is important for the safe function of the seal that the support system is assembled and incorporated into the machine before operation. This manual should be read in conjunction with the appropriate documentation for auxiliary systems and rotating machinery.

Attention: Alarm systems are often included in the ancillary support system and the operator must ensure appropriate action is taken promptly in the event of an alarm.

Maintenance with steel tools must be avoided in the presence of substances classed as explosive group IIc according to EN 60079-0:2012+A11:2013.

1. Foreword

2 . Safet y

3. Hazardous Environments

4. Declaration of Incorporation (2006/42/EC)

6. Seal Ins ta l la t ion

5. Transpor tat ion and S torage

7. Before S tar t ing the Machine

This instruction manual contains standard, generic data and should be used with the seal family installation instructions. These instructions must be read and applied whenever work is done on the seal and must be kept available for future reference.These instructions are for the installation and operation of a seal as used in rotating machines and will help to avoid danger and increase reliability. Before use with other types of machines John Crane should be consulted. These instructions must be read in conjunction with the instruction manuals for both the machine and any ancillary equipment.If the seal is to be used for an application other than that originally intended or outside its recommended performance limits, John Crane must be contacted before its installation and use. Any warranty may be affected by improper handling, installation, or use of this seal. Contact John Crane for information as to exclusive product warranty and limitations of liability.If questions arise, contact your local John Crane Sales/Service Engineer or the original equipment manufacturer, as appropriate. John Crane mechanical seal are precision products and must be handled appropriately. Take particular care to avoid damage to lapped sealing faces.

For each standard product supplied into the EU a Technical File is required and a Technical Record Sheet, satisfying the needs of 2006/42/EC. When requested, a Declaration of Incorporation (for which a Technical File exists) will be raised and signed by a John Crane appointed representative.

Refer to the appropriate seal family installation instructions. Do not excessively compress the seal before or during installation.

Transport and store the seal in its original packaging. To ensure seals remain in good condition they should be stored in the following environment:1 Dry and dust-free2 Ventilated at room temperature3 Protected from direct effects of heat and ultraviolet light4 All the elastomers used in the mechanical seal have a minimum shelf life of 5 years

except for butyl rubber which has a minimum shelf life of 2 years. We recommend that the elastomers be replaced at these intervals. It is also recommended that the elastomer replacement be carried out by John Crane personnel. If used seal parts are to be shipped they must be cleaned and decontaminated before shipping. It is the responsibility of the machine user to ensure that any parts being shipped have appropriate safe-handling instructions externally attached to the package. Without this information there will be a refusal to handle the goods. If required a decontamination/transportation certificate is available from John Crane. Refer to document EDS1001.

For additional information on transportation and storage, contact your local John Crane facility and request a copy of of document I-Storage. If any machine with an installed component seal has been stored with preservatives, before putting it back into operation the seal must be removed, cleaned and dried. Particular attention must be applied to the cleanliness of the faces and condition of the elastomers. For an installed cartridge seal we recommend returning the complete cartridge to John Crane for cleaning.Attention: Ensure preservatives and cleaning agents do not affect the elastomers

Attention: Once the seal is fitted on the machine and the position is set using setting de vices do not re-engage them for transportation and storage.

1 Check the machine at the coupling for proper alignment of the driver. 2 Ensure that the gland plate nuts/bolts are securely tightened according to the

machine manual instructions and that all screws are securely fastened.3 Assemble the machine, ensure any setting spacers are removed from the seal

and turn the shaft (by hand if possible) to ensure free rotation.4 Consult all available machine instruction manuals to check for correctness of

all piping and connections, particularly regarding seal recirculation, heating or cooling requirements and services external to the seal. See Section 11. Ensure all unused ports are correctly plugged.

Attention: Mechanical seals are normally designed to operate in a liquid so that the heat energy they create is adequately removed. Therefore, the following check should be carried out not only after seal installation but also after any period of machine inactivity.

5 Check that the seal chamber pipe work is open and free of any obstruction, and for liquid lubricated seals ensure that the seal chamber is properly vented and filled with liquid - refer to the machine instruction manual. See also Section 11.

Attention: Except for dry running or gas lubricated seals which are designed to operate without liquid, wet seals that are operated without adequate liquid lubrication will often give rise to a squealing noise from the seal area and result in overheating and scoring or other damage to the sealing surfaces, causing excessive emissions and a reduced seal life.

Before start-up, ensure that all personnel and assembly equipment have been moved to a safe distance so there is no contact with rotating parts on the machine, seal, coupling or driver.

Attention: Seal installation should be handled only by qualified personnel. If questions arise, contact the local John Crane Sales/Service Engineer. Improper use and/or installation of this product could result in injury to the person and/or harmful emissions to the environment and may affect any warranty on the product. Please contact John Crane for information as to exclusive product warranty and limitations of liability.

TYPEGENERIC SEAL INSTRUCTION MANUAL

4610, 4620P, 5610, 5610Q, 5610P, 5610D, 5610VQ, 5611, 5611Q, 5615, 5615Q, 5620, 5620P, 5620D, 5620VP, 5620V, 5625, 5625P, EZ-1, FFET, SB1, SB1A, SB2, SB2A, SBW

If the machine is being used in a EN 60079-0:2012+A11:2013 Zone 21 or 22, regular cleaning of dust from exterior surfaces is required.

Installation, Operation & Maintenance Instructions

During operation, periodic visual external inspection of the seal should be carried out. A measure of seal condition is the level of emission of the process or barrier fluid and as no maintenance is possible while installed, the seal should be replaced when emissions become unacceptable. It is recommended that a spare seal be held in inventory to allow immediate replacement of a removed seal.Attention: Machine adjustments that involve axial movement of the shaft may

cause damage to the seal while installed.Before attempting impeller clearance adjustment with a cartridge seal, refit the spacers then loosen all the drive collar socket set screws. With the shaft in its new working position, tighten with new socket set screws and remove the spacers. Keep the spacers for future use.For a component seal (non-cartridge), remove the seal, adjust the impeller clearance then re-fit the seal at its correct working length.

Decommissioning the Machine1 Ensure that the machine is made safe to work on by using a secured isolation

under the sole control of the person(s) working on the machine and which includes the following:

– the driver is fully isolated from the machine using an appropriate secured isolation method;

– any pressure is safely and fully released; – any liquid is safely drained; – any gas safely vented; – any chemicals are safely and fully removed; – any other energy storage is safely and fully released; – the isolation is proved to be effective at the point of work before work is

commenced. If the machine has been used on toxic or hazardous fluids, ensure

that the machine is correctly decontaminated and made safe prior to commencing work. Remember that fluid is often trapped during draining and may be present inside the seal chamber. The machine instruction manual should be consulted to check for any special precautions.

Removing the Seal Note: Remove from the machine with care, the seal may be suitable for

reconditioning after service, if otherwise undamaged.1 Referring to the machine instruction manual, dismantle the machine sufficiently

to expose the seal and the seal housing.Attention: For a cartridge seal, the setting spacers must be refitted before

starting the removal procedure.2 Deburr, clean and lubricate the shaft over which the seal will pass and remove

the seal unit in the reverse order to installation.A mechanical seal must always be serviced after removal from the machine. In order to maximise reliability and minimise safety risks, it is strongly recommended that used seals are returned to John Crane for rebuilding to as-new specification (essential for non-contacting gas seals). Alternatively ask for John Crane service personnel to visit site. For seal dismantling and assembly instructions, refer to John Crane.See “Transportation and Storage” section regarding shipping.

Note: It is recommended that a low pressure integrity test is carried out after repair and before installation on the machine.

Spare PartsOnly John Crane spare parts should be used to recondition seals.It is advisable to stock on site sufficient spare seal cartridges or the replacement parts shown on the installation drawing or as advised by John Crane to allow immediate replacement of the seal in the machine. The order codes for spare parts can be found in the parts list on the installation drawing or from John Crane directly. In the case of non-contacting gas seals, only complete cartridges should be stored.The following data is necessary for spare part orders:Part number; Quantity

prevent pollution, and continually improve its environmental performance, certification to the latest issue of ISO 14001 ensures compliance.”John Crane adopts the ‘Design For the Environment’ (DFE) principle in making this product. Using this product will benefit the environment directly by:• Preserving valuable material resources through recycling of raw materials,

the use of environmentally friendly packaging materials, the re-use of these high quality durable seals due to their ability to be refurbished and minimized transportation using world wide manufacturing and service centres .

• Reducing waste of precious resources through decreasing the risk of leakage• Reducing energy consumption through seal selection using total life costs• Preventing pollution through controlling harmful emissions to the atmosphere

Recycling Product Refurbishment This product has been designed for potential reuse. Depending on its post operation condition the seal may be repaired or rebuilt for further use. The metal components can generally be reused. The primary & mating rings may be re-lapped and reused. Drive screws and springs are replaced. O-rings must be replaced. Please consult John Crane for assessment of seal condition and its potential reconditioning.

DisposalWhen the product is considered to be beyond economical repair and potential reuse, it should be disposed of by environmentally beneficial means. The product can be disassembled with ease but appropriate personal protective equipment (PPE) should be worn to prevent contact with any harmful residue that may be inside the seal.

Scrapped componentsThese should be handled with extra care due to possible contamination. They should be recycled through approved local industrial recycling plants.

Special materialsFollow the local relevant guidelines for the environmentally friendly disposal of assembly lubricants, supplied fluids and scrapped components. Please refer to Section 2, Safety.

PackagingAll packaging materials used are made from recyclable, environmentally friendly materials. When in doubt or for further information and advice on this subject, please consult John Crane.

Company Policy Extract“It is the policy of John Crane to manage its business activities in an environmentally responsible manner, comply with all relevant laws and regulations,

8. Maintenance

9. Env ironmental Aspects

This seal has been assembled in accordance with John Crane Quality Assurance Standards and with proper machine maintenance and use will give safe and reliable operation to the maximum recommended performance as shown in any relevant approved John Crane publication.

To create the optimum environment for the mechanical seal it is usually necessary to add piping and sometimes extra equipment.

For advice on a specific application please contact John Crane.

For liquid lubricated seals, venting of air trapped around the seal faces is essential for correct seal operation. For horizontal machines the best method of automatically achieving this is a piping connection at top dead centre (TDC). For vertical machines a piping connection above the seal faces is required.

These instructions and other seal information can be found at www.johncrane.com

10. Qual i t y Assurance

11. Mechanical Seal P ip ing P lans

12 . Websi te

Fi t t ing Lubr icantsElastomers & PTFE Lubricant

General applications

Food, pharmaceutical or similar

Soft hand soap/water solution, glycerine (glycerol)

Consult machine manufacturer

NOTE: Always use a lubricant that is compatible with the machine and any ancillary machine and sealed product. Use lubricant sparingly.

TYPEGENERIC SEAL INSTRUCTION MANUAL



This document covers fitting of the mechanical seal to rotating machinery and should be kept for future reference. It should be used with any instruction manuals supplied with the rotating machinery and any ancillary equipment.

The mechanical seal contains precision lapped components which have been designed to minimise process fluid emissions when selected, fitted and used correctly.

If the process fluid is toxic or hazardous, appropriate precautions must be taken to contain any emissions.

Never burn any of the rubber or plastic parts of the mechanical seal. Toxic fumes may be generated.

Attention: The machinery operating conditions must not exceed the published operating limits of the mechanical seal.

Attention: Take care when handling the mechanical seal as it contains precision lapped parts.

Note: Operating limits and all dimensions can be found at: www.johncrane.com

The operating limits will depend on the materials used.

In t roduct ion

Check ing The Machine

Seal D imensions

Tab le 1 Socke t Se t Screw T igh ten ing Torque – A l l E xcep t 5 6 0 0 Ser ies

ScrewSize

Torque (Lubricated)

Nm/lbf·ft

Screw Size

Torque (Lubricated)

Nm/lbf·ft

M5M6M8

3/2.24/3

11/8.1

1/4-20 UNC5/16-18 UNC3/8-18 UNC

7.9/5.814.7/10.8 26/19.2

Tab le 2 Socke t Se t Screw T igh ten ing Torque – 5 6 0 0 Ser ies On ly

Seal Size Code

ScrewSize

Torque Nm/lbf·ftt

Screw Size

Torque Nm/lbf·ft

Up to 04800500 to 12061250 & above

M5M6M8

3.5/2.6 7/5.2

15/11.1

#10-24 UNC1/4-20 UNC 5/16-18 UNC

3/2.2 8/5.9

15/11.1

1 2 3 4

Squareness of shaft to seal chamber face

Concentricity seal chamber bore to shaft

Shaft runout Shaft end play

0.001 mm/mm diameter0.001 inch/inch diameter

<0.13 mm FIM<0.005 inch/FIM

<0.05 mm FM<0.002 inch/FIM

<0.13 mm FIM<0.005 inch/FIM

Ins ta l la t ion Ins t ruc t ionsBefore installing the mechanical seal read the instructions carefully. Keep for future use. Seal installation must only be carried out by a suitably qualified person.1 Check that the machine is clean and meets the fitting tolerances in Fig 2.2. Unpack cartridge, inspect for damage, wipe clean.3. Lubricate the machine shaft or sleeve with a recommended lubricant.

See lubricant table.4. Slide the cartridge on to the machine shaft or sleeve and rotate until

the barrier inlet port ports are in a suitable position for flush piping.5. Ensure that gland plate sealing ring is in position then slide the

cartridge against the seal chamber. 6. Fit the gland plate fasteners and evenly tighten to the torque

recommended by the machine manufacturer.7. Ensure the machine shaft is locked axially in its final correct position

and evenly tighten the cartridge drive collar socket set screws. See Table 1 or 2 depending on cartridge type for torque values.

8. Remove any setting clips or spacers and store for future use in cartridge removal.

TYPEINSTALLATION INSTRUCTIONS FOR PUMP CARTRIDGE SEALS

FLUSH FORDUAL SEALS

L91 MINIMUMBOX DEPTH

L90 MINIMUM NEAREST OBSTRUCTION

ØD

26

ØD

1 SH

AFT

ØD

4 BO

RE

MIN

. TUR

N D

IA.

(O/S

BO

RE O

NLY

)

'M'

'N'

Fig 1

E

Fig 2 A Seal Size

B 0.2-0.5 μm Ra 8-20 μinch Ra

C 1.6-3.2 μm Ra 63-125 μinch Ra

D 1 mm/0.040 inch

E 1.5 mm/0.060 inch

9. Turn the machine shaft by hand if possible to ensure free rotation with no shaft binding.

10. Complete the required piping to the seal. See Fig 3 and pages 4 and 5. Take care not to use excessive thread sealant when making circulation pipe work connections. Unused tapped connections must be safely plugged before seal operation.

11. Ensure machine seal chamber and seal are safely vented before starting the machine. This should be achieved through self-venting pipework. When manual vents are necessary they must be installed and used safely.

12. For liquid lubricated dual seals ensure that the seal lubrication system is correctly filled with suitable liquid. See Table 4 for guidance on liquid selection.

13. For a dual pressurised arrangement ensure that the seal is pressurised to a minimum of 1bar above the maximum machine seal chamber pressure before the machine is pressurised. The seal pressure must be within the seal and seal lubrication system operating pressure.

Once fitted, no adjustment is possible during the life of the mechanical seal.When the mechanical seal requires replacement, John Crane can supply a new or reconditioned seal to the original specification.



Typical F lush P ip ing For S ingle Seals

Typical Seal Cross Sect ion

Plan 11 – commonly used with single seals on horizontal shafts

Plan 23 – commonly used with hot processes

Plan 13 – commonly used with single seals on vertical shafts

Fig 3

Type 5610

Type 5620

1 Mating Ring2 O-Ring3 Primary Ring4 O-Ring5 Anti-Extrusion Ring6 Drive Ring7 Spring 8 O-Ring9 Retainer

10 Gasket11 Snap Ring12 O-Ring13 Sleeve Ass’y14 Collar 15 Set Screw16 Gland Plate Ass’y17 Spacer18 Socket Hd Cap Screw

1 Mating Ring2 O-Ring3 Primary Ring4 O-Ring5 Anti-Extrusion Ring6 Drive Ring7 Spring8 O-Ring9 Retainer10 Gasket11 Gland Adapter Ass’y12 O-Ring13 Sleeve Adaptor14 O-Ring15 Snap Ring

16 O-Ring17 Sleeve Ass’y18 Collar19 Set Screw20 Gland Plate Ass’y21 Spacer22 Socket Hd Cap Screw23 O-Ring24 O-Ring25 O-Ring26 Primary Ring27 Mating Ring28 Retainer29 Anti-Extrusion Ring30 Drive Ring

TYPEINSTALLATION INSTRUCTIONS FOR PUMP CARTRIDGE SEALS


• Quench optional

Quench/Drain

Flush

Orifice

By-pass from discharge

Drain

Flush

Gland End View

Quench

©2014 John Crane

• Quench optional

Quench/Drain

Flush outlet

Orifice

Drain

Flushoutlet

Gland End View

Return to suction

Quench

©2014 John Crane

TITI

• Quench optional

drain, plugged

Temperature indicator

Quench/Drain

Heat exchanger vent, plugged

Drain Flush inlet

Flush outlet shown for CW shaft rotation

Gland End View

Vent, normally closed

connectionsFlush outlet

Flush inlet

Pumping ring Quench

©2014 John Crane

18

17

16

111514987654312121310

1519182825730

29

24

26

27

23

15

12

14

13

11

109

87654

3

21

16

17

22

21

20


Pip ing Connect ions

SERIES GLAND INSTALLATION GUIDE

Sizes To 75 mm/3 inch D IN Pumps C lockwise Rotat ion

A cast gland plate is normally used up to shaft sizes 75 mm/3.000 inch. A letter identifying the function may be marked on the blank pads as follows:

‘D’ – Drain `I’ – Buffer/Barrier Inlet`F’ – Flush `O’ – Buffer/Barrier Outlet`Q’ – Quench `V’ – Vent

All standard pipework connections are tapped 3/8 inch NPT.

Special 5610 and 5615 seals may use a dual seal gland plate with a single seal, for conical seal chambers. All ports are plugged. Use no flush. A quench bush allows a quench by piping ports 1 and 3 as shown for “Single Seal with Quench”.

Seal sizes above 75 mm/3.000 inch use a fully machined gland plate with radial drillings that allow bi-directional shaft rotation. Pipework connections are tapped 1/2 inch NPT.

NotesSizes Over 75 mm/3 inch ANSI Pumps Bi-directional Rotation

Single Seals with Flush

Single Seals with Quench

Dual Seals 1. Direction of rotation is as viewed from the driver.2. For single seal counter-clockwise applications a gland plate is required with port

4 drilled. If this port is not drilled contact your local John Crane Service Centre.3. A plan 11/plan 13 flush for horizontal/vertical shafts is always recommended for

single and dual seals.4. Before starting the pump after seal fitting vent the seal chamber through the

pump’s lantern ring connection at TDC if safe to do so.5. If manual venting of the seal is required, a safe method must be used. A self-

venting installation is always the preferred option.6. For seals over 75mm/3inch the connection positions may vary for other bolting

arrangements.7. For seals other than the 5600 series follow the installation guide on page 6.

FLUSH QUENCH

FLUSH

DRAIN

OUTLET

INLET

Attention:Some gland plates will have unused connections sealed with metal plugs. As supplied, these gland plates have metal plugs fitted as follows:

Inch sizes – see relevant clockwise ANSI pump illustrations

mm sizes – see relevant clockwise DIN pump illustrations

Remaining connections are fitted with temporary plastic blanking plugs that cannot hold pressure. All plugs should be left in place until connection of the pipework. Plastic plugs must be replaced with metal plugs or appropriate fittings.

NOTE: Ensure the seal is correctly piped & plugged as shown in the relevant illustration for the particular application. Due to the wide variety of design of pumps & other machines the piping illustrations may not be valid in all cases. Consult John Crane if an alternative piping arrangement is required.

Single Seal with Flush Single Seal with Quench Dual Seal Preferred Arrangement Dual Seal Optional Arrangement

Sizes To 75 mm/3 inch DIN Pumps Counter Clockwise Rotation

Single Seal with Flush

Single Seal with Quench

Dual Seal

Sizes To 75 mm/3 inch ANSI Pumps C lockwise Rotat ionSingle Seal with Flush Single Seal with Quench Dual Seal Preferred Arrangement Dual Seal Optional Arrangement

Sizes To 75 mm /3 inch ANSI Pumps Counter Clockwise Rotation

Single Seal with Flush Single Seal with Quench

Dual Seal

NO OPTION AVAILABLE

NOTDRILLED

FLUSH

NOTDRILLED

NOTDRILLED

CLOCKWISEROTATION

DRAIN

FLUSH

NOTDRILLED

QUENCH

CLOCKWISEROTATION

PLUGGED

PLUGGED

OUTLET

INLET

CLOCKWISEROTATION

NOTDRILLED

NOTDRILLED

FLUSHNOTDRILLED

COUNTERCLOCKWISEROTATION

DRAINNOTDRILLED

FLUSHQUENCH


OUTLET

PLUGGED

PLUGGED

INLET


NOTDRILLED

FLUSH

NOTDRILLED

NOTDRILLED

CLOCKWISEROTATION

QUENCH

FLUSH

NOTDRILLED

DRAIN

CLOCKWISEROTATION

OUTLET

INLET

PLUGGED

PLUGGED

CLOCKWISEROTATION

VENT (PLUGGED)

INLET

OUTLET

PLUGGED

CLOCKWISEROTATION

NOTDRILLED

NOTDRILLED

FLUSH

NOTDRILLED


QUENCH

NOTDRILLEDFLUSH

DRAIN


OUTLET

PLUGGED

INLET

PLUGGED


3

1

24

PORTNUMBERS

BLANK PADS

STANDARD

CAST

GLAND

PLATE

45°

25°

4610, 4620P, 5610, 5610Q, 5610P, 5610D, 5610VQ, 5611, 5611Q, 5615, 5615Q, 5620, 5620P, 5620D, 5620VP, 5620V, 5625, 5625P, EZ-1, FFET, SB1, SB1A, SB2, SB2A, SBWTYPE

NOTDRILLED FLUSH

NOTDRILLED

NOTDRILLED

QUENCHFLUSH

DRAINNOTDRILLED

QUENCH

FLUSH

DRAIN

NOTDRILLED

PLUGGEDOUTLET

PLUGGEDINLET

FLUSH

NOTDRILLED

NOTDRILLED

NOTDRILLED PLUGGED

OUTLET

INLET

FLUSH QUENCH

FLUSH

DRAIN

OUTLET

INLET

NOTDRILLED

NOTDRILLED

NOTDRILLED

FLUSH

QUENCH

NOTDRILLED

FLUSH

DRAIN

OUTLET

PLUGGED

INLET

PLUGGED

OUTLET

INLET

PLUGGED

VENT (PLUGGED)

FLUSH NOTDRILLED

NOTDRILLED

NOTDRILLED

FLUSHQUENCH

NOTDRILLEDDRAIN

INLET

OUTLET

PLUGGED

PLUGGED

PLUGGED


PIT

MECHANICALSEAL

N2 FOR P53AVENT FOR P52

BY JOHN CRANEBY OTHERS

DRAIN

DPIT

DRAIN

VENT

LG

FILL LINE

<=

900m

m

NORMAL LIQUID LEVEL

COOLING COILIN/OUT (OPTIONAL)

DRAIN VALVE

10mm PER 240mm.1/2" PER FOOT MINIMUM SLOPE

0.61 TO 0.91m2 TO 3" (TYPICAL)MINIMIZE THIS DISTANCE

PIPING AND INSTALLATION(BY PURCHASER)

BARRIER/BUFFERRETURN TO RESERVOIR

BARRIER/BUFFERSUPPLY TO SEAL

DRAIN VALVE(RECOMMENDED - FURNISHED BY PURCHASER)

305

TO 7

62m

m12

TO

30"

THERMOSIPHON SYSTEM AND PIPING INSTALLATION GUIDE

Recommendat ions For G land P ip ing Seals O ther Than The 5600 Ser ies

Notes1. In a dual unpressurized arrangement the inboard seal is cooled and

lubricated by the pumped liquid at seal chamber pressure. The outboard seal is lubricated by the barrier liquid typically at atmospheric or flare pressure.

2. In a dual pressurized arrangement both seals are cooled and lubricated by the barrier liquid maintained at a pressure higher than the seal chamber pressure. This arrangement isolates the pumped liquid from the atmosphere.

A l ternat ive Terms For G land P late Por tsBuffer/Barrier inlet – I, BI, LBI

Buffer

Drain – D/Barrier outlet – O, BO, LBO

Vent – V

NOTE: Thorough venting of the seal faces is essential for long seal life. Recommendations to achieve this are shown below.

1. For single seals on a horizontal shaft the flush should be at TDC to give a self-venting seal chamber. If this is not practical then either manually vent the seal chamber using the pump’s lantern connection at TDC if it is safe to do so or drill a 5 mm / 3/16 inch hole in the pump throat bush at TDC.

2. For single seals on a vertical shaft the flush should be above the seal faces to ensure self-venting.

3. For dual seals on a horizontal shaft the barrier outlet should be at TDC to ensure self venting of the seal. If this is not practical then manually vent the seal if it is safe to do so. The seal chamber should be vented as described in paragraph 1.

4. For dual seals on a vertical shaft the barrier outlet should be above the upper seal faces to ensure self-venting. The flush connection should be above the level of the lower faces.

5. For a thermosiphon system follow the piping layout in Fig 5. A pumping ring is always recommended for use with a thermosiphon system.

Plan 52 - Dual unpressurized arrangement

Plan 53A - Dual pressurized arrangement

Table 4 – Recommended Proper t ies O f Barr ier L iquids For Dual Seals:• A good lubricant with good heat transfer properties• Clean• Compatible with the process fluid and seal materials of construction• Stable over the seal’s operating range

• Non-hazardous• A viscosity < 15 cSt (80 SSU) @ 40°C (104°F) and ideally between 1 and 10

cSt (31 to 60 SSU) @ 65°C (150°F)• A maximum viscosity of 150 cSt (680 SSU) at the minimum ambient temperature

Plan 54- Piping layout

Cooling water out

Buffer outlet

To collection system

Buffer inletNote: Tangential porting is uni-directional. Gland illustrated is for CCW rotation from drive end.

Flush[not illustrated]Buffer

outlet

Gland End View

Buffer inlet

Pumping ring

Note: A buffer fluid drain is located on the low point of the buffer inlet (not illustrated). See Best Piping Practices.

5 valve manifold

Make-up buffer liquid fill, normally closed

OrificeNormally open

Buffer liquid drain, normally closed

Cooling coils

Cooling water in

2 valve manifold

Pressure transmitter with local indicator

Level transmitter with local indicator

Level gauge

©2014 John Crane

Cooling water out

Barrier outlet

Barrier inletNote: Tangential porting is uni-directional. Gland illustrated is for CCW rotation from drive end.

Flush Barrier outlet

Gland End View

Barrier inlet

Pumping ring

Flush (when Specified)

5 valve manifold

Make-up barrier liquid fill, normally closed

OrificeNormally open

Pressure source

Barrier liquid drain, normally closed

Cooling coils

Cooling water in

2 valve manifold

Pressure transmitter with local indicator

Level transmitter with local indicator

Level gauge

Note: A barrier fluid drain is located on the low point of the barrier inlet (not illustrated). See Best Piping Practices.

©2014 John Crane

Barrier outlet

Barrier inlet

Barrier inlet

Barrier outlet

Gland End View

EXTERNALPRESSURIZEDBARRIER

SOURCE/SYSTEM

Flush, when specified

©2014 John Crane

Plan 52/53A

Piping layout

Quench – Q

Flush – F

Heating – H (applies to jacket when fitted)

Cooling – C (applies to jacket when fitted)

Fig 5

4610, 4620P, 5610, 5610Q, 5610P, 5610D, 5610VQ, 5611, 5611Q, 5615, 5615Q, 5620, 5620P, 5620D, 5620VP, 5620V, 5625, 5625P, EZ-1, FFET, SB1, SB1A, SB2, SB2A, SBWTYPE


Sea

l Ty

pe

All d

imen

tions

in m

m

D1 Size

(mm

)

4610

4620

P56

10, 5

610D

, 561

0V, 5

615

5610

Q, 5

610V

Q, 5

615Q

5611

5611

QD4

D26

L90

L91

MN

D4D2

6L9

0L9

1M

ND4

D26

L90

L91

MN

D4D2

6L9

0L9

1M

ND4

D26

L90

L91

MN

D4D2

6L9

0L9

1M

Nm

inm

axm

inm

inm

inm

axm

inm

inm

axm

inm

inm

axm

inm

inm

axm

inm

inm

axm

in24

40.0

49.2

104.

837

.532

11.1

66.7

4148

101.

650

.841

.513

.371

36.7

4810

1.6

50.8

413

.371

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.348

101.

650

.818

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101.

650

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101.

650

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2540

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.210

4.8

37.5

3211

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4810

1.6

50.8

41.5

13.3

7136

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101.

650

.84

13.3

71.2

41.3

4810

1.6

50.8

18.9

13.3

71.2

38.1

4810

1.6

50.8

23.1

13.3

71.2

41.3

4810

1.6

50.8

38.0

13.3

71.2

2844

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837

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5415

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19.8

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154

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213

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154

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3.4

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3.4

55.5

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3.4

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3.4

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3.4

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5069

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9.7

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5

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*Not

app

licab

le. C

ompl

etel

y ou

tsid

e m

ount

ed.

TY

PEIN

STA

LL

AT

ION

IN

ST

RU

CT

ION

S F

OR

PU

MP

CA

RT

RID

GE

SE

AL

S

4610

, 462

0P, 5

610,

561

0Q, 5

610P

, 561

0D, 5

610V

Q, 5

611,

56

11Q

, 561

5, 5

615Q

, 562

0, 5

620P

, 562

0D, 5

620V

P, 5

620V

, 56

25, 5

625P

, EZ-

1, F

FET,

SB

1, S

B1A

, SB

2, S

B2A

, SB

W

Sta

ndar

d B

ore

Dim

ensi

onal

Dat

a (M

etri

c)

Inst

alla

tion,

Ope

ratio

n &

Mai

nten

ance

Inst

ruct

ions

Sea

l Ty

pe

All d

imen

tions

in m

m

D1 Size

(mm

)5620

, 562

0P 5

620D

, 562

0VP,

562

5 56

25P

SB1

SBW

SB2

FFET

EZ-1

D4D2

6L9

0L9

1M

ND4

D26

L90

L91

MN

D4D2

6L9

0L9

1M

ND4

D26

L90

L91

MN

D4D2

6L9

0L9

1M

ND4

D26

L90

L91

MN

min

max

min

min

min

max

min

min

max

min

min

max

min

min

max

min

min

max

min

2441

.348

101.

650

.847

.713

.371

.2–

––

––

––

––

––

––

––

––

––

––

––

––

––

––

––

––

––

2541

.348

101.

650

.847

.713

.371

.2–

––

––

––

––

––

––

––

––

––

––

4147

.511

249

.238

1270

.0–

––

––

––

2844

.551

.210

4.8

5448

.613

.374

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––

––

––

––

––

––

––

––

4450

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649

.638

1273

.044

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.611

1.1

44.5

20.6

14.3

74.5

3046

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.510

854

48.6

13.3

79.9

––

––

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––

––

––

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–46

52.5

117

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0L9

1M

NM

in

min

max

min

min

Turn

Dia.

min

max

min

Turn

Dia.

min

max

min

Turn

Dia.

1.37

52.

875

3.02

35.

375

2.12

50.

250

0.56

24.

062

3.26

82.

875

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35.

375

2.12

50.

791

0.56

24.

062

3.26

82.

875

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35.

375

2.12

50.

688

0.56

24.

062

3.26

8

1.75

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500

3.92

56.

500

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70.

250

0.68

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093

3.88

53.

500

3.92

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744

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038

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625

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209

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2.12

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219

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687

4.26

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297

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4

2.50

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204

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5.13

94.

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698

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062

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062

5.13

9

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884

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625

4.74

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000

2.45

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062

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2.75

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58.

000

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218

0.68

76.

062

5.13

94.

750

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000

2.53

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806

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76.

062

5.13

94.

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000

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696

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76.

062

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9

Sea

l Ty

pe

All d

imen

tions

in in

ches

D1Sh

aft/

Seal

Si

ze (in)

5611

Q56

20, 5

620P

, 562

0VD,

562

0VP,

562

5, 5

625P

D4D2

6L9

0L9

1M

NM

inD4

D26

L90

L91

MN

Min

min

max

min

min

Turn

Dia.

min

max

min

Turn

Dia.

1.37

52.

875

3.02

35.

375

2.12

51.

353

0.56

24.

062

3.26

82.

875

3.02

35.

375

2.12

51.

914

0.56

24.

062

3.26

8

1.75

03.

500

3.92

56.

500

2.18

71.

626

0.68

75.

093

3.88

53.

500

3.92

56.

500

2.18

71.

995

0.68

75.

093

3.88

5

1.87

53.

625

3.73

46.

500

2.01

71.

797

0.68

75.

093

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625

3.73

46.

500

2.18

71.

995

0.68

75.

093

4.00

6

2.12

53.

875

4.25

07.

156

2.40

71.

885

0.68

75.

687

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43.

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250

2.40

72.

198

0.68

75.

687

4.26

4

2.50

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750

4.87

58.

000

2.53

22.

043

0.68

76.

062

5.13

94.

750

5.07

88.

000

2.53

22.

107

0.68

76.

062

5.00

0

2.62

54.

625

4.74

08.

000

2.45

42.

362

0.68

76.

062

**4.

625

4.74

08.

000

2.56

22.

219

0.68

76.

062

5.00

0

2.75

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4.87

58.

000

2.53

22.

284

0.68

76.

062

5.13

94.

750

4.87

58.

000

2.53

22.

312

0.68

76.

062

5.13

9

TY

PEIN

STA

LL

AT

ION

IN

ST

RU

CT

ION

S F

OR

PU

MP

CA

RT

RID

GE

SE

AL

S

*Sea

I car

trid

ge is

OD

regi

ster

ed o

n th

e Tu

rn D

ia..

of 4

.125

.**

SeaI

car

trid

ge is

OD

regi

ster

ed o

n th

e Tu

rn D

ia. o

f 5.1

25.

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eal c

artr

idge

is O

D re

gist

ered

on

the

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. of 4

.125

.**

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al c

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idge

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gist

ered

on

the

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. of 5

.125

.

* Se

al c

artr

idge

is O

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gist

ered

on

the

Turn

Dia

. of 4

.125

.**

Sea

l car

trid

ge is

OD

regi

ster

ed o

n th

e Tu

rn D

ia. o

f 5.1

25.

4610

, 462

0P, 5

610,

561

0Q, 5

610P

, 561

0D, 5

610V

Q, 5

611,

56

11Q

, 561

5, 5

615Q

, 562

0, 5

620P

, 562

0D, 5

620V

P, 5

620V

, 56

25, 5

625P

, EZ-

1, F

FET,

SB

1, S

B1A

, SB

2, S

B2A

, SB

W

Larg

e B

ore

Dim

ensi

onal

Dat

a (I

nche

s)

Larg

e B

ore

Dim

ensi

onal

Dat

a (I

nche

s)

Inst

alla

tion,

Ope

ratio

n &

Mai

nten

ance

Inst

ruct

ions

If th

e pr

oduc

ts fe

atur

ed w

ill b

e us

ed in

a p

oten

tially

dan

gero

us a

nd/o

r ha

zard

ous

proc

ess,

you

r Jo

hn C

rane

rep

rese

ntat

ive

shou

ld b

e co

nsul

ted

prio

r to

thei

r se

lect

ion

and

use.

In th

e in

tere

st o

f con

tinuo

us d

evel

opm

ent,

John

C

rane

Com

pani

es r

eser

ve th

e ri

ght t

o al

ter

desi

gns

and

spec

ifica

tions

with

out

prio

r no

tice.

It is

dan

gero

us to

sm

oke

whi

le h

andl

ing

prod

ucts

mad

e fr

om

PTF

E. O

ld a

nd n

ew P

TFE

prod

ucts

mus

t not

be

inci

nera

ted.

For

your

nea

rest

Joh

n C

rane

faci

lity,

ple

ase

cont

act

one

of t

he lo

catio

ns b

elow

.

Euro

pe

Slou

gh, U

KTe

l: +

44-1

753-

2240

00

Fax:

+44

-175

3-22

4224

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th A

mer

ica

Mor

ton

Gro

ve, I

LTe

l: +1

-847

-967

-240

0 Fa

x: +

1-84

7-96

7-39

15

Nor

th A

mer

ica

Hou

ston

, TX

Tel:

+1-7

13-9

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Fax:

+1-

713-

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8552

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eric

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zil

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x: +

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Mid

dle

East

& A

fric

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ubai

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ted

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Em

irat

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x: +

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ific

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apor

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©20

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ohn

Cra

ne

Rev

ised

08/

16

ww

w.jo

hncr

ane.

com

I-

IOM

PCA

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