Swagelok IPT Series Istruzioni operative

CRD 0227 Kit Contents

IPT Series Ball-Seal and Soft-Seal Poppet

Check Valve

Service Instructions

➀A gasket is only used in assemblies with an FK end fitting.

Kit Contents

This kit contains the parts shown below.

Cone RingBall-Seal

Poppet

Soft-Seal

Poppet

Cover Spring Gasket➀

Tools Required

Part Size/Type Tool

Valve body —

Gland nut

See Table 1

Capable of 320 ft·lb (434 N·m)

See Table 1

Poppet —

Poppet

Cover/cone ring and

gland nut threads

Christo-Lube®MCG 111

Moly-Lit™anti-seize

Bench vise

Open-end wrench

(removal only)

Torque wrench

Crow’s foot adapter

Dowel rod

Lubricants/fluids

End Connection End Connection Size (in.) Gland Nut Hex Size (in.)

Female Cone

and Thread

Medium-Pressure

1/4 7/8

3/8 7/8

9/16 1 3/8

3/4 1 3/8

11 3/4

Female Cone

and Thread

High-Pressure

1/4 7/8

3/8 1 1/8

9/16 1 3/8

Female NPT

1/8 5/8

1/4 3/4

3/8 1

1/2 1 3/8

3/4 1 1/2

11 3/4

FK Series

Medium-Pressure

1/4 3/4

3/8 1 3/8

1/2 1 3/8

9/16 1 3/8

3/4 1 7/8

Table 1

Exploded View

*Bold indicates kit component.

Soft-Seal Poppet Check Valve Components

Gland nut Check valve body

Gasket

(FK ends only)

Cone ring

Cover

Poppet

assembly

Spring

Assembly

with NPT end

connections

only

Gland nut Check valve body

Gasket

(FK ends only)

Cone ring

Cover

Poppet

assembly

Spring

Ball-Seal Poppet Check Valve Components

Assembly

with cone and

thread or FK

series end

connections

Assembly

with NPT end

connections

only

Assembly

with cone and

thread or FK

series end

connections

Reassembly

1. Insert the spring into the larger hole of the body.

Disassembly

1. Remove the valve from the system, by removing

both of the end connections, with a backup wrench

on the gland nut.

2. Place the valve body in a vise.

•WARNING

Before removing the valve from service,

to avoid personal injury, you must:

• Depressurize the system

• Cycle the valve

• Purge the system to remove any residual

system media left in the valve

NOTICE

Do not scratch any sealing surfaces while

following these instructions. Scratches

on sealing surfaces may affect valve

performance.

3. Remove the gland nut using an open-end wrench.

4. Remove and discard the following components:

gasket (if applicable), cover/cone ring, poppet, and

spring.

5. Clean the valve body and gland nut. Ensure that the

threads are not damaged or galled.

#2 Disassembly

2. Lube the O-ring and the poppet assembly lightly

with Christo-Lube®MCG 111 lubricant applied to

the entire largest outer diameter (OD) surface of

the poppet. Assemble into the body on top of the

spring. For a ball seal, make sure the round ball part

is facing upward. For a soft seal, make sure that the

end with the O-ring faces away from the spring.

3. Ensure the poppet moves freely inside the body by

pushing down on the poppet with the dowel rod.

4. For assemblies with cone and thread or FK series

end connections, lube the external angles of the

cover by applying Moly-Lit™anti-seize lubricant

lightly.

For assemblies with NPT end connections, lube the

external angles of the cone ring by applying Moly-Lit

anti-seize lubricant lightly.

Gland nut

Wrench

Gasket

Cover/

Cone ring

Poppet

Spring

Dowel rod

Poppet

Light Moly-Lit anti-seize

lubricant

Light Moly-Lit

anti-seize lubricant

Light Christo-lube

MCG 111

lubricant

(Shown: ball-seal poppet

for cone and thread or

FK series end connection) Poppet

Spring

For additional information, see swagelok.com.

Swagelok — TM Swagelok Company

Christo-Lube — TM ECLI Products, LLC

Moly-Lit — TM Anti-Seize Technology

January 20222, Rev-

MS-CRD-0227

7. Lube the gland nut threads by applying Moly-Lit

anti-seize lubricant liberally. Assemble it nger-tight

into the body.

End

Connection

End

Connection

Size

(in.)

Gland Nut Torque Values

316➁and Alloy 2507

Required Torque

ft·lb (N·m)

Female Cone

and Thread

Medium-

Pressure

1/4 55 to 60 (74.5 to 81.3)

3/8 55 to 60 (74.5 to 81.3)

9/16 220 to 240 (298 to 325)➀

3/4 220 to 240 (298 to 325)

1 280 to 320 (380 to 434)

Female Cone

and Thread

High-Pressure

1/4 55 to 60 (74.5 to 81.3)

3/8 65 to 70 (88.1 to 94.9)

9/16 220 to 240 (298 to 325)

Female NPT

1/8 35 to 40 (47.5 to 54.2)

1/4 40 to 45 (54.2 to 61.0)

3/8 55 to 60 (74.5 to 81.3)

1/2 220 to 240 (298 to 325)

3/4 220 to 240 (298 to 325)

1 280 to 320 (380 to 434)

FK Series

1/4 40 to 45 (54.2 to 61.0)

3/8 190 to 210 (258 to 285)

1/2 190 to 210 (258 to 285)

9/16 190 to 210 (258 to 285)

3/4 280 to 320 (380 to 434)

Table 2

➀ For information on NACE material, contact your authorized Swagelok

sales and service center.

➁ Torque values do not apply to 316 stainless steel NACE material.

5. For assemblies with FK series end connection only:

Assemble the gasket onto OD of the cover.

6. Assemble the cover or cone ring into the body.

Ensure that the edge of the hole in the cover or

cone ring sits against the poppet ball (for ball-seal

design) or against the O-ring (for soft-seal design). 8. Torque the gland nut according to Table 2.

9. Using the dowel rod, tap the back of the poppet

assembly through the outlet in the body to properly

set the poppet.

10. Wipe off any excess lubricant.

Gasket

Cover

Cover Poppet

Liberal Moly-Lit anti-seize

lubricant

Gland nut

Dowel rod

Outlet

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