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KPB Series Regulators
Maintenance Instructions
Kit Contents
Body seal and spring
Seat retainer
Tools Required
Tool
Vise
Socket
Open-ended wrench
Torque wrench
Crow's foot
Thread-locking fluid
Piston seal insertion tool
Body seal insertion tool
Poppet
Seat retainer seal
Size
—
5/8 in. or 16 mm
11/16 in. or 17 mm
13/16 in. or 21 mm
2 in. or 50 mm
Capable of
100 ft·lb (135 N·m, 13.8 m·kg)
2 in. or 50 mm
—
Tool Kit
—
—
Piston seal and spring
Seat support
Component
Body
Seat retainer
Stem nut
Piston
Cap ring
Seat retainer,
cap ring
Cap ring
Poppet retainer
Piston seal and spring
Body seal and spring
Poppet spring
Piston seal retainer
Symbols
Discard
Lightly
lubricate
NOTE:
See Pressure Regulators,
MS-02-230, for tool kit
ordering information.
Lubricant
MS-LT-WL8
Seat
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Summary of Contents for Swagelok KPB Series
- Page 1 KPB Series Regulators Maintenance Instructions Kit Contents Body seal and spring Poppet Piston seal and spring Poppet spring Lubricant MS-LT-WL8 Seat retainer Seat retainer seal Seat support Piston seal retainer Seat Tools Required Tool Size Component Vise Symbols — Body...
- Page 2 Exploded View Cover Stem nut Knob handle Cap ring Stem Upper spring button Body cap Spring stabilizer Piston seal and spring Range spring Piston seal retainer Lower spring button Poppet retainer Poppet spring Piston guide Poppet Body seal and spring Seat retainer Piston Seat...
- Page 3 6. Push the piston assembly out of the piston guide. WARNING Before removing a regulator from the system for service, you must Piston guide • depressurize the system • p urge the system to remove any residual system media left in the regulator. Disassembly Piston assembly 1. Place the regulator in a vise. 2.
- Page 4 Reassembly 10. Loosen and remove the seat retainer assembly. NOTICE NOTICE Ensure all parts and tools are free of debris or Be careful not to scratch the inside of the body. Leakage could result. damage. 11. Insert the seat, the seat support and the seat retainer seal into the seat retainer Groove Seat retainer...
- Page 5 15. Thread the poppet retainer onto the piston. 18. Push the piston assembly into the piston guide. Poppet retainer Piston guide Thread -locking Piston fluid Piston assembly 16. Wrench-tighten the piston into the poppet retainer until it is 19. Insert the bottom of the body seal insertion tool into the fully engaged.
- Page 6 Piston 23. Tighten the cap ring to 100 ft·lb (135 N·m, 13.8 m·kg). Cap ring 24. Test the regulator for proper operation. For additional information, see www.swagelok.com. Swagelok — TM Swagelok Company © 2010, 2015 Swagelok Company October 2015, R1...
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