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KPP Series Regulators Maintenance Instructions Kit Contents Piston seal retainer Seat retainer Body seal and spring Piston seal and spring Seat Poppet damper Poppet Poppet spring Lubricant Inlet filter MS-LT-WL8 Symbols Discard Lightly lubricate...
Cap ring Torque wrench Capable of Seat retainer, 100 ft·lb (135 N·m, 13.8 m·kg) Cap ring Swagelok Tools Available Piston seal insertion tool Piston seal and spring Body seal insertion tool Body seal and spring Filter insertion tool Inlet filter...
Exploded View Cover Stem nut Handle Stem Cap ring Upper spring button Spring stabilizer Body cap Range spring Piston seal and spring Lower spring button Piston seal retainer Piston Seat retainer Piston guide Seat Body seal and spring Poppet Body Poppet spring Inlet filter Poppet damper...
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6. Push the piston out of the piston guide. WARNING Before removing a regulator from the system for service, you must • depressurize system Piston • p urge the system to remove any residual system media left in the regulator. Piston guide Disassembly 1.
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Reassembly 9. Invert the body and remove the poppet, the poppet spring, and the poppet damper. NOTICE Ensure all parts and tools are free of debris or damage. Poppet damper 11. Insert the seat into the seat retainer with the groove Poppet facing away from the seat retainer Groove...
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17. Push the piston into the piston guide. Tighten the seat assembly to 13 lb·ft (17.5 N·m, 1.8 m·kg). Piston Piston guide 18. Push the piston guide onto the body until it fully engages with the body seal and spring. Piston guide 15.
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21. Invert and thread the body into the cap assembly. Body Piston Cap assembly Tighten the cap ring to 100 ft·lb (135 N·m, 13.8 m·kg). Cap ring 23. Test the regulator for proper operation. 24. If using an antitamper nut, thread the antitamper nut onto the stem after the set outlet pressure is reached.
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