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Summary of Contents for Swagelok KHF Series
- Page 1 KHF Series Regulators Maintenance Instructions Kit Contents Diaphragm Poppet spring Poppet Poppet seal and spring Seat Spring retainer Poppet seal retainer Seat retainer Lubricant MS-LT-WL8 Inlet Filter Symbols Discard Lightly lubricate...
- Page 2 3/4 in. or 19 mm Seat retainer spanner Torque wrench Capable of Cap ring spanner 236 ft·lb (320 N·m, 32.7 m·kg) Swagelok Tools Available Large cap ring spanner 2 7/8 in. or 73 mm Cap ring Seat retainer spanner Seat retainer...
- Page 3 Exploded View Stem Cover Spring button Stem nut Spring stabilizer Range spring Handle Stop plate Diaphragm Cap ring Seat retainer Body cap Seat Poppet Body Inlet filter Spring retainer Poppet spring Poppet seal retainer Poppet seal and spring Note: Plated steel spring buttons shown. Assemblies with the 316 SS spring buttons do not include the spring stabilizer.
- Page 4 6. Use the seat retainer spanner to loosen and remove the WARNING seat assembly. Discard the seat retainer and the seat. Before removing a regulator from the system for service, you must Seat retainer • depressurize system Seat • purge the system to remove any residual Seat retainer spanner system media left in the regulator.
- Page 5 Reassembly 14. Invert the body and thread the seat assembly into the body. NOTICE Ensure all parts and tools are free of debris or damage. Body Insert the inlet filter into the inlet (marked ‘HP’) of the body using the filter insertion tool. NOTICE Do not insert the inlet filter with a sharp tool.
- Page 6 21. If using an antitamper nut, thread the antitamper nut onto the stem after the set outlet pressure is reached. Tighten the nut to 13 ft·lb (17.5 N·m, 1.8 m·kg). For additional information, see www.swagelok.com. Swagelok — TM Swagelok Company © 2010-2019 Swagelok Company...
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