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Swagelok
®
SK Series Ball Valve
Service Instructions
Seat Seal Kit Contents
Seat spring ()
Seat O-ring ()
Stem and Seat Seal Kit -
Stem backup
Chamfered
backup ring
ring
Tools Required
Part
Bench vise
Valve body
Open-end wrench
Panel Nut
Open-end wrench
Open-end wrench
End screw
Crow's foot
Socket
Packing bolt
Socket
Packing bolt,
Torque wrench
end screw
Gland
Handle
Hex Key
Symbol
Discard
Seat backup
Seat ()
includes Seat Seal Kit contents and the following:
Stem O-ring
Tool
Pick
End screw
ring (4)
gasket ()
Stem thrust
washer
Size
—
1 5/16 in.
1 in.
/4 in.
/4 in.
/4 in.
/8 in.
Capable of
600 in.·lb (67.8 N·m,
691 cm·kg)
—
/ in.
Gland
assembly tool
Lubricant with MSDS
Packing bolt
gasket
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Summary of Contents for Swagelok SK Series
- Page 1 Swagelok ® SK Series Ball Valve Service Instructions Seat Seal Kit Contents Seat backup End screw Gland Seat spring () Seat () Seat O-ring () ring (4) gasket () assembly tool Lubricant with MSDS Stem and Seat Seal Kit -...
- Page 2 Exploded View Handle Set screw Packing bolt Stem thrust washer Chamfered backup ring Stem backup ring Stem O-ring Stem Packing bolt gasket Panel nut Ball End screw gasket () Valve body Seat () Seat gland () Seat spring () Seat End screw () O-ring Seat...
- Page 3 CAUTION WARNING All parts must be kept clean and lint-free. Before removing a valve from the system for Contamination of the parts will cause service, you must leakage. • depressurize system • cycle the valve WARNING Residual system media may be left in the valve.
- Page 4 Stem Seal Maintenance 1. Remove valve assembly from vise and hold with the open end facing downward. Note: Whenever removing the valve from the system and 14. Ensure the end screw gasket is resting on the not performing seat seal maintenance, secure the sealing surface of the end screw.
- Page 5 Stem Seal Maintenance Reassembly 6. Wipe packing bolt and stem clean with a lint-free Ball slot Stem tang cloth. 7. Apply a thin film of lubricant to the stem thrust washer and stem O-ring. Place parts on stem in order and orientation shown. Note: If also performing seat seal maintenance on the Stem thrust washer removed end screw, follow step 5 of Seat Seal...
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Page 6: Tools Required
Set screw Larger stem flat Logo side 4. Thread the set screw into the handle and tighten with a hex key. 5. Test the valve for proper operation. Swagelok—TM Swagelok Company © 007, 008 Swagelok Company May 008, R1 MS-CRD-010...
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