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VB04 Series Process Interface Valve
Maintenance Instructions
Flange × Thread
Carefully read entire instruction before servicing the valve.
Kit Contents (contents may vary by kit)
Lock washer
Stem
Nut
Symbols
Discard
Disc spring
Seat
Handle sleeve
Flange × Flange
Seal retainer
Ball
Handle
(type may vary)
Thead × Thread
Stem seal
Body seal
Anti-rotation pin
Snap ring
(Probe only)
Slip ring
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Related Manuals for Swagelok VB04 Series
Summary of Contents for Swagelok VB04 Series
- Page 1 VB04 Series Process Interface Valve Maintenance Instructions Flange × Thread Flange × Flange Thead × Thread Carefully read entire instruction before servicing the valve. Kit Contents (contents may vary by kit) Lock washer Disc spring Seal retainer Stem seal Slip ring...
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Page 2: Tools Required
Tools Required Tool Size Component Vise — Valve body Open-ended wrench/socket End connection - determined by assembly ordered Bore Size End connection, lock nuts 9.5 mm 13 mm hex 14 mm 17 mm hex 20 mm 19 mm hex Torque wrench Capable of 1060 in·lb (119 N·m) End connection, lock nuts Plastic pick... - Page 3 Exploded View Handle sleeve Available Kits: Handle Kit: handle sleeve, nut, lock washer, and handle Seat Kit: anti-rotation pin, ball, body seal, seats, and snap ring (probe only) Lock washer Stem Kit: anti-rotation pin, ball, Handle body seal, disc spring, lock washer, seats, seal retainer, slip ring, snap Cam (locking...
- Page 4 Critical Sealing Surfaces The surfaces highlighted in red are the critical sealing surfaces. These surfaces must be free of scratches, dents, disfigurement, and debris to ensure successful maintenance and leak free performance. Stem seal Stem Body End fitting End cap Check valve Sealing surface Sealing surface...
- Page 5 • WARNING 7. Remove the bottom nut. Do not remove the stop pins. Before removing valve from system, to avoid personal injury, you must Stop pins • Depressurize the valve • Cycle the valve • Purge the valve to remove any residual system media left in the valve Disassembly 1.
- Page 6 15. Remove the body seal from the end piece. 7. Thread the string through the bore of ball. 8. Orient the ball slot with the stem tab. NOTICE Be careful not to scratch the critical sealing surfaces. Leakage could result. Stem tab Body seal Body seal...
- Page 7 18. If assembling a probe end piece, assemble the snap ring. . Assemble the seal retainer into the stem, shoulder facing down. 19. If assembling a non-flange end, assemble the anti-rotation pin into body. Seal retainer Anti-rotation pin Stem 20. Apply a heavy coat of Molykote 111 to the stem bore. 21.
- Page 8 Allow thread locking fluid to cure for 24 hours before installing the valve. Failure to do so could result in leakage. For additional information, see www.swagelok.com. Swagelok — TM Swagelok Company Molykote — TM Dow Corning Corporation Molykote is a registered trademark of Dow Corning Corporation, a wholly owned subsidiary of the Dow Chemical Company.
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