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Seal retainer

Stem seal

Fire seal

Gland bushing

Carefully read entire instruction before servicing valve. 

Kit Contents (contents may vary by kit)

VB03 Series Process Interface Valve

Maintenance Instructions

Wave spring 

(25 mm and 38 mm)

Disc spring (2)

Slip ring

Gland bolt (2)

Stem

Seat (2)

Body seal

Ball

Hex head screw

Washer

Spring (50 mm) (2)

Handle sleeve

Handle  

(type may vary)

Symbols

Discard

Summary of Contents for VB03 Series

Page 1: ...vicing valve Kit Contents contents may vary by kit VB03 Series Process Interface Valve Maintenance Instructions Wave spring 25 mm and 38 mm Disc spring 2 Slip ring Gland bolt 2 Stem Seat 2 Body seal B...

Page 2: ...ew Gland Bolts Flange Bolts 25 mm 13 mm 6 mm hex 14 mm hex 38 mm 13 mm 6 mm hex 14 mm hex 50 mm 17 mm 8 mm hex 17 mm hex Torque wrench Capable of 1200 in lb 135 N m Hex head screw gland bolts and flan...

Page 3: ...s slip ring stem ball body seal seats and springs 50 mm only Available Flanges Cam locking cam version Washer Hex head screw Handle Bolted gland Locking handle version will have tab Wave spring Gland...

Page 4: ...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 4 B...

Page 5: ...al from the body with a plastic pic WARNING Before removing valve from system to avoid personal injury you must Depressurize the valve Cycle the valve Purge the valve to remove any residual system med...

Page 6: ...with the stem NOTICE Ensure the ball does not fall into the body or the ball could be scratched Leakage could result 12 Ensure both springs are seated in the spring pockets 50 mm bore only 13 Apply a...

Page 7: ...ch other Failure to maintain the correct distance could result in increased torque 40 Apply a light coat of Molykote G Rapid Plus to the ID of the bolted gland 41 Assemble the gland bushing over the s...

Page 8: ...rque the hex head screw to 120 to 180 in lb 13 6 to 20 3 N m 51 Open and close the valve several times to inspect for smooth actuation 52 Test each valve for proper operation and leak tight integrity...

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