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Flowserve Valtek, Installation, Operation & Maintenance Instructions Manual

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Flowserve Valtek Installation, Operation & Maintenance Instructions Manual Download Page 10

12-10

Figure 5: Plug Thread Adjustment

(Refer to Step 8 in
"Reassembly" Section)

Plug Stem
Jam Nut

Anti-rotation Pin

Bellows Seal Assembly

Bellows Seal Plug

 1/ 16-inch
1-inch to less stroke
1/ 32-inch

(See Table II)

Spring Guide Retainer
should compres
approximately 1/ 8-inch

Summary of Contents for Valtek

Page 1: ...o Modifying this product substituting non factory or infe rior parts or using maintenance procedures other than outlined could drastically affect per formance and be hazardous to personnel and equipme...

Page 2: ...m No 50 Seat Ring Item No 20 Seat Ring Gasket Item No 55 Body Item No 1 3 Remove the sleeve from the body then the seat retainer and seat ring 4 Remove the bonnet gasket seal ring gasket sleeve gasket...

Page 3: ...nnet assembly will damage the bellows seal which could cause personal injury 10 Apply air pressure above the piston to drive it to the bottom of the actuator cylinder Without rotating the plug back th...

Page 4: ...raps and the hoist 5 Remove the bonnet flange bolts or nuts 6 Remove entire bellows seal assembly plus the bonnet and plug by lifting them straight out of body WARNING If there has been a bellows fail...

Page 5: ...lows Seal Housing Item No 5 Bonnet Flange Bolting Item No 108 114 Lower Stem Guide Item No 82 83 Stem Guide Housing Item No 31 Seat Ring Item No 20 Seat Ring Gasket Item No 55 Body Item No 1 Actuator...

Page 6: ...1 8 inch gap remains between the yoke bottom and bonnet With air to open valves re tract the stem by applying air pressure to the bottom of the actuator This will allow the yoke clamp and gland flang...

Page 7: ...to the bellows stem Adjust the stroke plate so that the stem clamp points to the closed position 15 If the valve has been taken out of the line make sure the flow arrow indicates proper flow direction...

Page 8: ...the plug stem Screw the plug stem into the bellows seal stem Proper engagement of the plug stem is achieved when there is approximately 1 8 inch of space in the slot above the anti rotation pin when...

Page 9: ...6 Lower Housing Bolt Item No 110 Half Ring Item No 13 Lower Housing Flange Item No 72 Body Bolting Item No 108 114 Packing Spacers Item No 93 99 Seat Retainer Item No 30 Seat Ring Item No 20 Seat Rin...

Page 10: ...fer to Step 8 in Reassembly Section Plug Stem Jam Nut Anti rotation Pin Bellows Seal Assembly Bellows Seal Plug Stroke 1 16 inch 1 inch to less stroke stroke 1 32 inch See Table II Spring Guide Retain...

Page 11: ...h 1 Insufficient compression of housing 1 Tighten flanges or clamps until leakage lower housing gasket stops clamps or flanges 2 Worn or defective lower housing 2 Disassemble and replace lower housing...

Page 12: ...k TX Phone 281 479 9500 Fax 281 479 8511 Valtek Business Development Group Houston TX Phone 713 690 4447 Fax 713 895 7774 Valtek Philadelphia Boothwyn PA Phone 610 497 8600 Fax 610 497 6680 Valtek Con...

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