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Installation, Operation

and Maintenance Manual

Handwheel Operated Valves (903, 913, 963)

Designed and Manufactured by ITT

IOM.HWO.ASCO.en-US.2017-11

Содержание 903

Страница 1: ...Installation Operation and Maintenance Manual Handwheel Operated Valves 903 913 963 Designed and Manufactured by ITT IOM HWO ASCO en US 2017 11 ...

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Страница 3: ...onnet description 5 Valve diaphragm identification 5 Installation 7 Install the valve and topworks 7 Tighten the bonnet fasteners 7 Fastener torque table for valve body to topworks 8 the travel stop 9 Operation 10 Topworks operation 10 Operate the Adjustable Open Stop 10 Maintenance 12 Precautions 12 Inspection 12 Lubrication requirements 12 Disassemble the valve 12 Replace the valve diaphragm 13 ...

Страница 4: ...manufactured using good workmanship and materials and meets all applicable industry standards This product should be used only as recommended by ITT or ASCO WARNING Misapplication of the valve can result in injury or property damage Select valves and valve components of the proper materials and make sure that they are consistent with your specific performance requirements Incorrect application of ...

Страница 5: ...ion Never operate the product without the contact guard installed Do not hang items from the product Any accessories must be firmly or permanently attached Do not use the product as a step or hand hold Do not paint over the identification tag warnings notices or other identification marks associated with the product Maintenance safety precautions Be aware of these safety precautions when performin...

Страница 6: ...bill 3 Do not lift or pull on the electrical conduit lines Doing so may cause the POC switches to come out of calibration Storage disposal and return requirements Storage If you are not immediately installing the product after delivery store it as follows Store the product in a dry room that maintains a constant temperature Make sure that the products are not stacked on top of one another Disposal...

Страница 7: ...3S PAS plastic sealed bonnet with rising handwheel and travel stop Bonnet description Non Sealed bonnet The non sealed bonnet has a weep hole that indicates a diaphragm failure by allowing process fluid that accumulates in the bonnet to pass through the hole Sealed bonnet The sealed bonnet uses a special V notch vent plug which permits leak detection Figure 1 Weep hole and V notch vent plug Valve ...

Страница 8: ...stallation Operation and Maintenance Manual 6 1 Date code 2 Supplier code Figure 2 Elastomer diaphragm front 1 Valve size 2 Grade of diaphragm Figure 3 Elastomer diaphragm back 1 Material code 2 Date code Figure 4 PTFE diaphragm Designed and Manufactured by ITT ...

Страница 9: ...purge the valve with an inert gas 2 Install the valve Install with the raised hash marks castings or small machined dots forgings on the valve body at the 12 o clock position to achieve the optimum drain angle 3 Prior to pressurization with the valve slightly open tighten the bonnet fasteners For more information see Tighten the bonnet fasteners page 7 4 Cycle the valve two to three times to verif...

Страница 10: ...5 7 9 20 50 2 3 5 7 1 00 25 45 80 5 1 9 1 25 70 2 8 7 9 1 50 40 145 170 16 19 75 130 8 5 14 7 2 00 50 225 275 25 31 100 180 11 20 2 50 65 500 830 57 94 300 420 34 48 3 00 80 500 830 57 94 300 420 34 48 4 00 100 200 575 23 65 180 220 20 25 Table 2 Metal bonnet 903 913 Values given are for lubricated fasteners Valve size PTFE diaphragm Elastomer diaphragm Inch DN in lb N m in lb N m 0 50 15 25 80 2 ...

Страница 11: ... side of the valve and install a venting rubber or plastic tube 4 Hold the tube in a container of water 5 Turn the handwheel closed until the leakage stops Air bubbles indicate leakage 6 Adjust the travel stop nut tight against the spacer 7 If you do not have a fixture then follow the steps below a Loosen the lock nut b Turn the handwheel clockwise until you feel the initial resistance of the diap...

Страница 12: ...clockwise rotation of the handwheel Valve size Stem travel Number of turns Inch DN Inch mm 0 50 15 0 25 6 4 2 0 75 20 0 38 9 5 3 1 00 25 0 50 13 4 1 25 and 1 50 32 and 40 0 81 21 4 88 2 00 50 1 12 29 6 75 2 50 65 1 61 41 8 12 3 00 80 1 61 41 8 12 4 00 100 2 12 54 10 62 Operate the Adjustable Open Stop Item Description 1 Bonnet assembly 2 Handwheel 3 Cap 4 Nut 5 Capscrew 1 Bonnet assembly should be...

Страница 13: ...se until the lower end is flush with the underside of cap 4 Turn handwheel until it is in the desired open position 5 Turn capscrew clockwise until its lower end is in contact with the top of the stem of the bonnet assembly 6 Turn the nut clockwise tight against the top of the cap Opening stop is now set Designed and Manufactured by ITT ...

Страница 14: ...g 2 3 turns to check Replace the valve diaphragm Topworks Spindle binding excessive noise or dried lubricant Lubricate the topworks Diaphragm and valve body Leakage between the diaphragm and valve body Tighten the bonnet fasteners For more information see Replace the valve diaphragm page 13 Lubrication requirements page 12 Tighten the bonnet fasteners page 7 Lubrication requirements Lubrication sc...

Страница 15: ... in size and grade to the original diaphragm 3 If replacing a PTFE diaphragm then follow these steps a Install the new elastomer backing cushion over the tube nut b Invert the PTFE diaphragm by pressing the center of the diaphragm face with your thumbs while holding the edge of the diaphragm with your fingers c Engage the threads of the diaphragm into the tube nut by rotating clockwise d Continue ...

Страница 16: ...nough to permit the flange area of the diaphragm to rest flat against the flange area of the bonnet 8 Replace the topworks assembly on the body and tighten the bonnet fasteners For more information see Tighten the bonnet fasteners page 7 9 Set the travel stop For more information see the travel stop page 9 Change the diaphragm type 1 Remove the bonnet nuts and lift off the bonnet 2 Remove the plas...

Страница 17: ... a Remove the bonnet nuts and lift off the bonnet b Remove the plastic cap and travel stop nut c Loosen the handwheel setscrews and remove the handwheel from the bonnet d Remove the diaphragm spindle and bushing assembly by withdrawing it through the bottom of the bonnet 2 Remove o ring 1 from the groove in the bushing outside diameter Figure 5 O rings for 0 50 2 00 inch DN 15 50 valve 1 O ring 1 ...

Страница 18: ... 50 15 445 x 063 107 0 75 20 571 x 063 109 1 00 25 634 x 063 110 1 25 32 119 112 1 50 40 119 112 2 00 50 119 112 2 50 65 218 209 212 3 00 80 218 209 212 4 00 100 220 210 214 8 Remove the masking tape from the stem threads 9 Screw the diaphragm and spindle assembly into the bushing 10 Install the diaphragm spindle and bushing assembly into the bonnet Verify that the shim washer is installed 11 Inst...

Страница 19: ...3 Installation Operation and Maintenance Manual 17 Parts Listing and Cross Sectional Drawings 963 PAS plastic bonnet List of parts Figure 7 Figure 8 Bonnet and bolting detail for fabrications with studs Figure 9 V notch vent plug for sealed bonnet Designed and Manufactured by ITT ...

Страница 20: ... seal Viton Polyolefin foam 1 5 O ring Viton 1 6 Screw Stainless steel 1 or 2 7 O ring Viton 1 8 O ring Viton 1 9 Thrust bearing Polyethylene As required 10 Bushing Brass 1 112 Compressor Bronze or stainless steel 1 123 Spirol pin Silicone 1 13 Tube nut Brass 1 14 Backing cushion EPDM 1 15 Diaphragm PTFE 1 16 Metal body Stainless steel 1 17 Cap screw Stainless steel 4 18 Plain washer Stainless ste...

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Страница 22: ...nf servicedients emerson com Italy 39 02 95037010 ANS AFTERSALES Emerson com Netherlands 31332777805 info asco nl emerson com Spain 34 942 876 101 ventas ane emerson com Germany Tel 49 7237 996 100 AND Sales emerson com ASCO 2019 ITT Corporation The original instruction is inEnglish All non English instructions are translations ofthe original instruction Designed and Manufactured by ITT EMERSON IO...

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