ITT Engineered Valves 903 Installation, Operation And Maintenance Manual Download Page 1 | Manualshive

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Installation, Operation, and
Maintenance Manual

Handwheel Operated Valves (903, 913, 963)

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Summary of Contents for Engineered Valves 903

Page 1: ...Installation Operation and Maintenance Manual Handwheel Operated Valves 903 913 963...

Page 2: ......

Page 3: ...4 2 Tighten the bonnet fasteners 8 4 2 1 Fastener torque table for valve body to topworks 9 4 3 Set the travel stop 10 5 Operation 11 5 1 Topworks operation 11 5 2 Operate the Adjustable Open Stop 11...

Page 4: ...andards This product should be used only as recommended by ITT WARNING Misapplication of the valve can result in injury or property damage Select valves and valve components of the proper materials an...

Page 5: ...ation 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 h...

Page 6: ...use cheater bars to operate manual valves Damage to the valve or personal injury could result 1 2 User health and safety 4 Handwheel Operated Valves 903 913 963 Installation Operation and Maintenance...

Page 7: ...come out of calibration 2 2 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 m...

Page 8: ...led 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 v...

Page 9: ...ragm front 1 Valve size 2 Grade of diaphragm Figure 3 Elastomer diaphragm back 1 Material code 2 Date code Figure 4 PTFE diaphragm 3 3 Valve diaphragm identification Handwheel Operated Valves 903 913...

Page 10: ...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 pre...

Page 11: ...ricated fasteners Valve size inches DN PTFE diaphragm Elastomer diaphragm Inches DN in lb N m in lb N m 0 50 15 20 50 2 3 5 7 20 40 2 3 4 5 0 75 20 40 70 4 5 7 9 20 50 2 3 5 7 1 00 25 45 80 5 1 9 1 25...

Page 12: ...pressure equal to the system operating pressure to one side of the valve 3 Cap the other side of the valve and install a venting rubber or plastic tube 4 Hold the tube in a container of water 5 Turn...

Page 13: ...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 5 2 Operate the Adjustable Open Stop 1 2 3 4 5 Item Description 1...

Page 14: ...til its lower end is in contact with the top of the stem of the bonnet as sembly 6 Turn the nut clockwise tight against the top of the cap Opening stop is now set 5 2 Operate the Adjustable Open Stop...

Page 15: ...vent plug 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 v...

Page 16: ...ould be identical 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 di...

Page 17: ...e align 7 Rotate the handwheel counterclockwise just enough 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 an...

Page 18: ...Install the new compressor If the compressor to spindle connec tion is a Then Spring pin Locate the new compressor on the spindle and drive in the spring pin T slot Slide the new compressor onto the s...

Page 19: ...ushing and spindle 2 5 6 80 150 Lubricate o rings 2 and 4 and insert them into the grooves in the spindle plug Select the proper o rings for the valve size Valve size inches DN O ring 1 O ring 2 O rin...

Page 20: ...ve size inches DN O ring 3 0 50 15 118 0 75 20 119 1 00 25 121 1 25 32 122 1 50 40 122 2 00 50 122 2 50 65 128 3 00 80 128 4 00 100 130 6 7 Replace the o rings 18 Handwheel Operated Valves 903 913 963...

Page 21: ...and bolting detail for fabrications with studs 29 Figure 9 V notch vent plug for sealed bonnet Item Description Material Quantity 1 Spindle Stainless steel 0 5 2 in DN15 50 Carbon steel 3 4 in DN80 10...

Page 22: ...Stainless steel 4 21 Nut cover cap Polyarylsulfone 4 22 Shim washer Polyethylene As required 23 Handwheel Polyarylsulfone 1 24 Cap Polyphenylsulfone 1 25 Stud Stainless steel 4 26 Spacer Stainless st...

Page 23: ...tion www engvalves com ITT Engineered Valves 33 Centerville Road Lancaster PA 17603 USA 2022 ITT Inc or its wholly owned subsidiaries The original instruction is in English All non English instruction...

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