ITT Engineered Valves 903, Installation, Operation And Maintenance Manual

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Item Description Material Quantity
4 Wiper 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
11
*1 Compressor Bronze or stainless steel 1
12
*3 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 steel 4
19 Bonnet Polyarylsulfone 1
20 Hex nut 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 steel 4
27 Body Stainless steel 1
28
*4 Hex nut Stainless steel 4
29 V-notch vent plug Stainless steel 1
*1 Sanitary internals include a stainless steel spindle and bronze compressor.
*2 For 3–4 in. (DN80–100) sanitary internals are optional.
*3 For “T” slot connection between spindle and compressor, the spirol pin is not used.
*4 ASME grade fasteners are available on tank botton valve.
7.1 963 PAS plastic bonnet
20 Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual