Appendix E—Parts Details for 91 and F91 Head and Valve Assembly
Head and Valve Bill of Materials
Ref
No.
Part No. Description Qty.
1.
2374 Head (model 91) 1
2374 -X Head assembly (model 91, spec 3) 1
2374 -X1 Head assembly (model 91, spec 4) 1
2. 4302
Head
(model F91, Class 300 RF flange)
1
3. 7001-037NC100A Bolt (hex head 3/8"-16 x 1-1/4") 4
4. 2-235_
a
O-ring 1
5. 2714-1 Valve cap 2
6. 2-031_
a
O-ring 2
7. 2715 Holddown screw 2
8. 3483-1X
Suction valve assembly
(aluminum, spec 3)
1
9. 3483-X
Suction valve assembly
(aluminum, spec 4)
1
10. 3485-X
Discharge valve assembly
(aluminum, all specs)
1
11. 2717 Valve gasket (aluminum) 2
12. 5000-77 Retainer ring (spec 3) 1
13. 3977
Suction valve relief housing
(spec 3)
1
14. 1411 Spring (spec 3) 1
15. 1410 Ball (spec 3) 1
16. 3483-1 Suction valve seat (spec 3) 1
17. 3972 Suction valve plate 1
18. 4009 Suction spring 1
19. 3484 Suction valve bumper 1
20. 3483 Suction valve seat (spec 4) 1
21. 3486 Discharge valve bumper 1
22. 4008 Discharge spring 1
23. 3973 Discharge valve plate 1
24. 3485 Discharge valve seat 1
a
_ denotes material code. See material code chart for
details.
b
Registered trademark of the DuPont company.
Material Code
A Buna-N
B Neoprene
®b
59
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