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APPENDIX A: Model 1200A Pressure/Vacuum Relief Valve
ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION
ALUMINUM CARBON STEEL 316 SS
1 BODY AL (356 T6) CS (WCB) 316 SS (CF-8M)
2 NUT, HEX SS SS SS
3 WASHER, FLAT SS SS SS
4 GUIDE, STEM ALUM CS 316 SS
5 NUT, HEX JAM SS SS SS
6 LUG, LIFTING GALV CS GALV CS GALV CS
7 POST, WEATHERHOOD 316 SS 316 SS 316 SS
8 SCREEN, PRESSURE 316 SS 316 SS 316 SS
9 WEATHERHOOD ALUM CS 316 SS
10 STEM, PRESSURE 316 SS 316 SS 316 SS
11 PALLET, PRESSURE 316 SS 316 SS 316 SS
12 * DIAPHRAGM, PRESSURE FEP FEP FEP
13 PLATE, RETAINER (PRESSURE) 316 SS 316 SS 316 SS
14 WASHER, LOCK SS SS SS
15 NUT, HEX SS SS SS
16 ROD, GUIDE 316 SS 316 SS 316 SS
17 COVER AL (356 T6) CS (WCB) 316 SS (CF-8M)
18 STEM, VACUUM 316 SS 316 SS 316 SS
19 STUD SS SS SS
20 * GASKET, COVER PTFE PTFE PTFE
21 PALLET, VACUUM 316 SS 316 SS 316 SS
22 * DIAPHRAGM, VACUUM FEP FEP FEP
23 PLATE, RETAINER (VACUUM) 316 SS 316 SS 316 SS
24 SCREEN, VACUUM (OPTIONAL) 316 SS 316 SS 316 SS
25 * O-RING, PLATE PALLET FKM FKM FKM
26 WASHER, STAR SS SS SS
27 INSERT, SEAT (NOT SHOWN) N/A 316 SS N/A
28 PALLET WEIGHT (NOT SHOWN) LEAD LEAD LEAD
* = Recommended Spare Parts
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