Groth 1200A - Manual (Page 10)

9
Groth Model 1220A Pressure/Vacuum Relief Valve
Fig. 9
Epoxy Vinyl Ester Resin
ITEM NAME 411-45 411-45 - PVDF 470-36 Furan
1 Body 411-45 411-45 470-36 Furan
2 Cover, Pressure 411-45 411-45 470-36 Furan
3 Stem, Pressure Alloy C276 PVDF Alloy C276 Alloy C276
4 Hex Bolt 316 SS 316 SS 316 SS 316 SS
5 Hex Nut 316 SS 316 SS 316 SS 316 SS
6 Flat Washer 316 SS 316 SS 316 SS 316 SS
7 Lock Washer 316 SS 316 SS 316 SS 316 SS
8 * Gasket Fluoropolymer Fluoropolymer Fluoropolymer Fluoropolymer
9 Pallet, Pressure 411-45 PVDF 470-36 Furan
10 * Diaphragm, Pres. FEP FEP FEP FEP
11 Ret. Plate, Pres. 411-45 PVDF 470-36 Furan
12 Hex Nut (NS) Alloy C276 Not Used Alloy C276 Alloy C276
13 Flat Washer (NS) Alloy C276 Not Used Alloy C276 Alloy C276
14 Lock Washer (NS) Alloy C26 Not Used Alloy C276 Alloy C276
15 Stem, Vacuum Alloy C276 PVDF Alloy C276 Alloy C276
16 Cover, Vacuum 411-45 411-45 470-36 Furan
17 Pallet, Vacuum 411-45 PVDF 470-36 Furan
18 * Diaphragm, Vac. FEP FEP FEP FEP
19 Ret. Plate, Vac 411-45 PVDF 470-36 Furan
20 Screen (Optional) PVC PVC PVC PVC
21 Hex Nut (NS) Not Used Fluoropolymer Not Used Not Used
* = Recommended Spare Parts
Refer to Fig. 5 & 6 on p. 6 for pallet assembly fastener information.