PRESSURE-SEAL PISTON CHECK VALVE
A. PRESSURE-SEAL PISTON CHECK VALVE BRIEF FIGURE OF STRUCTURE
Pressure-Seal Piston Check Valves 900b~2500Lb
Pressure-Seal Piston Check Valves 900b~2500Lb

B. PRESSURE-SEAL PISTON CHECK VALVE STANDARD MATERIAL SPECIFICATIONS

NO.
Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Life Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Sealing Seat A105 F22 A182 F304(L) F316(L)
4 Pressure Ring 08F 08F A276 304L A276 316L
5 Retaining Nut A194 2H A194 4 A194 8 A194 8M
6 P.S. Lock Nut A194 2H A194 4 A194 8 A194 8M
Suitable Medium W.O.G. etc W.O.G. etc HNO3,CH3OOH etc
Suitable Temperature -29℃~425℃ -29℃~550℃ -29℃~180℃
Note: Other materials are available upon request.

C. PRESSURE-SEAL PISTON CHECK VALVE DIMENSIONS (MM) AND WEIGHTS (KG)

NPS
1/2 3/4 1 1-1/4 1-1/2 2
L 900~1500Lb 140 140 140 178 178 216
250Lb 186 186 186 232 232 279
H 117 117 117 152 152 195
Weights 900~1500Lb 7.5 7.0 6.8 18.5 18.1 20.3
2500Lb 9.0 7.6 8.4 19.5 20.1 21.8

The technical data subject to amend without notice