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Pressure Seal Check Valve, Piston, Swing

Pressure Seal Check Valves, Piston, Swing

Swing-Bolted Cover-Threaded and Socket weld Ends- Materials

Swing-Bolted Cover-Threaded and Socket weld Ends-Materials
NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Seat Ring A276 410 A276 304 A276 304(L) A276 316(L)
2 Pin A276 420 A182 F304 A182 F316
3 Pressure Ring A276 304L A276 316(L)
4 Pressure Seat A105 A182 F304 A182 F304(L) A182 F316(L)
5 Body A105 A182 F22 A182 F304(L) A182 F316(L)
6 Bonnet A105 A182 F22 A182 F304 L A182 F316(L)
7 Bolt A193 B7 A193 B16 A193 B8 A193 B8M
8 Quarter Ring A276 420 A182 F304 A182 F316
9 Pont levis A105 A182 F22 A182 F304 L A182 F316(L)
10 Hinge A105 A182 F22 A182 F304 L A182 F316(L)
11 Disc A276 420 F304 A182 F304(L) F316(L)
12 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°C~425°C -29°C~550°C -29°C~180°C

ASME Pressure Classes 900, 1500, 2500 Lb
Swing-Bolted Cover-Threaded and Socket weld Ends- 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
2500Lb 186 186 186 232 232 279
H 117 117 117 152 152 195
Weights 900~1500Lb 8.2 7.8 7.7 19.8 19.2 21.3
2500Lb 10.0 9.6 9.4 21.5 21.1 22.8

Piston- Bolted Cover -Threaded and Socket weld Ends-Materials

Piston- Bolted Cover -Threaded and Socket weld Ends-Materials
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°C~425°C -29°C~550°C -29°C~180°C

ASME Pressure Classes 900, 1500, 2500 Lb
Piston- Bolted Cover -Threaded and Socket weld Ends- 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

Piston- Bolted Cover -Flanged Ends-Materials

Piston- Bolted Cover -Flanged Ends-Materials
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 Lift Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Pressure Seat A105 F22 A182 F304(L) F316(L)
4 Pressure Ring 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°C~425°C -29°C~550°C -29°C~180°C

ASME Pressure Classes 900, 1500, 2500 Lb
Piston- Bolted Cover -Flanged Ends- Dimensions (mm) and Weights (kg)

NPS 1/2 3/4 1 1-1/4 1-1/2 2
L(RTJ) 900Lb~1500Lb 216 229 254 305 305 368
2500Lb 264 273 308 384 384 451
H 900Lb~1500Lb 117 117 117 152 152 195
2500Lb 117 117 117 152 152 195
Weights 900Lb/1500Lb 10.5 11.9 13.9 26.9 26.9 32.5
2500Lb 12.6 14.9 16.5 30.0 30.0 35.0