van một chiều thép rèn class 1500
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Swing check valve 800LB、900LB～1500LB Standard Material Specification
| 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 | Seat | A276 410 | A276 304 | A276 304(L) | A276 316(L) |
| 3 | Swing Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 5 | Hinge | A105 | A182 F22 | A182 F304L | A182 F316(L) |
| 6 | Gasket | Corrugated SS+Graphite | SS+PTFE | ||
| 7 | Bonnet | A105 | A182 F22 | A182 F304L | A182 F316(L) |
| 8 | Bolt | A193 B7 | A193 B16 | A193 B8M | A193 B8M |
| 9 | Pin | A276 420 | A182 F304 | A182 F316 | |
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO 3 ,CH 3 OOH etc | ||
| Suitable Temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | ||
| NPS | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 1/2" | 2" | |
| L | 800Lb | 79 | 79 | 92 | 111 | 120 | 120 | 140 |
| 900Lb～1500Lb | 92 | 111 | 111 | 120 | 120 | 140 | 178 | |
| H | 800Lb | 61 | 61 | 78 | 84 | 101 | 120 | 133 |
| 900Lb～1500Lb | 79 | 79 | 79 | 97 | 105 | 120 | 140 | |
| Weight | 800Lb | 1.1 | 1.0 | 1.9 | 3.9 | 4.5 | 7.3 | 10.0 |
| 900Lb～1500Lb | 3.1 | 3.0 | 3.6 | 4.3 | 6.1 | 8.8 | 12.6 | |