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API602 Forged steel high pressure check valve piston type A105 body class 800lb
Bolt bonnet piston check valve standard material specifications (Class 150Lb~800Lb)
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F11 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
| 2 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 3 | Bonnet | A105 | A182 F11 | A182 F304 L | A182 F316(L) |
| 4 | Gasket | SS + graphite | SS + graphite or PTFE | ||
| 5 | Nameplate | Aluminum | |||
| 6 | Piston Disc | A276 410 | A276 304 | A276 304(L) | A276 316(L) |
| 7 | Ball | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
| Suitable Medium | W.O.G. etc | W.O.G. etc | HNO3 etc | ||
| Suitable Temperature | -29℃~ 425℃ | -29℃~ 550℃ | -29 ℃~180℃ | ||
Note:other materials are available on request.
Bolt bonnet piston check valve dimension and weight (Class 150Lb~800Lb)
| NPS | Reduced port | 3/8" | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | ||
| Full port | 3/4" | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | |||
| L | 79 | 79 | 92 | 111 | 120 | 152 | 172 | 200 | ||
| H | 61 | 61 | 65 | 79 | 95 | 103 | 118 | 132 | ||
| Weight(kg) | Bolted bonnet | 1.4 | 1.2 | 1.5 | 3.1 | 3.9 | 5.6 | 8.9 | 12.5 | |
| Welded bonnet | 1.1 | 1 | 1.2 | 2.9 | 3.3 | 4.9 | 8.1 | 10.9 | ||
Bolt bonnet piston check valve dimension and weight (Class 900Lb~1500Lb)
| NPS | Reduced port | 3/8" | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | ||
| Full port | 3/4" | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | |||
| L | 92 | 111 | 111 | 120 | 152 | 172 | 200 | 220 | ||
| H | 65 | 79 | 79 | 97 | 104 | 120 | 139 | 215 | ||
| Weight(kg) | Bolted bonnet | 1.6 | 3.4 | 3.3 | 5.5 | 6 | 9.2 | 12.9 | 16.2 | |
| Welded bonnet | 1.3 | 3.2 | 3.1 | 4.8 | 5.4 | 8.5 | 11.2 | 14.3 | ||
For other sizes dimensions are available on request.