Y-pattern piston check valve 800LB 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 | Piston | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 3 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 4 | Nameplate | SS | |||
| 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 | Conv. | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |
| Full | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | ||
| L | 98 | 98 | 110 | 120 | 140 | 140 | 170 | 200 | |
| H | 85 | 85 | 95 | 105 | 114 | 114 | 132 | 145 | |
| Weight | 3.1 | 3.0 | 3.7 | 6.5 | 8.5 | 8.0 | 10.9 | 12.5 | |