锻钢法兰止回阀标准材质明细表
| 序号 | Part Name | CS to ASTM |
AS to ASTM |
SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 阀体 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 阀盖 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 3 | 阀瓣 | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | 铭牌 | SS | |||
| 5 | 垫片 | 316夹柔性石墨 | 316夹PTFE | ||
| 6 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 适用介质 | 水、蒸汽、油品等 | 水、蒸汽、油品等 | 硝酸、醋酸等 | ||
| 适用温度 | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | ||