序号 | 零件名称 | 灰铸铁 | 铸钢 | 不锈钢 | 超低碳不锈钢 | ||
Z | C | P | R | PL | RL | ||
1 | 阀体、阀盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
2 | 球 | WCB | WCB | CF8 | CF8M | CF3 | CF3M |
3 | 衬里层/阀座 | FEP(F46) PCTFE(F3)PFA(可洛性聚四氟乙烯) | |||||
4 | 填料压盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
5 | 填料 | PTFE(F4) 聚四氟乙烯 PTFE(F4)聚四氟乙烯 | |||||
6 | 螺栓 | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr18Ni9 | 1Cr18Ni9 |
7 | 螺母 | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
8 | 手柄 | WCC | WCC | WCC | WCC | WCC | WCC |