主要零件的材料說(shuō)明: 序號(hào) | 零件名稱 | 灰鑄鐵 | 鑄鋼 | 不銹耐酸鑄鋼 | 超低碳不銹耐酸鑄鋼 | Z | C | P | R | PL | RL | 1 | 閥體/閥蓋/閘板 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M | 2 | 閥桿 | 1Cr13 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 | 3 | 襯里/閥座 | PCTEF(F3)、FEP(F46)、PFA(可溶F4)、PP、PO | 4 | 填料壓蓋 | WCB | CF8 | CF8M | CF3 | CF3M | 5 | 填料 | PTFE(F4) | PTFE(F4) | PTFE(F4) | 6 | 活節(jié)螺栓 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 7 | 閥桿螺母 | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | 8 | 緊固螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | 9 | 螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 10 | 手柄 | WCB | WCB | WCB | |