序号 |
零件名称 |
灰铸铁 |
碳钢 |
不锈钢 |
超低碳不锈钢 |
||
|
|
Z |
C |
P |
R |
PL |
RL |
1 |
上、下阀体 |
HT250 |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
2 |
蝶板轴/销 |
1Cr13 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
00Cr18Ni10 |
00Cr18Ni14Mo2 |
3 |
衬里层/阀座 |
PTFE(F4);PCTFE(F3);FEP(F46);PFA(可溶F4);PO(聚烯烃) |
|||||
4 |
蝶板/填料压盖 |
WCB |
WCB |
CF8M |
CF8M |
CF3 |
CF3M |
5 |
支架 |
WCB |
CF8 |
||||
6 |
填料 |
PTFE(F4) |
|||||
7 |
螺栓 |
35 |
35 |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
8 |
螺母 |
45 |
45 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |