
铸钢法兰截止阀
STL
本体材料
尼龙
1Crl3/柔性石墨
08软钢
0Cr18Ni9Ti
OCr18Ni12Mo2Ti
增强柔性石墨
SFB-260
SFP-260
25Cr2MoV


RF
J41H
J41Y
J41W
J41F
J41N
16P
16R
16I
MFM
J41H
J41Y
J41W
J41N
40P
40R
40I
MFM
J41H
J41Y
J41W
J41N
64P
64R
64I
MFM
J41H
J41Y
J41W
100P
100R
100I
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