PBQ640H-1.6-DN40,PBQ640H-1.6-DN50,PBQ640H-1.6-DN65,PBQ640H-1.6-DN80,气动偏心半球阀
35CrMoA
1Cr17Ni2
1Cr17Ni2


24
六角螺母
GB/T6170-2000
Q245-A
0Cr18Ni9
0Cr18Ni9


25
填料压套

1Cr13
1Cr18Ni12Mo2Ti/1Cr18Ni9
1Cr18Ni12Mo2Ti/1Cr18Ni9


26
填料压板

WCB
0Cr18Ni9
0Cr18Ni9

01/22 12:37