MAIN PARTS AND MATERIALS 主要零件材料
1.Body: GG25
2.Sealing Ring:Z2Cr13
3.Disc:2Cr13
4.Bonnet Gasket:08+ Flexible graphite
5.Gland:Flexible graphite
6.Bonnet:GG25
7.Plug screw:Q235
8.Limit plate:Q235
9.Screw Cap: Q235
10.Hand wheel:Q235
11.Yoke nut:ZCuZn38Mn2Pb2
12.Straight-through type forced filling oil cup:JB/T7940.1