Standard:
Nominal pressure: 1.0-2.5MPa Working temp.:0-120 Celsius Degree.
Flanged end:GB/T17241.6 GB9113, Nominal diameter: 50-400mm
Service:water,oils,gas etc.. Inspection and test:GB 13927 API 598
Size: DN50-DN600
Material:
1 Body: Grey cast iron,ductile cast iron,cast steel
2 Disc:Ductile cast iron packed with rubber or EDPM outside
3 Bolt: Carbonized treatment
4 Gasket: Buna-N rubber or EDPM
5 Cover: Grey cast iron,ductile cast iron,cast steel
6 Stem: tainless steel
7 O-ring: Buna-N rubber or EPDM
8 Thrust: bearing Gunmetals
9 Bolt: Stainless steel
10 Gland: ductile cast iron,cast steel
11 Dust proof gasket: Buna-N rubber
12 Handwheel: (transmission cap) Cast iron
2 Disc:Ductile cast iron packed with rubber or EDPM outside
3 Bolt: Carbonized treatment
4 Gasket: Buna-N rubber or EDPM
5 Cover: Grey cast iron,ductile cast iron,cast steel
6 Stem: tainless steel
7 O-ring: Buna-N rubber or EPDM
8 Thrust: bearing Gunmetals
9 Bolt: Stainless steel
10 Gland: ductile cast iron,cast steel
11 Dust proof gasket: Buna-N rubber
12 Handwheel: (transmission cap) Cast iron
