Ductile Iron Check Valve.
Specifications:
Size: DN40-DN350.
Working Pressure: 150 PSI, PN10, PN16.
Material: Cast iron GG25 or Ductile iron GGG40, GGG50.
Suitable Temperature: -20℃ to 180℃ (Different temperature chooses different materials).
Suitable Medium: Water, Steam, Oil and natural gas, etc. (Different raw material for different medium) Cryogenic, soft seat insert design available for tight shut off where required.
Flange Swing Check Valve Technical Specifications:
1. Flange end, according to ANSI, BS, DIN, JIS, etc.
2. Face to Face: MSS SP-71, DIN 3202 F1, BS 4090, BS 5153.
3. End Flange: DIN 2543-2545, DIN 2501.
4. Inspection and Test: DIN 3230.