Specification |
Media: Water, Gas, Oil;
Temperature: Depends on The Different Material;
Material: A216 Wcb, Other Materials Are Also Available;
Connection Form: Lug;
Structure: Double Disc;
Pressure: Depends on The Different Material;
Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence;
Sealing Form: Metal or Soft;
Flow Direction: Unidirection;
Standard: API6d API594;
Application: Industrial Usage, Water Industrial Usage;
Size: 2''-54'';
Test Standard: API598;
Design Standard: API594, API6d, ASME B 16.34;
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Media: Oil, Water ,Gas,Acid;
Temperature: -20-350ºC;
Material: Stainless Steel;
Connection Form: Flange;
Structure: Swing;
Pressure: Pn16-64;
Function: Ddcv Double Lobe, Nrvr Silence;
Sealing Form: Metal Seal;
Flow Direction: Reversing;
Standard: GB;
Application: Industrial Usage, Water Industrial Usage;
Size: DN 15-DN750;
Design: GB/T 12236;
Preeeure-Temperature Rating: GB/T 12224;
Face to Face: GB/T 12221;
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Media: Water;
Temperature: Ordinary Temperature;
Material: Carbon Steel;
Connection Form: Flange;
Pressure: Ordinary Pressure;
Standard: ANSI BS DIN JIS;
Seat Material: Stainless Steel;
Power: Hydraulic;
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Media: Oil, Water ,Gas,Acid;
Temperature: -20-350ºC;
Material: Stainless Steel;
Connection Form: Flange;
Structure: Swing;
Pressure: Pn16-64;
Function: Ddcv Double Lobe, Nrvr Silence;
Sealing Form: Metal Seal;
Flow Direction: Reversing;
Standard: GB;
Application: Industrial Usage, Water Industrial Usage;
Size: DN 15-DN750;
Design: GB/T 12236;
Preeeure-Temperature Rating: GB/T 12224;
Face to Face: GB/T 12221;
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Media: Water;
Temperature: Low Temperature;
Material: SS304 SS316;
Connection Form: BSPP NPT BSPT;
Structure: Swing Check Valve;
Pressure: Ordinary Pressure;
Function: Backflow Prevention;
Sealing Form: Hard Sealing;
Flow Direction: Unidirection;
Standard: GB;
Application: Industrial Usage, Water Industrial Usage;
Open Means: Automatic;
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