Specification |
Media: Water, Steam, Natural Gas, Liquid Petroleum Produc;
Temperature: Ordinary Temperature;
Material: Cast Steel;
Connection Form: Flange;
Structure: Swing;
Pressure: Ordinary Temperature;
Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence;
Sealing Form: Wedge Check Valve;
Flow Direction: Unidirection;
Standard: GOST/ ANSI/DIN/GB;
Application: Industrial Usage, Water Industrial Usage, Household Usage;
Body Material: Wcb Steel 20;
Bonet Material: Wcb Steel 20;
Disc Maerial: Wcb/Stainless Steel;
Seal: Stainless Steel;
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Media: Oil/Water/H2s, Oil;
Temperature: High Temperature;
Connection Form: as Required;
Structure: Angle, as Required;
Function: Pipe Line;
Standard: API 6A;
Application: Industrial Usage, Water Industrial Usage, Household Usage, Oil Production;
Delivery: 20days;
Power: Manual;
Port Size: 1 13/16"~7 1/16";
Standard or Nonstandard: Standard;
Temperature of Media: High Temperature, Low Temperature, Medium Temperat;
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Media: Oil/Water/H2s, Oil;
Temperature: High Temperature;
Connection Form: as Required;
Structure: Angle, as Required;
Function: Pipe Line;
Standard: API 6A;
Application: Industrial Usage, Water Industrial Usage, Household Usage, Oil Production;
Delivery: 20days;
Power: Manual;
Port Size: 1 13/16"~7 1/16";
Standard or Nonstandard: Standard;
Temperature of Media: High Temperature, Low Temperature, Medium Temperat;
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Material: Wcb, Lcb, CF8, CF8m, CF3m, Wc6, C5, C12;
Connection Form: Wafer;
Structure: Swing;
Pressure: Ordinary Pressure;
Function: Stop Flow Back;
Sealing Form: Metal Seal;
Flow Direction: Bidirectional;
Standard: ANSI;
Application: Industrial Usage;
Size: Nps 2"~40";
Pressure Rating: Class 150~1500;
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Media: Oil/Water/H2s, Oil;
Temperature: High Temperature;
Connection Form: as Required;
Structure: Angle, as Required;
Function: Pipe Line;
Standard: API 6A;
Application: Industrial Usage, Water Industrial Usage, Household Usage, Oil Production;
Delivery: 20days;
Power: Manual;
Port Size: 1 13/16"~7 1/16";
Standard or Nonstandard: Standard;
Temperature of Media: High Temperature, Low Temperature, Medium Temperat;
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