ANSI swing check valve

Short Description:

Our check valves are designed and manufactured to provide maximum service life and dependability. All check valves  meet the design requirements of American Petroleum Institute Standard API600 & API6D, BS 1868, BS EN 13709 and general conform to American Society of Mechanical Engineers standard ASME B16.34. Valves are available in complete range of body/bonnet material and trims.


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Nominal Diameter :1-1/2″-12″
Nominal Pressure(Pressure Rating):125LB/ 150LB/ 300LB/ 600LB
Type Of Connection:Flange
Body: Cast Iron/ Ductile Iron/ Carbon Steel/ Stainless Steel
Bonnet: Cast Iron/ Ductile Iron/ Carbon Steel/ Stainless Steel
Disc: Cast Iron/ Ductile Iron/ Carbon Steel/ Stainless Steel
Seat: Brass/ Stainless Steel
Apply Medium:Water, Steam, Oil, Acid-Base
Face to Face: ANSI B16.10
Flange End: ANSI B16.1
Inspection and Test Standard:GB/T13927 API598

Swing check valve also known as one-way valve or check valve, its role is to prevent the medium flow back in the pipeline. The opening and closing parts open or close automatically by the medium flow and force to prevent the reverse flow of medium is called check valve. Check valve is an automatic valve, which is mainly used in the pipeline with one-way flow of medium. It only allows the medium to flow in one direction to prevent accidents. This kind of valve should be installed horizontally in the pipeline;

Swing check valve is suitable for various pipelines with nominal pressure of PN1.0MPa ~ 42.0mpa, class150-2500, nominal diameter of DN 15 ~ 1200mm, nps1 / 2 ~ 48, and working temperature of – 196 ~ 540 ℃ to prevent medium backflow. By selecting different materials (WCB, CF8 (m), CF3 (m), 1gr5mo, 15crmo1v, it can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea and other media. It is mainly used in petroleum, chemical, pharmaceutical, chemical fertilizer, electric power and other pipelines.


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