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Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa Featured Image
  • Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa
  • Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa
  • Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa

Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa


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Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa Detail:

Product Detail

Size & Pressure Rating & Standard
Size DN50-DN600
Pressure Rating PN6，PN10, PN16, CL150-600
Face to Face STD API609, BS5155, DIN3202, ISO5752
Connection STD PN6, PN10, PN16, DIN 2501 PN6/10/16, BS5155
   
Material
Body Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy.
Disc DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA
Stem/Shaft SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
Seat NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA

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Product Advantage

Check valve, also known as one-way valve, check valve, back pressure valve, this type of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, and belongs to an automatic valve. The function of the check valve is to prevent the backflow of the medium, the reverse rotation of the pump and its driving motor, and the discharge of the medium in the container. Double-plate check valve is a very common type of check valve. By choosing different materials, the wafer check valve can be applied to water, steam, oil in petrochemical, metallurgy, electric power, light industry, food and other industries. , nitric acid, acetic acid, strong oxidizing medium and urea and other media.

The swing check valve adopts a built-in rocker arm swing structure. All the opening and closing parts of the valve are installed inside the valve body and do not penetrate the valve body. Except for the sealing gasket and sealing ring used in the middle flange, the overall There is no leakage point, eliminating the possibility of valve leakage. The connection between the rocker arm and the disc of the swing check valve adopts a spherical connection structure, so that the disc has a certain degree of freedom in the range of 360 degrees, and has proper trace position compensation. It is mainly used in petroleum, chemical, pharmaceutical, fertilizer, etc. , electricity and other pipelines. Suitable for clean media, not suitable for media containing solid particles and high viscosity

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Usually customer-oriented, and it's our ultimate focus on to be not only by far the most reliable, trustable and honest provider, but also the partner for our customers for Factory Wholesale Dual Check Valve - Ductile Iron SS304 SS316 Non-return Swing Check Valve – Zhongfa , The product will supply to all over the world, such as: Guinea, Uzbekistan, Guatemala, With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in beauty and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
    • This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Vanessa from Albania - 2017.04.28 15:45
    Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Georgia from Thailand - 2018.06.30 17:29
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