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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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We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Indicating Butterfly Valve, Butterfly Valve Rubber Seal, Actuated Gate Valve, We attend seriously to produce and behave with integrity, and by the favor of customers at home and abroad in the xxx industry.
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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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way 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: Juventus, Victoria, Nicaragua, Our faith is to be honest first, so we just supply high quality products to our customers. Really hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our products ! You will be Unique with our hair products !!
    • The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Amber from Germany - 2018.06.09 12:42
    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Hellyngton Sato from Peru - 2017.02.14 13:19
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