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OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa Featured Image
  • OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa

OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa


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OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa Detail:

Product Detail

Size & Pressure Rating & Standard
Size DN50-DN500
Pressure Rating PN6，PN10, PN16, CL150
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 double-plate check valve , two-lobed circular disc fixed on the valve body with a pin shaft. There are two torsion springs on the pin shaft. The disc is installed on the sealing surface of the valve body, and the spring is pressed by the medium pressure. The butterfly plate, when the flow is reversed, closes the valve by spring force and medium pressure. This kind of butterfly check valve is mostly of wafer structure, small in size, light in weight, reliable in sealing, and can be installed in horizontal pipelines and vertical pipelines.

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We believe in: Innovation is our soul and spirit. High-quality is our life. Consumer need to have is our God for OEM China Non Return Check Valve – DI CI SS304 Dual Plate Check Valve – Zhongfa , The product will supply to all over the world, such as: Cyprus, Melbourne, Libya, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
    • It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Joa from Toronto - 2018.04.25 16:46
    The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Phyllis from Panama - 2018.05.15 10:52
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