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OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa Featured Image
  • OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa
  • OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa

OEM/ODM Supplier Cast Iron Check Valve - DI CI SS304 Dual Plate Check Valve – Zhongfa


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We're committed to furnishing easy,time-saving and money-saving one-stop purchasing support of consumer for Lug Body Butterfly Valve, Wafer Check Valve, Fullway Gate Valve, Created products with brand value. We attend seriously to produce and behave with integrity, and by the favor of customers at home and abroad in the xxx industry.
OEM/ODM Supplier Cast Iron 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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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 have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Renata from Slovak Republic - 2017.10.27 12:12
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Priscilla from Jordan - 2017.04.08 14:55
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