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DIN DN50 PN16~25 CF8 Stainless Steel Flange Swing Check Valve

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This is a stainless steel flange swing check valve made of CF8 material, with a nominal diameter of DN50 and a pressure rating of PN1625, which complies with the DIN standard. This valve is manufactured from high-quality stainless steel materials, featuring high strength, good mechanical properties and excellent corrosion resistance, and is suitable for a variety of complex working conditions. Its flange connection complies with the DIN standard, with excellent sealing performance, and is widely used in industries such as petroleum, natural gas, chemical engineering, and water treatment.
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DIN DN50 PN16~25 CF8 Stainless Steel Flange Swing check valve


Technical Parameters

  • Nominal Diameter: 1/2"~48" (DN15~DN1200)

  • Pressure Rating: 150LB~2500LB (PN20~PN420)

  • Applicable Temperature: -20°C~400°C

  • Applicable Media: water, steam, oil products, natural gas, acid gases, etc.

  • Materials:

    • Valve Body: CF8 (ASTM A351)

    • Valve Disc: CF8 or 316L stainless steel

    • Sealing Surfaces: 304L, 316L stainless steel

  • Connection Method: Flanged connection, conforming to EN 1092-1 standard

  • Design Standards: DIN 3356

  • Testing Standards: EN 12266-1


Product Features

  • High-Strength Material: CF8 stainless steel has good mechanical properties and corrosion resistance, and is suitable for various working conditions.

  • Reliable Sealing: Adopting flanged connection and high-quality sealing surface design, it has excellent sealing performance and a long service life.

  • One-Way Flow: The swing design ensures that the medium flows in one direction and effectively prevents backflow.

  • Conformance to Standards: Its design and manufacture conform to the DIN 3202 standard, and its testing conforms to the DIN 3230-75 standard.

  • Multiple Options: Electric or pneumatic actuators can be equipped according to customer needs to achieve automated control.


Application Areas

  • Petroleum and Natural Gas Industry: Used in oil and gas transmission pipelines to control the flow of media such as oil and natural gas.

  • Chemical Industry: Suitable for the control of corrosive media in chemical production.

  • Water Treatment Industry: Used in water supply and drainage systems to control the opening and closing of water flow.

  • Energy Industry: In the cooling water systems and steam systems of power plants, it ensures the reliable transmission of media.

  • Food and Pharmaceutical Industry: Suitable for the control of clean fluids in the food and pharmaceutical industries.


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