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DN150 PN16 Stainless Steel CF8 SS304 Double Flap Wafer Check Valve

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The CHINA J-VALVES DN150 PN16 Stainless Steel CF8 SS304 Double Flap Wafer Check Valve is a high-performance double-flap butterfly check valve, specially designed to meet the high reliability requirements in industrial fluid systems. This valve is made of high-quality 316L stainless steel (CF8) and 304 stainless steel (SS304), featuring outstanding corrosion resistance and mechanical strength, and is capable of adapting to various harsh working conditions. Its butterfly-shaped structure design ensures that the valve can close quickly when the fluid flows in reverse, preventing the backflow of the medium. It is widely used in industries such as petroleum, natural gas, chemical engineering, and water treatment.
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Main Features

  • Stainless Steel Material: The valve body is made of 316L stainless steel (CF8), which has excellent corrosion resistance and high-temperature resistance, suitable for various media.

  • Double Disc Design: Adopting a double-disc butterfly structure, it can close quickly, effectively prevent medium backflow, and reduce pressure loss in the pipeline system.

  • No Water Hammer Phenomenon: When the valve is closed, it can quickly cut off the fluid, effectively preventing the occurrence of water hammer and protecting the safety of pipelines and equipment.

  • Low Flow Resistance Design: The reasonable disc design ensures low resistance when fluid passes through the valve, reducing energy consumption.

  • Fire-Safe Design: Complies with API 607 fire safety standards, ensuring that the sealing performance is maintained even in extreme situations such as fires.

  • Anti-Static Design: Prevents static accumulation caused by medium flow, improving safety.

  • Multiple Sealing Materials: Sealing materials such as EPDM and PTFE can be selected to meet the needs of different temperatures and media.

  • Compact Design: With a compact structure and light weight, it saves installation space and is convenient for transportation and maintenance.

Technical Specifications

  • Nominal Diameter: DN150 (6 inches)

  • Pressure Rating: PN16 (1.6 MPa)

  • Applicable Media: Water, oil, natural gas, steam, etc.

  • Applicable Temperature: -20℃ to 200℃

  • Valve Body Material: 316L stainless steel (CF8)

  • Sealing Material: EPDM, PTFE, etc.

  • Connection Method: Butterfly structure, clamped between pipeline flanges

  • Design and Manufacturing Standards: API 594, ANSI B16.34

  • Testing Standard: API 598

Application Fields

  • Oil and Gas Industry: Used in oil and gas transmission pipelines, natural gas processing plants, oil refineries, etc.

  • Chemical Industry: Suitable for chemical reaction systems, acid-base transmission pipelines, etc.

  • Water Treatment Industry: Used in seawater desalination, municipal water supply systems, etc.

  • Power Industry: Used in cooling water systems and steam systems of power plants, etc.

Advantages

  • High Reliability: Undergoes strict quality inspection and factory testing to ensure the performance and reliability of each valve.

  • Easy Maintenance: Reasonable design facilitates disassembly and maintenance; there is no need to disassemble the entire pipeline system when replacing seals or repairing internal components.

  • High Safety Performance: Fire-safe and anti-static design, suitable for hazardous environments.

  • Wide Application Range: Suitable for various media and working conditions, meeting the needs of different industries.


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