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API 8inch 150lb Stainless Steel A351 CF8 Flange Lug Knife Gate Valve

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CHINA J-VALVES API 8inch 150lb Stainless Steel A351 CF8 Flange Knife Gate Valve is a high-performance flanged knife gate valve, specially designed to meet the high reliability requirements in industrial fluid systems. This valve complies with the API 600 standard and is made of high-quality 316L stainless steel (A351 CF8), featuring excellent corrosion resistance and mechanical strength, and is capable of adapting to various harsh working conditions. Its flange connection method ensures a reliable connection between the valve and the pipeline system, and 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 A351 CF8 stainless steel, which has excellent corrosion resistance and high-temperature resistance, suitable for various media.

  • Flange Connection: Adopts a flange connection method compliant with ANSI B16.5 standard, featuring convenient installation and reliable sealing performance.

  • Knife Gate Design: The knife gate can effectively cut and remove sediments, ensuring reliable operation of the valve in media with high viscosity and high particle content.

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

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

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

Technical Specifications

  • Nominal Diameter: 8 inches (DN200)

  • Pressure Rating: 150LB (PN2.0 MPa)

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

  • Applicable Temperature: -20℃ to 300℃

  • Valve Body Material: A351 CF8 stainless steel

  • Sealing Material: PTFE, Viton, EPDM, etc.

  • Connection Method: Flange connection, compliant with ANSI B16.5 standard

  • Design and Manufacturing Standards: API 600, 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.

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


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