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API600 8inch 2500lb Carbon Steel WCB Welding BW Pressure Seal Gate Valve

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CHINA J-VALVES API 600 8inch 2500lb Carbon Steel WCB Welding BW Pressure Seal Gate Valve is a high-performance pressure-sealed gate valve specially designed for high-pressure and high-temperature working conditions. This valve complies with the API 600 standard and is made of high-quality carbon steel (WCB). It has high strength and excellent corrosion resistance, and can meet the strict requirements under extreme working conditions. Its pressure sealing design ensures outstanding sealing performance under high pressure conditions and is widely used in industries such as petroleum, natural gas, chemical engineering and power.
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Main Features

  • Pressure seal design: The bonnet adopts a pressure seal structure. As the system pressure increases, the sealing performance is enhanced accordingly, ensuring reliable sealing under high-pressure conditions.

  • Carbon steel material: The valve body and main components are made of carbon steel (WCB), which has high strength and excellent corrosion resistance, suitable for various media.

  • Welded connection: Uses butt welding (BW) connection to ensure the firmness and tightness of the connection, applicable to high-pressure pipeline systems.

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

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

  • Multiple operation methods: Can be equipped with manual, gear-operated, or electric actuators to meet different operational needs.

Technical Specifications

  • Nominal diameter: 8 inches (DN200)

  • Pressure class: 2500LB (PN42.0 MPa)

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

  • Applicable temperature: -29℃ to 425℃

  • Valve body material: Carbon steel (WCB)

  • Sealing material: Stainless steel, graphite, etc.

  • Connection type: Butt welding (BW), compliant with ANSI B16.25 standards

  • Design and manufacturing standards: API 600, ASME B16.34

  • Testing standards: API 598, API 6D

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-alkali transmission pipelines, etc.

  • Power industry: Applied in cooling water systems and steam systems of power plants, etc.

  • Water treatment industry: Used in seawater desalination, municipal water supply systems, etc.

Advantages

  • Excellent sealing performance: The pressure seal design ensures reliable sealing under high-pressure conditions, reducing maintenance costs.

  • High strength and corrosion resistance: Carbon steel (WCB) can withstand high pressure and harsh environments.

  • Compact design: Features a compact structure, saving installation space and facilitating transportation and maintenance.

  • Multiple operation methods: Can be equipped with manual, gear-operated, or electric actuators to meet the needs of different working conditions.

Installation and Maintenance

  • Welded connection: Use appropriate welding processes and materials to ensure reliable sealing at the joint.

  • Regular inspection: Periodically check the sealing performance of the valve and the wear of mechanical components, and replace damaged parts in a timely manner.

  • Cleaning and maintenance: Regularly clean impurities inside the valve to prevent blockage from affecting sealing performance.


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