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800# 2inch A105 Forged Steel F-NPT Piston Check Valve

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The J-VALVES 800# 2inch A105 Forged Steel F-NPT Piston Check Valve is a high-performance Piston Check Valve designed to meet the requirements of fluid unidirectional control under high pressure conditions. This valve is made of high-quality forged steel (A105), featuring high strength, corrosion resistance and excellent sealing performance. Its piston structure design ensures the reliability and stability of the valve under high-pressure conditions, and it is widely used in industries such as petroleum, natural gas, chemical engineering, and power.
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  • Forged Steel Check Valve

  • J-VALVES

Main Features

  • Forged Steel Material: The valve body and main components are made of forged steel (A105), which boasts high strength, high toughness, and excellent corrosion resistance, making it suitable for high-pressure and harsh working conditions.

  • Piston-Type Structure: Adopting a piston-type design, the valve disc automatically rises or closes under the pressure of the medium, ensuring one-way flow of the medium and preventing backflow. This design reduces the impact of the medium on the valve disc, thereby extending the service life of the valve.

  • High Sealing Performance: Equipped with high-quality sealing materials to ensure zero leakage under high-pressure conditions. The tight fit between the valve disc and the valve seat can effectively prevent medium backflow.

  • F-NPT Threaded Connection: Utilizing F-NPT connection, it is easy to install with reliable sealing performance, and can be seamlessly integrated with standard pipeline systems.

  • Bidirectional Sealing: The piston check valve features a bidirectional sealing function, ensuring that the medium can be reliably prevented from backflow in both positive and negative directions.

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

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

  • Multiple Operation Methods: Can be equipped with manual, pneumatic, or electric actuators to meet different operational needs.

Technical Specifications

  • Nominal Diameter: 1/2" ~ 2" (DN15~DN50)

  • Pressure Class:  150LB ~ 2500LB

  • Applicable Media: Petroleum, natural gas, water, steam, air, oil products, etc.

  • Applicable Temperature: -29℃ to 425℃ (the temperature range may vary depending on the sealing material)

  • Valve Body Material: Forged steel A105

  • Sealing Material: Stainless steel, PTFE, cemented carbide, etc.

  • Connection Method: F-NPT threaded connection, conforming to ASME B1.20.1 standard

  • Design and Manufacturing Standards: API 6D, ASME B16.34

  • Testing Standard: API 598


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