The Pressure Seal Check Valve is a robust and reliable valve designed to prevent backflow in high-pressure applications. This type of valve features a unique pressure-seal design that utilizes the pressure of the fluid to maintain a tight seal, ensuring that the valve remains closed when flow is not present. Pressure Seal Check Valves are commonly used in industries such as oil and gas, power generation, chemical processing, and water treatment, where high pressure and temperature conditions are prevalent.

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Features:

• Pressure-Sealed Design: The valve's design allows the internal pressure to assist in sealing, reducing the risk of leakage and enhancing reliability in high-pressure applications.
• High Pressure and Temperature Tolerance: Suitable for extreme conditions, these valves can handle high pressures (up to 2500 psi or more) and elevated temperatures, making them ideal for demanding environments.
• Durable Construction: Typically made from high-strength materials such as carbon steel, stainless steel, or alloy steels, ensuring longevity and resistance to wear and corrosion.
• Automatic Operation: The valve automatically opens and closes based on fluid flow direction, providing reliable backflow prevention without the need for manual intervention.
• Minimal Maintenance: With a simple design and fewer moving parts, Pressure Seal Check Valves require less maintenance, making them cost-effective in the long run.

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Product Range:

• Standard Compliance: Manufactured according to relevant industry standards such as API, ASME, or ANSI
• Nominal Pressure: Class 150, 300, 600, 900, 1500, 2500, or higher
• Nominal Diameter: Typically ranges from NPS 2 to NPS 36 (or larger, depending on the application)
• Body Material: Options include carbon steel (e.g., WCB), stainless steel (e.g., AISI 304, AISI 316), or other high-strength alloys
• Sealing Material: Various options, including metal-to-metal seals or soft seals made of materials like PTFE or rubber
• Connection Type: Flanged, butt-welded, or threaded connections, depending on the installation requirements
• Operating Temperature: Typically ranges from -20°C to +450°C (-4°F to +842°F), depending on the materials used

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Applicable standards:

•  STEEL CHECK VALVES, API 594/API 6D
•  STEEL CHECK VALCES,ISO14313
•  STEEL VALVES, ASME B16.34
•  FACE TO FACE, ASME B16.10
•  END FLANGES,ASME B16.5
•  INSPECTION AND TEST, API 598/API 6D