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Kunkle Valve Bailey 766 Safety Relief Valve

Kunkle Valve Bailey 766 Safety Relief Valve

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The Kunkle Valve Bailey Model 766 Safety Relief Valve by Emerson is a durable, high-performance valve designed for reliable overpressure protection in steam, air, gas, and liquid systems. With its direct spring-loaded design, tight shutoff, and corrosion-resistant construction, it ensures consistent performance, easy maintenance, and compliance with global safety standards.

The Kunkle Valve Bailey Model 766 Safety Relief Valve, manufactured by Emerson, is a high-performance safety relief valve engineered to provide dependable overpressure protection for a wide range of industrial steam, air, gas, and liquid applications. Designed with precision and durability in mind, the Model 766 offers reliable opening and reseating characteristics, ensuring consistent performance and system protection under demanding operating conditions. Built with premium materials and advanced sealing technology, the Model 766 combines tight shutoff capability, high discharge capacity, and corrosion resistance, making it ideal for boilers, pressure vessels, pipelines, and process systems. Its robust design ensures long service life and easy maintenance, while its compliance with international safety standards guarantees suitability for critical industrial installations. The Kunkle Bailey 766 incorporates a direct spring-loaded mechanism, providing precise and repeatable set pressure control. It’s available in a wide range of configurations, including flanged and threaded connections, to accommodate various application requirements.

Technical Specification of Kunkle Valve Bailey 766 Safety Relief Valve

  • Valve Type: Safety Relief Valve

  • Model: 766

  • Set Pressure Range: Up to 41 bar (600 psig) or higher depending on configuration

  • Temperature Range: Up to 427°C (800°F) for steam service

  • Body Sizes: ½” to 4″ (DN 15 – DN 100)

  • Body Materials: Bronze, carbon steel, or stainless steel

  • Trim Materials: Stainless steel with optional soft seat

  • End Connections: Threaded, flanged, or welded

  • Seat Type: Metal-to-metal or soft seat (optional)

  • Lift Type: Full lift or conventional

  • Flow Mediums: Steam, air, gas, and liquids

  • Certifications:

    • ASME Section I and VIII

    • PED 2014/68/EU

    • CRN approved

  • Mounting Position: Vertical discharge

Feature of Kunkle Valve Bailey 766 Safety Relief Valve

  • Top guided piston design incorporates an adjustable blowdown ring.
  • Meets all the requirements of BS6759 Part 1.
  • Freely pivoting disc and precision lapped stainless steel trim give positive re-seating for steam duty.
  • Fitted with a test lever for inline testing as standard.
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