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Kunkle Valve Bailey 707 Safety Relief Valve

Kunkle Valve Bailey 707 Safety Relief Valve

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The Kunkle Valve Bailey 707 Safety Relief Valve by Emerson delivers precise and reliable overpressure protection for air, steam, gas, and liquid systems. Its compact spring-loaded design ensures fast response, tight shutoff, and long-term durability, meeting ASME and PED standards for critical industrial and commercial applications.

The Kunkle Valve Bailey 707 Safety Relief Valve, manufactured by Emerson, is a reliable and high-performance safety valve engineered to provide accurate overpressure protection in a wide range of industrial and commercial systems. Designed for air, steam, gas, and liquid services, this valve ensures dependable system protection while maintaining tight shutoff and repeatable performance over extended operating cycles.

The Bailey 707 series features a compact, direct spring-loaded design that enables rapid pressure relief and stable reseating. Built with precision-machined stainless-steel internals, it provides consistent performance, corrosion resistance, and long-term reliability in demanding environments. The valve’s versatile design supports multiple configurations, including flanged, threaded, or welded connections, making it adaptable for various process applications.

With ASME and PED certifications, the Kunkle Bailey 707 meets international safety and performance standards, ensuring maximum protection for equipment, personnel, and systems in power generation, petrochemical, HVAC, and general industrial service.

Technical Specification of Kunkle Valve Bailey 707 Safety Relief Valve

  • Valve Type: Direct spring-loaded safety relief valve

  • Series: 707

  • Set Pressure Range: 15 psig to 1,480 psig (1.03 to 102 bar)

  • Temperature Range: -29°C to +427°C (-20°F to +800°F), depending on materials

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

  • Seat Type: Metal-to-metal or soft seat options

  • Connections: Threaded, flanged, or welded (ASME, BSP, or DIN standards)

  • Orifice Sizes: API standard orifice designations

  • Media Compatibility: Air, gas, steam, and liquid service

  • Certifications: ASME Section VIII, PED 2014/68/EU, ISO 4126 compliant

Feature of  Kunkle Valve Bailey 707 Safety Relief Valve

  • Choice of resilient or metal trims.
  • Choice of threaded or flanged connections.
  • Test levers available for inline safety checking.
  • Alternative sealed dome for service conditions requiring a pressure tight seal on the discharge side (eg. liquid service with enclosed discharge).
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