900 Safety Relief Valves

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Bronze, steel and stainless steel safety relief valves for air, gas, steam, liquid and vacuum service that meet ASME Section VIII, ‘UV’; Section I, ‘V’, are National Board certified and PED certified for non-hazardous gas

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Model Descriptions

  • Model 910: CS body and bonnet with SS trim.
  • Model 911: All SS construction.
  • Model 916: Same as Model 910 except resilient seat/seals. Superior ‘leak-free’ performance.
  • Model 917: Same as Model 911 except resilient seat/seals. Superior ‘leak-free’ performance.
  • Model 920: Steel body and bonnet with screwed cap and stainless steel spring for organic fluid vaporizers (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
  • Model 921: Steel body and bonnet with plain lift lever and stainless steel spring for forced flow steam generators (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
  • Model 927: Steel body and bonnet with packed lift lever and SS spring for high temperature/pressure hot water boilers (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
  • Heavy duty cast valve bodies.
  • Seats lapped to optical flatness.
  • Available with resilient soft seats for superior leak-free performance.
  • Standard SS spring for temperatures to 550°F (288°C). Optional alloy spring to 800°F (427°C).
  • Threaded cap standard (back pressure tight). Maximum back pressure 50 psig [3.4 barg].1
  • Hex on valve nozzle provides for easy installation.
  • Warn ring offers easy adjustability.
  • Pivoting disc design offers exceptional seat alignment.
  • Guide to nozzle ratio reduces friction.
  • Full nozzle design for optimum flow performance.
  • Threaded side outlet for piped off discharge to eliminate fugitive emissions.
  • Each valve tested and inspected for pressure setting and leakage.
  • Air/gas compressors, intercoolers, aftercoolers
  • Liquid filled pressure vessels/systems, ASME Section VIII (UV).
  • Pressure vessels – containing gas, air, liquid or steam, including tanks and receivers.
  • Vacuum systems including pumps, tanks and equipment.
  • Oil/gas separators.
  • Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.
  • Bypass relief or pressure regulation.
  • All stainless steel Model 911 valves may be suitable for sanitary/edible applications.

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Line add : @intech2000

Email : intech@intech2000.com

Phone : 02-440-1853

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