Models 300, 600 Air/Gas/Steam Relief Valves

Description

ASME Section I Steam and ASME Section VIII Air/Gas/Steam

Model Descriptions

  • Model 300: Cast steel, exposed spring, full nozzle with SS trim. ANSI 300# inlet flange and 150# outlet flange.
  • Model 600: Cast steel, exposed spring, full nozzle with SS trim. ANSI 600# inlet flange and 150# outlet flange.

Pressure and Temperature Limits

  • Models 300: 15 to 410 psig @ 800 o F, 505 psig @ 750 o F, -20 o F minimum temperature
  • Models 600: 15 to 825 psig @ 800 o F, 1000 psig @750 o F, -20 o F minimum temperature

Applications

  • Steam Boilers and Generators
  • Pressure Reducing Stations
  • Air/Gas Compressors – reciprocating or rotary.
  • Pressure Vessels – including tanks, receivers, intercoolers, oil/gas separators, lines.

Options

High Temperature Alloy Spring

Features and Benefits

  • Heavy duty construction of high quality cast steel with Stainless Steel full-nozzle trim for optimum performance.
  • Bolted yoke design for easy maintenance.
  • Steel yoke incorporates a cover-shield for guiding surfaces and provides for fully exposed spring.
  • Seats lapped to optical flatness for tight shut-off
  • Dual control rings offer easy adjustability for precision opening with minimum pre-open or simmer and exact blowdown control.
  • Every valve 100% tested/inspected for pressure setting, blowdown and leakage.
  • All adjustments are factory sealed to prevent tampering or disassembly.

Download Center

Product Literature
Installation, Operation & Maintenance
Technical Documents
Models 300, 600 Air/Gas/Steam Relief Valves

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