RegO® - LNG Angle Pressure Relief Valve AR Series



Application

The ASME approved 90° relief valves AR Series, provide precise control set points which protect cryogenic vessels and piping systems for over-pressurization.

Features

  • High flow rates are approved by rigorous testing to ASME Code VIII.
  • The ninety degree configuration provides relief of LNG gases directly avoiding flow through the spring.
  • Bubble tight seat provides 100% shut off when reseating or static mode.
  • A variety of inlets and pressure settings assure adherence to application requirements.
  • Temperature Range: -320°F (-196°C) to +165°F (+74°C)
  • Cleaned for Liquid Oxygen Service per CGA G-4.1
  • 100% Factory Tested.
Materials

Body.........................................  Bronze ASTM B61
Upper................... Body Stainless Steel ASTM A582
Seat & Stem ................................Brass ASTM B16
Poppet Guide..............................  Brass ASTM B16
Spring Retainer............................  Brass ASTM B16
Adjusting Screw ...........................Brass ASTM B16
Cap .............................................Brass ASTM B16
Ball .................................................Stainless Steel
Upper Gasket ............................PTFE ASTM D4894
Lower Gasket .......................Copper ASTM B152-17
Spring ...........................Stainless Steel ASTM A313

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