Relief Valves

Relief Valves & Manifolds


Pressure Relief Valves

Streamline's pressure relief valves are designed and engineered to provide high-volume discharge primarily for use on liquid receiver applications above the liquid refrigerant level. Models are available with multiple seat configurations and high pressure settings.


  • Compatible with all CFC, HCFC and HFC refrigerants and oils
  • Operating temperature ranges from -40° F to 300° F
  • RoHS compliant
  • Designed to operate according to ASHRAE standard 15
  • Comply with ASME code for unfired pressure vessels
  • Discharge rates certified by the National Board of Boiler and Pressure Vessel Inspectors
  • CE certified


RELIEFMASTER® Change-Over Manifold

Streamline's RELIEFMASTER change-over manifold, enables continuous system protection in the event of relief valve rupture. Using a common body chamber that serves as the base for two independent relief valves, a system can remain fully operational when valves need to be serviced and replaced.


  • Manifolds are UL/cUL recognized and CE certified
  • Compatible with all CFC, HCFC and HFC refrigerants and oils
  • Operating temperature ranges from -40° F to 300° F
  • Max. work pressure of 700 psig.
  • RoHS compliant


Rupture Disc

Install our rupture disc between the change-over manifold and pressure relief valves for indication that a relief valve has discharged. Design features one-piece brass construction and dual access ports.


  • Certified to meet ASME Code and a CE Certified Category 4 Product
  • Compatible with all CFC, HCFC and HFC refrigerants and oils
  • Operating temperature ranges from -40° F to 300° F
  • RoHS compliant

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