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Features:
  • Temperature Range: -40°F/300°F, -40°C/149°C
  • Designed primarily for use on liquid receiver applications above the liquid refrigerant level (it is recommended that the factory be consulted before the valves are used on other applications)
  • Satisfy ASHRAE Standard 15 code requirements for a refrigerant vessel safety device (Application information can also be found in ASHRAE Guide and Data Book)
  • Comply with ASME code for unfired pressure vessels Discharge rates are certified by National Board of Boiler & Pressure Vessel Inspectors
  • Designed for maximum discharge capacities
  • Conforms to Pressure Equipment Directive 2014/68/EU, CRN, Compatible with all CFC, HCFC and HFC refrigerants and oils
  • CRN 0G0314.9C
  • SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet - Dimensions
    Unit of Measure
    Items SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    B 33752
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    B 33753
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    A 15502
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    A 15503
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    A 18737
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to Flare Outlet
    Connection Size N/A 1/4 in N/A 1/4 in N/A 3/8 in N/A 3/8 in N/A 3/8 in
    End Type N/A NPTFE
    Second Connection Size N/A 3/8 in N/A 1/2 in N/A 3/8 in N/A 1/2 in N/A 5/8 in
    Second End Type N/A Flare
    A N/A 1/4 in N/A 1/4 in N/A 3/8 in N/A 3/8 in N/A 3/8 in
    B N/A 3/8 in N/A 1/2 in N/A 3/8 in N/A 1/2 in N/A 5/8 in
    C N/A 2.81 in71 mm N/A 3.00 in76 mm N/A 2.81 in71 mm N/A 3.00 in76 mm N/A 4.20 in107 mm
    Operating Pressure [Min] N/A 150 psi
    Operating Pressure [Max] N/A 700 psi
    Weight N/A 0.00 kg0.00 lb N/A 0.18 kg0.41 lb N/A 0.15 kg0.34 lb N/A 0.16 kg0.35 lb N/A 0.45 kg0.98 lb
    Operating Temperature [Min] N/A -40 ºC-40 ºF
    Operating Temperature [Max] N/A 149 ºC300 ºF