Master Craft Industrial Equipment
Mueller Streamline Co. Headquarters
150 Schilling Blvd
Suite 201
Collierville, Tennessee 38017
United States
Phone: 901 753 3200
Mueller Streamline Co. International
525 Okeechobee Blvd
Suite 860
West Palm Beach, FL 33401
United States
Phone: 561 273 8300
Print Back
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
    SAFETYMASTER® Pressure Relief Valves - Dimensions
    Unit of Measure
    Items SAFETYMASTER® Pressure Relief Valves
    A 18736
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to NPTFI Outlet     		SAFETYMASTER® Pressure Relief Valves
    A 18762
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to NPTFI Outlet     		SAFETYMASTER® Pressure Relief Valves
    A 15506
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to NPTFI Outlet     		SAFETYMASTER® Pressure Relief Valves
    A 17840
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to NPTFI Outlet     		SAFETYMASTER® Pressure Relief Valves
    A 18735
    SAFETYMASTER® Pressure Relief Valves - Straight Thru - NPTFE Inlet to NPTFI Outlet
    Connection Size N/A 3/8 in N/A 1/2 in N/A 3/4 in N/A 1 in N/A 3/4 in
    End Type N/A NPTFE
    Second Connection Size N/A 3/4 in N/A 3/4 in N/A 3/4 in N/A 1 in N/A 1 in
    Second End Type N/A NPTFI
    A N/A 3/8 in N/A 1/2 in N/A 3/4 in N/A 1 in N/A 3/4 in
    B N/A 0.75 in N/A 0.75 in N/A 0.75 in N/A 1.00 in N/A 1.00 in
    C N/A 4 in102 mm N/A 4 in102 mm N/A 4.95 in126 mm N/A 4.6 in117 mm N/A 4.6 in117 mm
    Operating Pressure [Min] N/A 150 psi
    Operating Pressure [Max] N/A 700 psi N/A 700 psi N/A 450 psi N/A 450 psi N/A 450 psi
    Weight N/A 0.45 kg0.98 lb N/A 0.43 kg0.94 lb N/A 0.69 kg1.53 lb N/A 0.66 kg1.45 lb N/A 0.68 kg1.49 lb
    Operating Temperature [Min] N/A -40 ºC-40 ºF
    Operating Temperature [Max] N/A 149 ºC300 ºF