Mueller Refrigeration Pressure Relief Valve

Part Nums:
See below

Key Features

  • Designed primarily for use on liquid receiver applications above the liquid refrigerant level
  • Satisfy ASHRAE Standard 15 code requirements for a refrigerant vessel safety device
  • Comply with ASME code for unfired pressure vessels
  • Compatible with all CFC, HCFC and HFC refrigerants and oils
  • Temperature Range:Ā  ā€40Ā°C/149Ā°CĀ 
  • Designed for maximum discharge capacities

3/8ā€ MNPT X 1/2ā€ MSAE

Part No.
Description
A15503-235
3/8 NPT x 1/2 FI PRV, Straight 235psi/1620kpa
A15503-300
3/8 NPT x 1/2 FI PRV, Straight 300psi/2070kpa
A15503-350
3/8 NPT x 1/2 FI PRV, Straight 350psi/2410kpa
A15503-400
3/8 NPT x 1/2 FI PRV, Straight 400psi/2760kpa
A15503-425
3/8 NPT x 1/2 FI PRV, Straight 425psi/2930kpa
A15503-450
3/8 NPT x 1/2 FI PRV, Straight 450psi/3100kpa
A15503-600
3/8 NPT x 1/2 FI PRV, Straight 600psi/4136kpa

1/2ā€ MNPT X 5/8ā€ MSAE

Part No.
Description
A15504-190
1/2 NPT x 5/8 Fl Straight Thru PTRV 190psi/1310kpa
A15504-235
1/2 NPT x 5/8 Fl Straight Thru PRV 235psi/1620kpa
A15504-300
1/2 NPT x 5/8 Fl Straight Thru PRV 300psi/2070kpa
A15504-350
1/2 NPT x 5/8 Fl Straight Thru PRV 350psi/2410kpa
A15504-400
1/2 NPT x 5/8 Fl Straight Thru PRV 400psi/2760kpa
A15504-425
1/2 NPT x 5/8 Fl Straight Thru PRV 425psi/2930kpa
A15504-450
1/2 NPT x 5/8 Fl Straight Thru PRV 450psi/3100kpa
A15504-575
1/2 NPT x 5/8 Fl Straight Thru PRV 575psi/4000kpa
A15504-600
1/2 NPT x 5/8 Fl Straight Thru PRV 600psi/4136kpa

3/4ā€ MNPT X 3/4ā€ MSAE

Part No.
Description
A18358-190
3/4 NPT x 3/4 FPT PRV, Straight 190psi High Flow
A15506-235
3/4 NPT x 3/4 FPT PRV, Straight 235psi/1620kpa
A15506-300
3/4 NPT x 3/4 FPT PRV, Straight 300psi/2070kpa
A15506-350
3/4 NPT x 3/4 FPT PRV, Straight 350psi/2410kpa
A15506-400
3/4 NPT x 3/4 FPT PRV, Straight 400psi/2760kpa
A15506-425
3/4 NPT x 3/4 FPT PRV, Straight 425psi/2930kpa
A15506-450
3/4 NPT x 3/4 FPT PRV, Straight 450psi/3100kpa

1ā€ MNPT X 1ā€ MSAE

Part No.
Description
A18387-190
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 190psi High Flow
A17840-300
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 300psi/2070kpa
A17840-350
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 350psi/2410kpa
A17840-400
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 400psi/2760kpa
A17840-425
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 425psi/2930kpa
A17840-450
1ā€ NPTF x 1ā€ NPTFI PRV,Straight 450psi/3100kpa