PFG Refrigeration Gauge



  • Refrigeration equipment and refrigeration recovery equipment


  • 2.5” (63mm) to 6” (150mm) durable gauges
  • 2.5” (63mm) dial have a blue and red coloured case for easy identification
  • Dual scale (psi/°F)
  • Flutterless movement on the 2.5” (63mm)
  • Chlorofluorocarbon (CFC) temperature scales (R-12, R-22 & R-502)
  • Brass internals
  • 1/4” NPT standard
  • ASME B40.100 compliant
  • CRN registered
  • 5 year warranty



2.5” (63mm): Plastic, colour coded, blue for low pressure and red for high pressure,

4” (100mm), 6” (150mm): Steel, painted black


2.5” (63mm): Plexiglass, threaded

4” (100mm), 6” (150mm): Glass


2.5” (63mm): SS, crimped,

4” (100mm): Brass, polished,

6” (150mm): Steel, painted black

 Connection 1/8” NPT or 1/4” NPT standard
 Restrictor Screw Standard
 Recalibrator Screw Standard
 Bourdon Tube

2.5” (63mm): Phosphor bronze, vibration free (flutterless movement)

4” (100mm), 6” (150mm): Phosphor bronze

 Pointer Aluminum, anodized black
 Welding #50 tin solder
 Over-Pressure Limit 25% of full scale value
 Scale psi/°F (R-12/R-22/R-502)
 Working Pressure Maximum 75% of full scale value
Ambient/Process Temperature -40°F to 158°F (-40°C to 70°C)

2.5” (63mm): ±2% of full scale

4” (100mm), 6” (150mm): ±1% ANSI/ASME Grade 1A

Enclosure Rating IP52
Warning Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to

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