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Refrigeration Pressure Gauge

Refrigeration Pressure Gauge

Refrigeration Pressure Gauge  also known as freon pressure gauge is used for measuring refrigeration system or all kinds of frozen system pressure measurement, such as air-conditioning, cold storage refrigeration system, industrial chillers, cold coal filling equipment, as well as central air-conditioning

Specifications
Dial size:  2.5″(63 mm)
Case:  red or blue plastic case
Wetted parts: Brass
Lens: Acrylic
Pressure Range: 30″Hg-0-500psi or -30″Hg-0-250psi

Description

Refrigeration Pressure Gauge  also known as freon pressure gauge is used for measuring refrigeration system or all kinds of frozen system pressure measurement, such as air-conditioning, cold storage refrigeration system, industrial chillers, cold coal filling equipment, as well as central air-conditioning

Specifications
Size:  2.5″ (63 mm)
Accuracy: ±3/2/3%(ASME B40.1 Grade B)
Case: red or blue plastic case
Lens:  Acrylic
Wetted parts: Brass
Operating Temperature: Ambient: -40 to 60°C (-40°F to 140°F)
Process fluid: max 60°C (140°F)
Dial: Aluminum with black & red markings
Pointer: Black aluminum
Connection:  1/8″ NPT or BSP bottom
Ranges: 30″Hg-0-500psi or -30″Hg-0-250psi
Protection degree: IP52
Freon scales: R-12, R-22, R-502, R-134, R404A

Protection
– If pressure gauges are to be used for steam service, a siphon tube filled with water must be installed between gauge and line to prevent live steam from entering the Bourdon tube.
– A gauge cock should be installed in the pressure line. This might be the standard shut-off valve or a needle valve for throttling pressure pulses.
– If severe pulsation exists, the gauge should be protected by adding a throttling orifice
screw in the gauge socket or by addition of a pulsation damper, such as a snubber.
– A diaphragm seal should be used in applications where process media should not come in contact with gauge.

We invite you to check out our post:  When should you use liquid-filled pressure gauges?

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