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The function of the Pressure Indicator is to provide visual
indication in the event of a rupture disc burst. If the disc has
ruptured, the Pressure Relief Valve will have discharged and must
The G15 Pressure Indicator is intended to be used as part of the Henry
Sentry Safety Device Assembly. The indicator is suitable for use with
ammonia, HCFC and HFC refrigerants.
Easy to read large indicator dial
Stainless steel movement
Maximum working pressure = 800 PSI (55.2 Bar)
Allowable operating temperature = -40°F to +150°F (-40°C to +65°C)
Materials of Construction
The case and movement are made from stainless steel. The dial window is
made from plexiglass.
USE NO OIL