Model Q3 is an industry standard design for general monitoring of liquid levels industrial processes and tanks.
Model Q3 are high pressure liquid level gauge with pressure rating up to 4000 PSI @ 100 F for Reflex Gauge Units and 3000 PSI @ 100 F for Transparent Gauge Units.
Equivalent to and can substitute for Jerguson 47R32, Penberthy 4RH7 and Quest-Tec 74RH.
Pressure and Temperature Ratings