The SR and SRH Safety Relief Valves are designed to protect industrial and commercial refrigeration systems from overpressure situations.
This series is designed to open at a specified pressure and can be used in single or dual relief configurations.
PERFORMANCE CHARACTERISTICS
MODEL NUMBERPlease Configure Part to View Model Number
MINIMUM OPERATING TEMPERATURE (C)-40°
MINIMUM OPERATING TEMPERATURE (F)-40°
MAXIMUM OPERATING TEMPERATURE (C)150°
MAXIMUM OPERATING TEMPERATURE (F)300°
MINIMUM AMBIENT TEMPERATURE (C)-29°
MINIMUM AMBIENT TEMPERATURE (F)-20°
MAXIMUM AMBIENT TEMPERATURE (C)94°
MAXIMUM AMBIENT TEMPERATURE (F)200°
PRESSURE RELIEF SETTING (BARG)10.3 to 27.6
PRESSURE RELIEF SETTING (PSIG)150 to 400
MAXIMUM WORKING PRESSURE (BARG)27.6
MAXIMUM WORKING PRESSURE (PSIG)400
SERIESSR, SRH
VALVE TYPESR1 to SR4, SRH1 to SRH4
VALVE MATERIALSExternal: Cast Iron, Internal: Stainless Steel, Seat: PTFE
INLET CONNECTION1/2" to 1 1/4"
OUTLET CONNECTION3/4" to 2 1/4"
ORIFICE SIZE (MM)10.4mm to 19.05mm
ORIFICE SIZE (INCH).409" to 3/4"
FLOW CAPACITY (SCFM AIR)130 to 1776
FLOW CAPACITY (LBS. PER MIN AIR)10 to 164
APPLICATIONVapor Only