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 NUMBER

Please 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

SERIES

SR, SRH

VALVE TYPE

SR1 to SR4, SRH1 to SRH4

VALVE MATERIALS

External: Cast Iron, Internal: Stainless Steel, Seat: PTFE

INLET CONNECTION

1/2" to 1 1/4"

OUTLET CONNECTION

3/4" 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

APPLICATION

Vapor Only