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Safety Relief Valves - SRLQ
Brand: Parker HannifinThe SRLQ liquid safety relief valve is a unique solution providing overpressure protection of vessels containing liquid.
While traditional safety relief valves are designed for vapor use only the SRLQ is unique in that is it designed specifically for use with liquids.
Safety relief valves are designed to relieve pressure in a vessel when the set pressure is exceeded, preventing potential damage to equipment and injury to personnel.
After opening, these valves re-seat when the pressure in the vessel is below the valve’s closing pressure.
The liquid safety relief valves (SRLQ) are designed and constructed to meet the requirements of Section VIII ASME Boiler and Pressure Vessel Code and ANSI/ASHRAE 15 code requirements and bear the ASME code symbol.
Employing proven principles of design, these safety relief valves are highly reliable and dependable.
Precision machined moving parts of stainless steel, and a PTFE disc prevent sticking due to corrosion or cold welding and assure valve opening at the set pressure long after installation.
Features- Suitable for ammonia and halocarbon refrigerants
- ASME Boiler and Pressure Vessel
- Code, Section VIII, Division 1 compliant
- ANSI/ASHRAE Standard 15 safety standard for refrigeration systems
- All stainless steel internal parts
- Non-stick PTFE seat
- Set pressure tolerance of ±3%
- Unaffected by vibration
- Excellent repeatability
Specifications
Brand
Connection Type
- FPT
Flow Rate (gpm)
- 8.8 gpm to 20.6 gpm
Flow Rate (Lpm)
- 33.3 Lpm to 78.0 Lpm
Inlet Connection
- 13 mm (1/2"), 20 mm (3/4")
Maximum Ambient Temperature (°C)
- 94° C
Maximum Ambient Temperature (°F)
- 200° F
Maximum Pressure (bar)
- 28 bar
Maximum Pressure (psig)
- 400 psig
Minimum Ambient Temperature (°C)
- -29° C
Minimum Ambient Temperature (°F)
- -20° F
Model Number
- Please Configure Part for Model Number
Orifice Size (inch)
- .229"
Orifice Size (mm)
- 5.81 mm
Outlet Connection
- 20 mm (3/4"), 25 mm (1")
Pressure Relief Setting (bar)
- 3.5 bar to 6.9 bar
Pressure Relief Setting (psi)
- 50 psi to 100 psi
Set Pressure Tolerance
- ± 3 % *Re-Seat Pressure after Release is 20 % Below Set Point
Valve Type
- SR1LQ, SR2LQ
- Use with Ammonia and Halocarbon Refrigerants
- Liquid Lines
- ASME Rated Liquid Transfer Vessels
- Heat Exchangers
- Condensers
- Coolers
- Vessels Containing Lubricating Oil Such as an Oil Cooler
- NOT Suitable for Water or Other Corrosive Fluids