1. Hydraulics - Pneumatics
  2. Valve
  3. Relief valve
  4. Parker Refrigerating Specialties Division

Refrigeration system relief valve SRLQ

Refrigeration system relief valve - SRLQ - Parker Refrigerating Specialties Division
Refrigeration system relief valve - SRLQ - Parker Refrigerating Specialties Division
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Characteristics

Applications
for refrigeration systems
DN

20 mm, 25 mm
(0.787 in, 0.984 in)

Flow rate

Min.: 33.3 l/min
(8.8 us gal/min)

Max.: 78 l/min
(20.61 us gal/min)

Pressure

28 bar
(406.1 psi)

Description

The SRLQ liquid relief valves are conventional, direct spring loaded safety relief valves designed to protect the liquid containing portions of vessels built to the ASME Boiler and Pressure Vessel Code. The 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 and Benefits: • 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

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.