SAFETY RELIEF VALVES VALVES Type SR1, SR2, SR3, SR4, SRH1, SRH2 and SRH3; Inlet size 13mm & 20mm (1/2” and ¾”) For R22, R134A, R404A, R717 and other common refrigerants The type SR and SRH Safety Relief Valves are designed and constructed in strict accordance to the requirements of ASME Boiler and Pressure Vessel Code and certified by the National Board of Boiler and Pressure Vessel Inspectors. Each valve is accurately set and sealed at the factory and bear the UV and NB symbols. Employing proven principles of design, these safety relief valves are highly reliable and dependable. Precision machined stainless steel internal parts and a PTFE seat disk help prevent sticking due to corrosion and assure valve opening at the set pressure long after installation. SR Connection sizes are ½” FPT inlet with ¾ “ or 1” FPT outlet or a ¾” inlet with 1 ¼” or 1 ½” outlet. SRH series valves are available with ½”, ¾ “, 1” and 1 ¼” Inlets and ¾ “, 1”, 1 ¼” and 1 ½” outlets. Features: • SR Series designed to meet ASHRAE 15 2001 requirements for new system installations • SRH Series designed to meet ASHRAE 15 1994 (or earlier) system requirements • Certified by the National Board of Boilers and Pressure Vessel Inspectors • All Stainless Steel Internal Parts • PTFE Seat • Accurate and Dependable • Pressure settings 150 to 400 psi Sa Ca fety w w ll (8 Reli w. p 00) ef S a r 5 06 ele ke c r. c - 426 tor om 1 a / re or l vaila fsp og b ec on le . to Refrigerating Specialties Refrigerating www.parker.com/refspec .parker.com/r www.parker.com/refspec 2445 South 25th Avenue Broadview, Illinois 60153-3858 (708) 681-6300 Fax: (708) 681-6306 Fluid Connectors

Ordering Information Ordering Information Safety Val alv Type SR Safety Relief Valv es Safety Val alv Type SRH Safety Relief Valv es Valve Type Relief Valve Inlet Relief Valve Outlet Valve Type Relief Valve Inlet Relief Valve Outlet Standard pressure relief settings of 150, 250, 300 and 400 PSI available. Manifold Type M1 Manifold · For use with SR and SRH Safety Relief valves · Sizes 1/2”, 3/4”, 1” and 1-1/4” · Designed to meet ASME VIII, ASHRAE and IIAR standards Part No. Also available: Rupture Disc Assemblies FPT x MPT Size Pressure Settings * All Rupture Discs supplied with nipples Pressure...