Vacuum relief valve. Threaded connections NPT male, connection sizes 1/2 and 3/4 inch. Dezincification resistance low-lead brass CW724R body (< 0.25% lead content) certified and listed by ICC-ES to NSF/ANSI/CAN 372, file PMG-1360. Complies with ANSI Z21.22/CSA 4.4. PPSU cartridge, check. Stainless steel spring. Silicom 240/T Washer. PA6G30 Top. ABS Cover plate. Water and low pressure steam. Maximum working pressure (water) 200 psig (14 bar). Maximum working pressure (steam)15 psig (1 bar). Working temperature range 32 to 250°F (0 to 120 °C). Vacuum relief opening pressure 0.3” Hg (1 kPa) vacuum. Relief capacity 4.5 CFM @ 2” Hg (130 lpm @ 7 kPa) vacuum.
PLEASE download from "DOWNLOAD" panel on this page, the Revit Content Instruction Guide, to aid in understanding what is in the Revit family and how to select various available options.
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