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DO WE REQUIRED PRV FOR ZONE CONTROL VALVE ASSEMBLY

Question asked by suhail460 on Feb 20, 2017

DO WE NEED TO INSTALL PRV AT ZONE CONTROL VALVE ASSEMBLY FOR BUILDING SPRINKLERS, WHEN HYDRANT SYSTEM OPERATING PRESSURE IS 8.5 BAR. SPRINKLER IS 5.6 K FACTOR PENDENT, HAVING 1/2 INCH NPT. MAX BRUSTING PRESSURE OF SPRINKLER IS 16 BAR & OPERATING PRESSURE IS 12 BAR.

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