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Test Pressure of High Pressure CO2 system distribution pipes

Question asked by 603656408 on Nov 3, 2018
Latest reply on Oct 24, 2019 by milt.werner

For the high pressure CO2 system, especially for the distrIbution pipe system. What is the pressure test requirement according to NFPA? What is the test pressure value and shall we do air pressure test or water pressure test?