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pressure jokcey

Question asked by officesup on Jul 28, 2020
Latest reply on Jul 31, 2020 by tdarling
How do I determine the pressure level of a cockroach pump? To maintain pressure in a fire protection pressure system. In nfpa 20 section 4.27 it is stated that pressure is needed to maintain the pressure due to leakage and pressure drops. But how much exactly is needed, it is not listed