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Question asked by edmondo.arena on Mar 19, 2019
Latest reply on Mar 28, 2019 by chiefns830

Good Day! Does the PSV is mandatory for Fire Water pump considering that the rating of all system (piping and equipment) is higer than pump shut-off pressure (horizontal centrifugal pump type, provided with minimu flow line)? According to NFPA 20 (ed.2016) par. 4.26.5.1, par. 4.28.2.1 and par. 4.19.1.3 seems not mandatory. firewater firefightpump  pressure relief valve

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