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Relief valve porv
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Deluge System Technical Manual for Operation, Maintenance ...
www.vikinggroupinc.comJun 30, 2009 · PrESSurE OPErATED rELIEF VALVE (POrV) 34: A. Description 34: B. Operation 34: C. Inspections, Tests, and Maintenance 34: x. SOLENOID VALVE 36 A. Description : 36 ... valve is activated by operation of a fire detection system installed in the same area as the sprinklers (Figure 1). Various types of detection systems may be used, including smoke ...