Pressure reducing valves, with diaphragm actuator, self-acting, external pressure intake, flanged ends, compact design, construction without pillars, balanced pressure and stem tightness by bellows, screwed seat, a simple change of spring and actuator, easy and accurate adjustment.
Specification of the range:
Diverse design combinations by pressure adjustment ranges, bellows seal and secondary sealing designs, optional flow divider for noise reduction, optional PTFE sealing, optional reduced Kvs-values, water seal pot, flow restrictor, materials of construction, nominal size range (DN15-DN150), design pressure range (PN16-40) and further accessories.
ARI - Pressure reducing valve - PREDU
DGRL 2014/68/EU (PED Pressure Equipment Directive)
Accessories & Compatibility