... -600 Body material,: Ductile iron Pilot: SS304 Pressure:PN25/16/10 Certificate with WRAS, KTW, NSF, FDA, ACS. Medium: Water/Oil ... Retainer &Diaphragm Washer: Ductile Iron, Stainless steel, Bronze Trim: Disc Guide,Seat: Stainless steel, Bronze Seal :NBR, EPDM, HNBR Diaphragm: Nylon ... US PLS. Pressure Sustaining and Reducing Valve PN 25/16/10