F347 Dual Plate Wafer Check Valve

F347 Dual Plate Wafer Check Valve Body: F347, Alloy 20, Monel, Duplex, Super Duplex, Inconel, Hastelloy C276/B3, Titanium, Carbon Steel Disc: F347, Alloy20, ss304, ss316 Seal: PTFE, RPTFE, PPL Seat: 13Cr, Stellite Nominal Size: 2″ to 24″ Nominal pressure: PN1.6, PN2.5Mpa, PN4.2MPa, Class