F347 Dual Plate Lug Check Valve

F347 Dual Plate Lug Type 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: Class150 to Class600, PN1.6, PN2.5Mpa, PN4.2MPa End Connection: Lug Design and Manufacture: ANSI B16.34, API 6D, DIN 3840, BS EN 186