Technical Data Size DN40-DN800 Working Pressure PN10/16 Face to Face EN558-1 16series Flange Drilling ANSI B16.1 Class125, EN1092-2 PN10/16 Inspection and Test API598 Products Features 1) Wafer body style fits between FF or RF flanges. 2) Upper and lower PIFE thrust washers. 3) Resilient Buna-N or EPDM seat 4) Dual plate valves give maximum strength with minimum opening time. 5) Torsion springs assist valve closure, preventing flow reversal 6) Thrust washers reduce friction and wear of valve plate hinges.
