CHECK VALVE VIKING 4 IN FLANGED • Sizes available (Nominal) : DN50/2”, DN65/21 /2”, DN80/3”, DN100/4”, DN150/6”, DN200/8”, DN250/10” and DN300/12” • Pressure data : Working Pressure : 21 bar (300 psi). • Working Temperature : 0.0°C to 80.0°C • Seat Type : Bronze clapper face ring and valve body seat • Finish : Fusion bonded epoxy coated interior & exterior • Connections : Flange diameter and thickness according to ANSI B16.1 Class 125, EN1092-2 PN10 or EN1092-2 PN16 • Specifications : Complys with AWWA C508, clear waterway design.