Check Valves Details Types / Design : Swing Type, Tilting Type, Dual Disc Sizes : DN50 – DN2000 End Connections : Flanged Standards: DIN, BS Materials:Ductile Iron Pressure Class: PN6 – PN40 Request for a quotation and fact sheet Infrastructure Gate Valves Butterfly Valves Check Valves Air Release Valves Fire Hydrant Penstock Accessories Fittings