V701 Series Wafer Type Swing Check Valves • Available in sizes ranging from DN40 up to DN600. • Designed in accordance with the requirements of EN 1074-3 and pressure tested to EN 12266-1. • Very low weight and ultra short face to face dimensions. • In-built face sealing 'O' Ring eliminates the use of flange gaskets. • Ideally suited for handling fresh, sea, waste water, steam, acids and alcaline liquid. • Maximum allowable operating pressure is 16 bar(g). • A minimum back pressure of 0,3 bar is required to keep the valve tight. Part List 7 1 5 Pressure Drop Curve Part Name O-Ring / Seal EPDM / NBR / Viton / Silicone / PTFE Galvanized Steel Wafer Check Valve Flow Dire