Metal Seat Swing Check Valve Overview Metal seat Check Valve to prevent reverse flow, suitable for water, wastewater and sewage applications. To BS5153 and BSEN 1074-3 standards, size range 350-300mm, ductile iron with gunmetal seats. Features. Unique lightweight ductile iron design. WRAS approved non metallic components. Fusion bonded epoxy coated paint - WRAS approved. Suitable for both horizontal and vertical installation. 1/2" BSP air release on cover as standard. Water System Valves Service Conditions. Potable water, filtered water, dirty water & sewage. Working pressure 16 bar. Temperature range -10°C to 70°C. (Insulate at 0°C and below) Brass Swing Check Valve Standards. Designed according to EN 1074 - 3. Standard flange drilling to EN1092-2 (ISO 7005-2), PN 10/16.…