FU-XRL Series Single Flap Check Valve Overview and application With no leakage, installed in any position, good sealing performance, small vibration, small pressure drop and other advantages. The valve is mainly used in water system, petroleum, chemical industry, metallurgy and other working conditions of the pipeline, to prevent the backflow of media. Technical parameters Nominal diameter: DN50~DN500 (2"~20") Pressure grade: PN16~PN100 (Class150~600) Operating temperature: -40℃~500℃ Connection: in - between Materials Valve body: carbon steel, stainless steel, Disc: carbon steel, stainless steel, Seat: stainless steel, hard alloy, FLYGER sales@flyger.co.uk Tricor Suite, 4th Floor, 50 Mark Lane, London EC3R 7QR, United Kingdom