With their nominal diameters of 6-1000mm and nomianl pressures of 0.1-15MPa, our products include various marine type valves-central type butterfly valve, double eccentric butterfly valve, check valve, metal sealing face butterfly valve,ventilation damper, corrugated pipe no leakage valves,valve for seaward dluice, stop valve, stop check valve, gate valve, faucet, safety valve, storm valve, fast valve, filter, and their accessories.