Uses: Suitable for simple IBC containers, 75 mm coarse thread.< br >Features: It has the advantages of acid resistance, alkali resistance, corrosion resistance, high mechanical strength, easy opening and so on, and can be used repeatedly to protect the environment. Most used in chemical process and acid, liquid storage tanks, reservoirs, tank outlet control valves.< br >Design: The valve is used to control the outlet of the plastic container to prevent liquid from splashing around. Combines the advantages of a robust flap valve with the advantages of the rotating connections with the aluminium union nut. The flap valve is set straight and tightened with the help of the union nut.< br >Throttle valve: Introduces foreign technology, is made of dense polyethylene and other technical plastics, and is assembled with a great structure and beautiful appearance.