! Material: Aluminum/Plastic75mm ! 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 help protect the environment. ! Widely used in chemical and acid process, liquid storage buckets, tanks, container outlet control valves. ! The valve is used for controlling the outlet of the plastic container to prevent liquid splashing. Features: 1.The butterfly valve introduces foreign technology, is made of high density polyethylene and other engineering plastics, and is assembled, with a new structure and beautiful appearance. 2.It has the advantages of acid resistance, alkali resistance, corrosion resistance, high mechanical strength, 3.easy opening and so on, and can be used repeatedly to help protect the environment. 4.Widely used in chemical and acid process, liquid storage buckets, tanks, container outlet control valves. 5.It has been safely used 3,000 times and passed the drop