! Material: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 plastic container outlet control 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 novel 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, plant outlet control valves containers. 5.It has been used safely for 3,000 times and passed the drop test. 6.The