1. APPLICABLE - The IBC container flap valve is suitable for most standard IBC tank rainwater tank containers in Germany and Europe. 62mm coarse thread for single IBC containers. 2. Design The valve is used to control the outlet of the plastic water tank, preventing liquid from splashing, combining the advantages of a robust flap valve with the advantages of a rotating connector using an aluminum swivel nut. The flap is laid flat and tightened using the union nut. 3. Safety Grip - The valve is used to control the outlet of the plastic tank to prevent liquid from splashing. Combines the advantages of a robust butterfly valve with the advantages of a rotating connection using an aluminum swivel nut. The flapper is laid flat and tightened with the union nut. 4. High Quality - It has the advantages of acid resistance, alkali resistance, corrosion resistance, high mechanical strength, easy to open, etc. It can be used repeatedly to protect the environment. Widely used in chemical process and acid, liquid storage tank, tank, tank outlet control valve. Quantity delivered: 1 piece Product color: blue white Product specification: DN40 62mm butterfly valveGood quality product