【75MM Butterfly Valve】: The package includes a DN50 75mm butterfly valve, made of high-density polyethylene, which is resistant to acids, alkalis, and corrosion, effectively preventing liquid splashing. 【Size and Compatibility】: The valve size at the interface with the IBC is DN50 (75 mm / 2.96 inches). It is well-suited for 1000-liter tanks. 【Superior Quality】: Our tank valve features a butterfly design with high mechanical strength and convenient switching. The seal is made of fine aluminum, which is not easily broken and offers resistance to acids, alkalis, and corrosion. Therefore, it can be used repeatedly in a temperature range from -20 degrees to 70 degrees, helping to protect the environment. 【Thick Molding, Safe and Durable】: The butterfly valve handle is made of PP engineering plastic, which is sturdy and resistant to liquid splashes. It combines the robustness of a butterfly valve with the advantages of a swivel fitting thanks to an aluminum swivel nut. This universal