Product Details Ⅰ. Automatically controls water tower or pool liquid level via crank arm and floating ball, enabling simple maintenance and accurate level control Ⅱ. Constructed with Brass+Stainless steel material, ensuring durability, firmness and anti-corrosion properties Ⅲ. Features sphere design without support shaft, clamped by two valve seats in "floating" state for cutting off, distributing and changing medium flow direction Ⅳ. Equipped with valve seat sealing design, reliable reverse sealing valve sealing rod, fireproof static electricity function, automatic pressure relief and locking device Ⅴ. Suitable for chemical industry, petroleum, natural gas, metallurgy, and other industries Specification Parameters Ⅰ. Material: Brass+Stainless steel Ⅱ. Size: screw length 54.5mm/2.1in, 56mm/2.2in, 73mm/2.8in Ⅲ. Color: Silver+Gold Ⅳ. Optional Type: DN15, DN20, DN25 Ⅴ. Pressure: 1.6MPa Ⅵ. Working medium: water, oil, anti-corrosion non-combustible gas Ⅶ. Suitable Temperature: -10-120℃/14-248℉ Package List Ⅰ. 1 x Float Ball Valves Warm Tips Ⅰ. No retail package included Ⅱ. Transition: 1cm=10mm=0.39inch Ⅲ. Please allow 0-1cm error due to manual measurement Ⅳ. Color may vary slightly due to different monitor displays