A. The liquid level of the water tower or pool is automatically controlled by the crank arm and the floating ball. The maintenance is simple, flexible and durable, the liquid level is accurately controlled, and the float valves has a high degree. B. Feature: C. Made of Brass+Stainless steel material, durable, firm and anti-corrosion. D. It is a sphere with no support shaft. The sphere is clamped by two valves seats in a "floating" state. It is mainly used to cut off, distribute and change the direction of medium flow on the pipeline. E. Valves seat sealing design, with reliable reverse sealing valves sealing rod, fireproof static electricity function, automatic pressure relief and locking device, etc. F. Suitable for chemical industry, petroleum, natural gas, metallurgy, and other industries. G. Specifications: H. Material: Brass+Stainless steel I. Size: screw length: 54.5mm/2.1in, 56mm/2.2in, 73mm/2.8in J. Color: Silver+Gold K. Optional Type: DN15, DN20, DN25 L. Pressure: 1.6MPa M. Working medium: water, oil, anti-corrosion non-combustible gas N. Suitable Temperature: -10-120/14-248 O. Quantity: 1 PC P. Note: Q. No retail package. R. Transition: 1cm=10mm=0.39inch S. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. T. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! U. Package Includes: V. 1 x Float Ball Valves