Ningbo Huacheng Valve Co.Ltd.
Huacheng - Model JY-285 -Backflow Prevention Valve
JY-285 Reduced Pressure Backflow prevetion valve: Size:1/2" 3/4" 1" 1-1/4" 1-1/2" 2". Ball valve is a new type of valve which came out in 1950s. In a short period of more than 30 years, it is one of the valve varieties that have developed rapidly in recent ten years. It is mainly used to cut off, distribute and change the flow direction of medium in pipeline. The ball valve with V-shaped opening also has good flow regulation function
