SL Series - Non-Water Hammer Check Valve

The YOKOTA Non-Water Hammer Check Valve is a high performance check valve that safely and economically eliminates the danger of water hammer which is a major problem in pumping and water supply equipment. Mining of underground resources such as coal, from hundreds of meters underground involved contending with a large amount of water. If a pump stopped operating due to a power failure, intense water hammer would occur causing an accident that could lead to pipe ruptures, pump damage, and even put the lives of workers in danger. The YOKOTA Non-Water Hammer Check Valve clearly solved this problem. Since then, the valve has been widely adopted in many public facilities such as water supply pumping plants, pumping stations, supply pipelines, agricultural irrigation, and sewage systems, with maximum bore reaching 1350mm. With buildings being built higher and various types of equipment requiring higher pressure, a solution to the water hammer problem has become increasingly important, and we have developed a good reputation through our many achievements in this field. Also, many of our clean-finished Non-Water Hammer Check Valves for ultra-pure water are used in the semiconductor industry.