The butterfly valve was invented in the United States in the 1930s. It was introduced to Japan in the 1950s and was not widely used in Japan until the 1960s. It was not popularized in my country un...
Valve gaskets are designed to prevent leaks caused by pressure, corrosion, and thermal expansion/contraction between components. While nearly all flanged connection’s valves require gaskets, their ...
There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
Grinding is a commonly used finishing method for the sealing surface of valves in the manufacturing process. Grinding can make the valve sealing surface obtain high dimensional accuracy, geometric ...
Valve sealing is a universal technology essential to various industrial sectors. Not only are sectors such as petroleum, chemical, food, pharmaceuticals, paper making, hydropower, shipbuilding, wat...
Butterfly valves are valves used to regulate or isolate the flow of liquid or gas in a piping system. Among various types of butterfly valves on the market, such as, wafer butterfly valve, lug butt...
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