One Direction Check Valve - Manufacturers, Suppliers, Factory from China

One Direction Check Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Gate valve encyclopedia and common troubleshooting

Gate valve is a more common general valve, widely used, mainly used in water conservancy, metallurgy and other industries, its wide range of performance has been recognized by the market, TWS in th...
Introduction of valve sealing materials---TWS Valve

Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...
Good quality gate valve from TWS Valve

With over 20 years of experience in manufacturing and exporting valves, TWS Valve has become a leading manufacturer in the industry. Among its flagship products, gate valves stand out and demonstra...
The classification and working principle of the butterfly valve

There are many kinds of butterfly valves, and there are many classification methods. 1. Classification by structural form (1) concentric butterfly valve; (2) single-eccentric butterfly valve; (3) d...
The difference between OS&Y gate valve and NRS gate valve

1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body. 2.The OS&Y gate valve is driven by the thread transmission between the valve ...
What is a butterfly valve?

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...