No Pin Butterfly Valve - Manufacturers, Suppliers, Factory from China

No Pin Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

The 26th China IE Expo Shanghai 2025

The 26th China IE Expo Shanghai 2025 will be grandly held at the Shanghai New International Expo Center from April 21st to 23rd, 2025. This exhibition will continue to deeply engage in the environm...
10 Misunderstandings OF Valve Installation

With the rapid development of technology and innovation, valuable information that should be passed on to industry professionals is often overshadowed today. While shortcuts or quick methods can be...
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...
Pressure test method for industrial valves.

Before the valve is installed, the valve strength test and valve sealing test should be performed on the valve hydraulic test bench. 20% of low-pressure valves should be inspected randomly...
The relationship between the specifications of DN, Φ and inch.

What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10&#...
What are the inspection items and standards for butterfly valves?

Butterfly valves are a common type of valve in industrial pipelines, playing a critical role in fluid control and regulation. As part of routine maintenance to ensure their normal operation and saf...