check valve - Manufacturers, Factory, Suppliers from China

check valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Common failure of the pneumatic valves

Pneumatic valve mainly refers to the cylinder playing the role of the actuator, through the compressed air to form a power source to drive the valve, so as to achieve the purpose of regulating the ...
The Flow Characteristics OF The Regulating Valve

The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. When installed in the actual control process, the...
What Are The Most Widely Used Areas Of The Valve

Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
Butterfly valve knowledge discussion

In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
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&#...
Casting Technology of Large Butterfly Valve

1. Structural analysis (1) This butterfly valve has a circular cake-shaped structure, the inner cavity is connected and supported by 8 reinforcing ribs, the top Φ620 hole communicates with the inne...