China Manual Butterfly Valve - Manufacturers, Suppliers, Factory from China

China Manual Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Sand casting of valves

Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
Preparation of the work required for the valve assembly from TWS Valve

Valve assembly is an important stage in the production process. Valve assembly is the process of combining the various parts and components of the valve according to the defined technical premise t...
History of the Development of China's Valve Industry (1)

Overview Valve is an important product in general machinery. It is installed on various pipes or devices to control the flow of medium by changing the channel area in the valve. Its functions are: ...
Basic knowledge and precautions of valve corrosion

Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to consider. Valve corrosion form The corrosion o...
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 ...
Advantages and Disadvantages of Various Valves

Gate Valve: A gate valve is a valve that uses a gate (gate plate) to move vertically along the axis of the passage. It is primarily used in pipelines for isolating the medium, i.e., fully open or f...