Dunan Valves - China Manufacturers, Suppliers, Factory

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

Soft seal pneumatic wafer butterfly valve overview:

Pneumatic wafer soft seal butterfly valve compact structure, 90° rotary switch easy, reliable sealing, long service life, is widely used in water plants, power plants, steel mills, papermaking, che...
Introduction of common valves

There are many types and complex types of valves, mainly including gate valves, globe valves, throttle valves, butterfly valves, plug valves, ball valves, electric valves, diaphragm valves, check v...
Inspection items for dual plate type check valves

Inspection items, technical requriements and inspection methods for wafer dual plate check valves
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...
The Main Functions & Selection Principles Of Valves

Valves are an important component of industrial piping systems and play an important role in the production process. Ⅰ. The main function of the valve 1.1 Switching and cutting off media: gate valv...
Valve diameter Φ, diameter DN, inch" Can you distinguish these specification units?

There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...