Ball valve and butterfly valve are two important categories of valves, widely used. Ball valve in high temperature and high pressure requirements of strict seal, flow resistance to small conditions...

Ball valves include: floating ball valves, fixed ball valves, track ball valves, V-shaped ball valves, three-way ball valves, stainless steel ball valves, cast steel ball valves, forged steel ball ...

There are more than 2300 valve manufacturers in the domestic market, which can provide several categories of valve products, more than 3500 varieties, more than 40000 specifications. The following ...

Reynolds number Re is a dimensionless number that indicates the state of fluid flow in a pipe. The characteristics of fluid flow in a pipe depend on the combined action of four parameters (pipe dia...

1 Working principle of pneumatic valveThe so-called pneumatic valve, specifically refers to the cylinder as the actuator, compressed air as the power source to achieve the drive of the valve, in or...

What security certification codes do export products need to pass in other countries? What do these certification marks mean? Let's take a look at the 20 internationally known certification marks a...