Elcctric hose valve, also called electric pinch valve, consists of valve body, rubber sleeve, large & small valve stem, upper & lower disc, pull rod, bracket, electric actuator and so on. It is...
Ball valves are generally limited by sealing materials. Because ball valves are usually made of some plastic materials, the main principle of ball valves is to adjust gas and liquid by metal balls under...
Now, ball valves and butterfly valves are commonly used in our lives. Under normal circumstances, these two valves can be used interchangeably, but only one can be used under special circumstances. Next,...
For any valve, dirt in it will affect its normal service life, which will not only cause leakage of the valve, but also affect its work, so how to remove the scale is a problem that everyone is concerned...
1. To know the application of valves in device and equipment, as well as working condition, practical medium, working pressure and working temperature. 2. To confirm the nominal diameter and connectiong...
Industrial valves were born after the invention of steam engine. In recent twenty or thirty years, due to the needs of petroleum, chemical industry, power station, metallurgy, shipbuilding, nuclear energy,...
Actually, for the globe valve, the most important thing to pay attention to is the influence of the resistance. When the resistance increases, it will first increase the transmission...
When designing gate valves, we need to find out what kind of sealability can meet the needs of the market. We also need to pay attention to the characteristics and specific uses of water-sealed...
Selection of valve driving mode is based on: 1. Types, specifications and structures of valves. 2. Opening and closing torque of valve (pipeline pressure, maximum pressure difference of valve) and thrust....
Lever-type pressure reducing valves should be installed horizontally in pipelines. The steam pressure reducing valve is an essential accessory of pneumatic regulating valve, and its main function...