Elcctric hose valve, also called electric pinch valve, consists of valve body, rubber sleeve, large & small valve stem, upper & lower disc, pull rod, bracket, e
The electric valve, as its name implies, is to drive the opening and closing of the valve by power supply. The valve is mainly composed of two parts: the upper
Overview The high-pressure hydrogenation process is an important means for deep processing of petroleum. It can not only increase the recovery rate of light oil
Summary: With the development of science and technology and urban modernization, more and more steel pipes are used in various pipelines and surface coating mat
3.2 Epoxy coal tar preservative coatings Epoxy coal tar pitch is made of epoxy resin and coal tar bitumen as the base material which is miscible by heating. An
4. Common problems for coating materials It is concluded that the common problems for coating materials can be roughly divided into three types, which are uneve
Stainless steel globe valve has many advantages on performance. In fact, the reason why users like to choose it is precisely because it has its own advantages i
There are three advantages of hydraulic blind valve—a safty quipment used to cut gaseous medium. Hydraulic blind valve is a dedicated device with various
Electric butterfly valve is consist of electric actuator and butterfly valve, so that it owns both advantages of simple operation and plain structure, widely us
Causes of valve failure in general: 1. The packing gland is not compressed. 2. The packing fails due to overuse or improper preservation. Fault elimination me
Stainless steel gate valve has good rust resistance when in use. In fact, it is necessary for a gate valve to achieve good performance in this respect. On the o
Lever-type pressure reducing valves should be installed horizontally in pipelines. The steam pressure reducing valve is an essential accessory of pneumatic regu