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 one hand, when it is in use, it seldom moves,...
Ball valves are widely used in many commercial, institutional and industrial areas where it requires the isolation of system parts, or just to regulate the on-off state of the system. The product variants...
Check valve has a simple structure. The valves don't require electric power to drive, nor do they need much attention. When the medium goes through, the disc of the valve will be pushed up to open...
A safety valve plays a role in preventing overpressure operation during the operation of the pressure vessel. When the pressure in the pressure vessel rises above the specified value (that is, the opening...
1. The power supply with vertical external characteristics is used, and the positive polarity is used when DC (welding wire is connected to the negative electrode). 2. Generally suitable for the welding...
Valve maintenance A valve is a fitting on equipment and pipelines, and its maintenance should be carried out in conjunction with the maintenance of the equipment and pipeline. According to the regulations...
Today, the coal chemical industry line is spread all over the world, and the products of the coal chemical industry chain are closely related to our lives. Coal chemical industry uses coal as raw material,...
A ball valve uses a pivoting ball to provide on/off control of flow. The ball has a port, also called a bore, through the center. When the ball valve is positioned such that the bore is in line with the...
Introduction This article discusses issues regarding the location of check valves: How to determine the installation position of the check valve? What is the difference between installing a check valve...
In the process of production pipes in the coal chemical workshop, globe valves are often used. Let's analyze the working principle and operation of globe valves. Let's take a look today. A globe...