What are the inspections of special valves before they are put into the market? During theproduction of special valves such as high pressure special valves and before they are put into the market, relevant tests shall be carried out to ensure the quality of special valves. Through testing, we can find out the problems of special valves and eliminate products with poor quality. So, what are theinsp...

Special valves are unconventional valves. The valves we often use include: wafer butterfly valve, medium-sized double flange butterfly valve, double eccentric butterfly valve, three-dimensional eccentric butterfly valve, expansion butterfly valve, ventilation butterfly valve, check valve butterfly valve, double flange sleeve expansion device, double flange loose sleeve expansion device, double fla...

As we all know,corrosion resistant special valves rely on the pressure and temperature of the medium in the valve as the energy source to drive the valve to work automatically, and its sealing directly affects the service performance of the self operated regulating valve. Therefore, in order to improve the service performance of special valves, it is necessary to continuously improve its sealing p...

Seal selection parameters: medium pressure, temperature, shaft diameter and speed. The selection of mechanical seal structure type is an important step in the design process, and must be investigated first: (1) working parameters - medium pressure, temperature, shaft diameter and speed. (2) medium characteristics a concentration, viscosity, corrosion, whether there are solid particles and fiber im...

The selection of special valves is an important factor for the correct use of special valves. In many cases, users will encounter various problems when using special valves, and often find that the specification and model are not selected properly. What should be paid attention to in the selection of special valves? 1、 Ensure longer service life Continuous service life is a parameter that should b...

Special valve is a very important protection valve, which is widely used in various pressure vessels and pipeline systems. When the pressure in the pressurization system exceeds the specified value, it can be automatically opened to discharge the excess medium into the atmosphere to ensure the safe operation of the pressure vessel and pipeline system and prevent accidents. When the pressure in the...

During the installation and use of special valves, in order to achieve better application, it is necessary to pay attention to whether the installation mode of products is reasonable, because the installation effect of devices directly affects the actual application. When installing and using special valves, keep a certain distance from the ground. If the special valve is too close to the ground d...

As we all know, special valves rely on the pressure and temperature of the medium in the valve as the energy source to drive the valve to work automatically. Its sealing directly affects the performance of self operated control valves. Therefore, to improve the performance of special valves, it is necessary to continuously improve their sealing performance in use. Here are some ways to improve the...