Nominal pressure The reference value related to the pressure resistance of piping system components refers to the design given pressure related to the mechanical strength of the piping component. For users, PN and Class are both the identi...

A valve is a device used to control the direction, pressure, and flow of fluid in a fluid system. It is a device that allows the medium (liquid, gas, powder) in the piping and equipment to flow or stop and can control its flow. The valve is a fluid d...

Plastic butterfly valves originated in the United States in the 1930s, and were only widely used in Japan in the 1960s. In the 1970s, my country began to use plastic butterfly valves. With the passage of time, a plastic pneumatic butterfly valve appe...

How to determine the installation position of the check valve? What is the difference between the installation of the check valve before the pump and the installation of the check valve after the pump, and where does the installation before the pump ...

The plastic pneumatic ball valve completes the power switch or closing of the valve according to the closing and opening of the valve core. Plastic pneumatic ball valves have great practical value in liquid substances. Mainly reflected in the followi...

The work week is coming to an end again. After working hard for a week, do you remember what we learned last time? If you forget, just follow the editor to review it. Last week we talked about the three points of how to maintain the valve, storage a...

Valves are a kind of commonly used hardware products. Valves also have certain technical requirements before and during assembly. Otherwise, the assembled valves will not be able to reflect their own excellent performance. What are the valve componen...

Along with the development trend of the valve sales market, the various valves on the market currently have different characteristics. Of course, there will be some common problems when they are used more. The speed and accuracy of solving common pro...

Do you know the methods of common valve maintenance? If you are not sure, then follow the editor to increase your knowledge! Safekeeping ◆The purpose of storage and maintenance is to prevent damage to th...

Lead With the progress and continuous reform of the times, my country's valve products have also been innovated with the change of the times. At present, in the valve market where environmental protection and safety are becoming m...

With the development trend of big cities, more and more valves are used by everyone, so the valve sales market is also developing. At present, there are various types of valves on the market. Among them, plastic pneumatic ball valves also account for...

①The rubber ring is produced at designated points to strengthen the quality control. Usually used for valves in the water supply industry, EPDM and nitrile rubber are used. Natural rubber is not used much. It is strictly forbidden to mix with reclaim...