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Types of Check Valves
Check valve, also known as one-way valve or check valve, belongs to the automatic valve category, and its function is to prevent the backflow of the medium in the pipeline. The bottom valve used for pump suction is also a type of check valve. The disc of the check valve is opened under the action...Read more -
The working principle and advantages and disadvantages of ball check valve
1. What is the working principle of the ball check valve? Spherical check valve is a check valve with multi-ball, multi-flow channel and multi-cone inverted fluid structure. It is mainly composed of front and rear valve bodies, rubber balls, cone-shaped bodies, etc. Its valve disc is a rubber-cov...Read more -
Application of butterfly valve and gate valve under different working conditions
Gate valve and butterfly valve both play the role of switching and regulating flow in pipeline use. But there are methods in the selection process of butterfly valves and gate valves. In the water supply network, in order to reduce the depth of the soil covering of the pipeline, the butterfly...Read more -
Where should the check valve be installed?
Today we will discuss the check valve installation location. So how to determine the installation position of the check valve? What is the difference between installing a check valve before the pump and installing it after the pump? Where is the installation in front of the pump suitable for? Che...Read more -
Sealing principle and structural characteristics of butterfly check valve
The sealing principle of butterfly check valve: The structure of the butterfly check valve is similar to that of a butterfly valve, and its sealing principle is similar to that of a butterfly valve. There are two types of butterfly check valves, one is single plate and the other is double plate. ...Read more -
How to choose stainless steel wafer check valve?
Stainless steel wafer check valve is an automatic valve with many models and specifications. This type of product is mainly used to prevent the backflow of the medium, the reverse rotation of the pump and its driving motor, and the discharge of the medium in the container. It can be applied to va...Read more -
Advantages and disadvantages of gate valve selection
Among various types of valves, gate valves are the most widely used. Gate valve refers to a valve whose gate plate moves in the vertical direction of the channel axis. It is mainly used to cut off the medium on the pipeline, that is, fully open or fully closed. Generally, gate valves cannot be us...Read more -
6 categories of soft sealing butterfly valve
As a component used to realize the on-off and flow control of the pipeline system, the soft-sealed butterfly valve has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. The disc of the soft sealing butterfly valve is installed in the vertical ...Read more -
Ball valve installation and maintenance
Ensure that the pipeline at the installation position of the ball valve is in the coaxial position, and the two flanges on the pipeline should be kept parallel to confirm that the pipeline can bear the weight of the ball valve itself. If it is found that the pipeline cannot bear the weight of the...Read more -
What are the materials of the diaphragm valve? How to maintain the diaphragm valve? How to solve common faults of diaphragm valves?
The structure of the diaphragm valve is very different from that of ordinary valves. It is a new type of valve and a special form of shut-off valve. Its opening and closing part is a diaphragm made of soft The inner cavity of the cover and the driving part are separated, and are now widely used i...Read more -
Small guide for daily maintenance of valves
Valves are not only widely used in various industries, but also used in different environments. Some valves in harsh working environments are prone to problems. Since the valve is an important equipment, especially for some large valves, it is quite troublesome to repair or replace once a problem...Read more -
Introduction to the use, main material and structural characteristics of the wafer check valve
Check valve refers to a valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-way valve, reverse flow valve and back pressure valve. The check valve is an automatic valve whose mai...Read more
