Lubrication parts should be regularly oiled according to specific conditions. Frequently opened valves with high temperature are suitable for refueling once a week to a month; valves with infrequent openings and low temperature may have a longer refu...

Disintegration 1. Clean the valve dirt with a brush and cotton yarn (before, put the tools and rubber out) 2. Make a mark Use a marker to draw a V-shaped mark on the joint surface of the valve cover and the valve body. 3. Remove the pressure flange n...

Why do we need to understand valve professional terms such as valve working pressure, valve working temperature, and valve test pressure? Because in our daily valve selection, valve maintenance, valve maintenance, and valve replacement, we need to us...

Why do we need to understand valve technical terms such as valve working pressure, valve working temperature, and valve test pressure? Because in our daily valve selection, valve maintenance, valve maintenance, and valve replacement, we need to use t...

1. Why the double-sealed valve cannot be used as a shut-off valve The advantage of the double-seat valve core is the force balance structure, which allows a large pressure difference, but its outstanding disadvantage is that the two sealing surfaces ...

Valve installation is important Installing a valve is not an easy task. Do you know the main points of this? The editor will take you to sort out! 01  direction and location Many valves are directional, such ...

According to the movement mode of the drive mechanism, the valve drive device is divided into two types: linear travel and angular travel. According to the driving structure, the valve driving device is divided into: Valve drive mode Manual drive han...

Choose good valve It is essential for the long-term operation of the device under working conditions The importance of valve selection Nowadays, there are more and more valves on the market, the t...

1) Method of increasing stiffness For oscillation and slight vibration, the stiffness can be increased to eliminate or weaken it. For example, it is feasible to choose a spring with a large stiffness and use a piston actuator. 2) Increase the damping...

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...