Clean the pipeline of all contaminants.
Determine the direction of the fluid, torque as flow into the disc may generate higher torque than flow into the shaft side of the disc
Position disk in the...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
Gate valves and butterfly valves are used as switches to regulate the flow rate in pipeline use. Of course, there are still methods in the selection process of butterfly valves and gate valves.
In ...
The gate valve is a relatively common general valve with a wide range of uses. It is mainly used in water conservancy, metallurgy and other industries. Its extensive use performance has been recogn...
There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth or...