Grinding is a commonly used finishing method for the sealing surface of valves in the manufacturing process. Grinding can make the valve sealing surface obtain high dimensional accuracy, geometric ...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
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...
There are many types of valves, each has its own advantages and disadvantages, the following lists the advantages and disadvantages of five valves, including gate valves, butterfly valves,ball va...
The valve is a tool used in the transmission and control of gas and liquid with at least a thousand years of history.
At present, in the fluid pipeline system, the regulating valve is the control e...
Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
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