Body Structure:
The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficient strength and rigidity to withstand the pressur...
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...
Wafer butterfly valve and Double Flange butterfly valve are two common types of butterfly valves. Both types of valves are rubber seated butterfly valves. The application range of the two kinds of ...
Valve is the most common equipment in chemical enterprises, seemingly easy to install valves, but if not in accordance with the relevant technology, it will cause safety accidents……
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Overview
Valve is an important product in general machinery. It is installed on various pipes or devices to control the flow of medium by changing the channel area in the valve. Its functions are: ...
1. Valve selection principle:
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require cont...