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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1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline.
2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
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 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...
The butterfly valve is a valve widely used in industrial and pipe systems. It has the advantages of simple structure, easy operation, good sealing ability and large flow rate, but there are also so...
In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through the valve per unit time and under the test con...
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