What does the arrow on the valve body mean?
The arrow marked on the valve body is the recommended pressure-bearing direction of the valve, not the flow direction of the pipeline medium. The valve with two-way sealing function may not be marked with an indicating arrow, or with an arrow, because the valve arrow refers to the recommended pressure direction. It is better to have one direction in the left and right or up and down directions.
October 18, 2021
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