Water valve directional?
I know valves similar to this one in the plumbing world are sometimes directional, and have an arrow on the body. They will leak if installed backwards. This one has no arrow but I still wonder. T...
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This looks like a ball valve. They are not directional with respect to the water flow direction--or, more precisely, the side with pressure when closed. It's gate and maybe globe valves where the pressure needs to be on the correct side to prevent leaking when closed.
Edit: Check valves are also directional, for rather obvious reasons.
Edit: Check valves are also directional, for rather obvious reasons.
