Seeking advice
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What is this thing? It’s located at the outlet of the lubricating oil pump – is it a one-way valve? Please advise
Yes, it’s a one-way valve; it looks like this inside.
Butterfly check valve, commonly used in lubrication oil pipelines or in spaces with limited space!
Yes, it’s a one-way valve! Uniaxial tongue-shaped check valve
It is a one-way valve, also known as a check valve; it must be installed strictly in accordance with the flow direction of the medium and the orientation of the valve.