| 摘要 |
A reversing fluid flow control valve with a valve base having an elongated longitudinal cavity open along the top side thereof. Said valve base having inlet, cylinder and exhaust ports connected to inlet cylinder and exhaust passages. A valve spool body removably mounted on the valve base and having a shape on the lower side thereof complimentary with the shape in the valve base so that fluid passing through the valve and between said ports flows in a uniplanar manner.
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