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    Pneumatic and hydraulic component manufacturer and supplier

    We specialize in seven major product lines, including pneumatic valves for petroleum machinery, air-source treatment components, control components, actuating components, auxiliary components, pneumatic tools, and hydraulic components—totaling over 1,000 varieties.

    unidirectional

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    Product News

    oil rigs valve QF515 Unidirectional Air-Flow Tap Pneumatic Rotary Joint


    The QF515 unidirectional gas conduit valve is an auxiliary component for pipeline connections, serving as a coupling device that connects a stationary gas pipeline to a rotating gas pipeline. It consists of a housing, a central tube (spool), bearings, sealing rings, springs, and an inlet end cap.