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The HLK-70120 Dual Tank Return Valve was developed for use with manipulator and tooling systems where the hydraulic control lines needed to be switched to a low pressure circuit to avoid being mechanically anchored to subsea assets or equipment.
Two normally open 2/2 poppet valves are used to provide a path to tank for independent hydraulic control lines. These valves are energized into the closed position simultaneously when power is applied to the coils, and to the open position when power is removed.
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