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1998 - Volume #22, Issue #4, Page #07
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Water-Powered Gate Opener

You can use water pressure from your farm or house to power this automatic gate opener that installs under the ground.
It consists of a hydraulic unit inside a box and a latch mechanism. No electricity is required. A pressure relief valve allows the gate to be manually opened or closed in case the water pressure fails. For cold weather areas, a frost kit is available that uses oil and compressed air instead of water to open the gate.
Contact: FARM SHOW Followup, Wautogate, Koeke Industries, P.O. Box 153, Taihape, New Zealand.
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1998 - Volume #22, Issue #4