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GH-1100 Overshot Gates

Versatile and Efficient Upstream Level Control

The Golden Harvest, Inc. Model GH-1100 Overshot Gate (Tilting Weir Gate) offers a practical and economical solution for managing upstream water levels in open-channel applications. Ideal for water distribution, irrigation networks, dam overflow, and flood control, this gate is designed to provide precise control where space constraints or downstream recesses make traditional weir gates impractical.

Innovative Design for Seamless Operation

  • Compact and Flexible: The gate leaf spans the channel and is hinged at the invert, allowing it to tilt between 0° (fully open) and 60° (fully closed) for precise level control. A small floor recess enables the gate to lower completely, leaving the waterway unobstructed when needed.

  • Customizable Height: The gate leaf height is tailored to the maximum design upstream water level, enabling accurate water management.

Reliable Components for Long-Term Performance

  • Durable Sealing System: Resilient neoprene seals minimize leakage along the sides and invert. Stainless steel rub plates embedded in channel walls provide a smooth and durable sealing surface.

  • Efficient Hoist Mechanism: Operated using tandem cables or an optional articulating stem, the gate features manual or automated drum hoists mounted at the operating deck for optimal control.

  • Vent Tube Integration: A vent tube or knap relief prevents hydraulic lock or vacuum buildup, ensuring smooth and consistent operation. 

  • Self-Contained Design Option: For smaller sizes, the GH-1100 is available as a pre-assembled unit with a yoke-mounted operator, gate leaf, hinges, and side rub-plates for quick “drop-in” installation.

Key Features

  • Precise Level Control: Manage upstream water levels and flow with ease via manual gearbox or electric motor operator.

  • Versatile Applications: Suitable for water distribution, irrigation, flood control, and dam overflow.

  • Space-Saving Design: Eliminates the need for large downstream recesses required by traditional downward opening weir gates.

  • Low Maintenance: Built for reliable performance with minimal upkeep.

Applications

  • Water distribution and irrigation systems

  • Flood control projects

  • Dam overflow and spillway management

  • Open-channel flow monitoring

The GH-1100 Overshot Gate combines innovative design, durable materials, and customizable options to deliver efficient and cost-effective upstream water level control. Contact us today to learn how the GH-1100 can enhance your project!

Technical Specifications