Definition & Operational Usage
A hydrant gate valve is a control valve installed on fire hydrants or within fire apparatus water systems that regulates water flow by lifting or lowering a gate inside the valve body. It allows firefighters to start or stop water flow smoothly and is designed to handle high-pressure conditions typical of fire suppression operations. Not to be confused with a butterfly valve, which uses a rotating disc to control flow. Hydrant gate valves are essential components in establishing water supply during fireground operations coordinated under the Standardized Apparatus Response Technique (START) or Incident Command System (ICS).
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Category context: PPE, SCBA, apparatus components, hose, nozzles, tools, and operational equipment terminology.
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