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Securing America's Water

Industries We Serve

Since 1979 Hydra-Shield Manufacturing, Inc. has been a leader in the Hydrant Security Industry, designing and manufacturing the highest quality fire hydrant locks, devices, accessories and valves. Unauthorized water usage puts an expensive burden on services, budgets and taxpayers. The need for proven hydrant security is why so many communities choose Hydra-Shield products. Many major municipal water departments rely on Hydra-Shield products, such as the Custodian®, Dome Lock, Plug Lock, V-lock and our other products as a main source for security purposes. Don’t be a victim of water theft, terrorism or criminal mischief when we can assist you with these problems.

Hydra-Shield manufactures unique valves for Fire Departments such as the Pre-Con valve and our Carlin valve. The Pre-Con inlet valve is the only automatic control valve on the market.  The Carlin valve controls the water flow from the hydrant to the fire apparatus and allows an extra man at the fire scene. Any Fire Departments concerned about having faster connection to the Hydrants should really consider using our Hydra-Storz adapters to speed up their operations. Our fire products are designed to save precious time in emergency situations.


Hydra Shield News

Hydra-Shield Houston office and warehouse has resumed operations.

Thank you for your patience with our organization during these times of an unfortunate natural disaster, we are very grateful with everyone’s understanding and support that has been given to our organization.  We have restored 75% of our operation at our Houston office and warehouse and our staff is working...

Hydra Shield Warehouse Closed until further notice due to Hurricane Harvey

Due to hurricane Harvey our Houston office and warehouse will be closed until further notice. We will be monitoring the situation in Houston and working to update you on the status of when we will resume operation. On behalf of our organization and employees we truly appreciate your cooperation.
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