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Butterfly Valves services for Water and Wastewater

  • HVL-L (Valve Locking)

    A technique approved by various water companies for isolating valves (most commonly butterfly valves) to support a double isolation or allow for a single isolation so that the risks incurred by man entry into pipe lines is reduced to a safely, quantifiable level.

    By Hydra-Ject Limited based in Conwy, UNITED KINGDOM.

  • HVL-L - Valve Locking Services

    A technique approved by various water companies for isolating valves (most commonly butterfly valves) to support a double isolation or allow for a single isolation so that the risks incurred by man entry into pipe lines is reduced to a safely, quantifiable level.

    By Hydra-Valve Limited based in Spondon,, UNITED KINGDOM.

  • Aftermarket Services

    Whether you need replacement valve parts or a major valve repair, you can rely on Pratt. At Henry Pratt Company, we understand valves and what it takes to repair them. When repairs or replacement parts are required, the best protection you can buy for your valves is the advice of a professional product representative to help you make informed ...

  • Engineering Services

    From beginning to end, Henry Pratt's engineering staff monitors the design and manufacturing process. All engineering drawings and specifications are thoroughly reviewed before production to determine the most efficient way of satisfying the design requirements and dimensional tolerances of each particular product.

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