Butterfly Valves services for Water and Wastewater

  • 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.

  • 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.

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