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  1. Natural Gas Solutions & Flow Control | Continental …

    Today, the GasBreaker EFV is known across the world as the “flow valve of choice.”. Residential and Commercial Gas Safety. The GasBreaker EFV is manufactured in a wide variety of models that can accommodate service line …

  2. Excess Flow Valves for Natural Gas Service Line

    Learn how excess flow valves (EFV) help stop the flow of natural gas in the event of an emergency. In keeping with a new federal regulation, Eversource wants you to know about your right to request the installation of an Excess Flow Valve …

  3. High Volume Excess Flow Valves | PHMSA - Pipeline and …

  4. Guide to Excess Flow Valves – Piping and Interface Engineering

  5. SENTRY GS Excess Flow Valves - Gas Controls Worldwide

    SENTRY GS are designed to close, shutting off the gas flow, when a prede­fined flow rate is reached. Gas utilities use excess flow valves (EFV) to minimize the risk of damage in the case of a break in the gas line.

  6. Excess flow valves - EPCOR