PermaLock EFV tees provide a simple, gas-tight, non-heat fusion service line connection without special equipment and can be installed in as little as five minutes. Download PDF. For more …

EFV technology shuts down the line’s flow and keeps it closed until the line is repaired and gas pressure returns to normal. Available in Three Different Designs: • EFV I – ½” CTS to 1 ¼” IPS …

This manual details the qualification and design testing that has been performed during the development of the Perfection Excess Flow Valve with Bleed-by Reset (EFVB). The …

Perfection EFVs prevents catastrophic leakage by tripping automatically: When gas flow reaches a critical rate, the force on a ball exceeds the opposing force on a spring, which causes the …

Our EFV activates instantly on line ruptures, automatically resetting after repairs. Easy installation, seamless integration, and tamper-proof design ensure unparalleled reliability. Trust our UL …

Excess Flow Valves (EFVs) provide safety for the natural gas consumer by mechanically stopping the flow of gas when the flow rate exceeds design limits. When activated by excess gas flow …

Today the GasBreaker Excess Flow Valve is known as “The EFV of Choice.” The GasBreaker EFV is manufactured in a wide variety of models that can accommodate service line capacities …

This specification covers polyethylene excess flow valves (EFV). The EFV shall be designed to provide automatic reset or bleed-by in the event of a shutoff.

GasLOK EFVBs are self-contained, tamper resistant, and configured into PE4710/PE2708 electrofusion or steel service tee transition fittings. GasLOK EFVBs do not require additional …

Protect homes, improve gas flow, and mitigate environmental impact with GasBreaker Excess Flow Valves. Our EFVs enable utilities to easily detect, limit, and prevent excess gas flow to …