The US Pipeline & Hazardous Materials Safety Administration issued a final rule on Oct. 7 for excess flow valves on new and replaced distribution pipelines. The final ...

A new program from UGI aims to convince owners of older homes to install an inexpensive safety valve to prevent fires or explosions. It's called the excess flow valve. "It's a safety device that is ...

MINNEAPOLIS (WCCO) – After a gas explosion killed two people at a Minneapolis school in 2017, a state agency is discussing plans to help prevent it from happening again. The Minnesota Public Utilities ...

The National Transportation Safety Board and other safety advocates have pressed for years to broaden requirements for so-called excess flow valves. The devices cost about $30 apiece for residential ...

Hyundai Motor has patented a valve recovery control apparatus for hydrogen tanks, ensuring stable hydrogen supply to fuel cells. The system suspends fuel cell operation if the excess flow valve is ...