Updated: October 7, 2025 at 1:05 PM EDT This story has been corrected to show that maintenance was being performed on a gas isolation valve. The federal board investigating the fatal August explosion ...

The U.S. Chemical Safety and Hazard Investigation Board provided an update Monday on its investigation into the fatal U.S. Steel Clairton Coke Works facility explosion that occurred last month. VIDEO ...

The massive April explosion at the Husky oil refinery in Superior, Wis., could have been caused by a worn valve that allowed air to leak and mix with combustible hydrocarbons, according to a federal ...

As the investigation into the deadly Clairton Coke Works explosion continues, U.S. Steel has already banned the use of a cleaning method it believes contributed to the blast that killed two employees ...

New explosion isolation flap valves from IEP Technologies, part of the HOERBIGER Group, are a reliable and cost effective way to mitigate the risk of dust explosions propagating to upstream equipment.

Two former contract workers severely burned in a 2016 explosion at ExxonMobil's Baton Rouge refinery can pursue their claims against the manufacturer of a valve that malfunctioned, an appeals court ...