emergency shutoff valves http://kbia.org en Blasts raise questions about pipeline safety http://kbia.org/post/blasts-raise-questions-about-pipeline-safety <p>Questions are being raised about the role of emergency shutoff valves in preventing natural gas explosions like the recent one at a Kansas City restaurant.</p><p>Regulations require their installation, but not their use in emergencies. Instead of shutting valves before a February blast leveled JJ's restaurant and killed a server, crews waited for a backhoe to arrive in a failed attempt to vent the leak.</p><p>One experts likened shutoff valves to the brakes on a car.</p> Mon, 08 Apr 2013 14:22:37 +0000 Associated Press 31654 at http://kbia.org