The automatic expansion valve (AXV) is similar in construction and appearance to the commonly used thermostatic expansion valve (TXV). However, the metering devices operate much differently. The AXV ...
San Bruno Assemblyman Jerry Hill says PG&E should have installed an automatic shutoff valve for such a large pipeline in such a populated area. "If an appropriate valve had been in place the gas could ...
A portion of the ruptured pipeline owned by Plains All American Pipeline was excavated and replaced at the site of the May 19 oil spill off Refugio State Beach. At the work site, shown here June 1, ...
“A client of mine [says] he rarely hears people complain [about oil pipelines] while wearing a burlap sack and riding a horse,” pipeline integrity consultant Andrew Kendrick noted while discussing the ...
WASHINGTON — Gas feeding the flames devouring a San Bruno neighborhood could have been shut off at least an hour earlier, but PG&E had decided in 2006 that adding automatic or remotely controlled shut ...
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The committee will study current and potential methodologies and standards, including regulatory criteria, for deciding when an automatic shutoff valve, remote controlled valve or other equivalent ...
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