State and congressional lawmakers moved Tuesday to impose new requirements for automatic or remote-controlled shutoff valves on pipelines after last week’s San Bruno natural gas conflagration raged ...

Federal investigators and state legislators are zeroing in on whether inferior shut-off valves on the natural gas pipeline that exploded last week in San Bruno led to a deadlier, costlier disaster.

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 ...

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The U.S. Dept. of Transportation has proposed a regulation to require automatic shutoff valves or similar technology on new and rebuilt pipelines that carry natural gas and hazardous liquids. Under ...

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 ...

Auto-AirT, an automatic air valve, switches on and off during air-gaging applications and nongaging time. An optional Auto-Air package for use on column and CAGT amplifiers reportedly saves energy.