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 ...
Pressure regulators, more commonly known as pressure-reducing valves, keep the output pressure constant in compressed-air systems no matter how the input pressure or output flow changes. They contain ...
Can you remember the first car or motorbike you owned? The irresistible look and feel of its solid steel construction, and your proud feeling during the first drive through your brightly lit city.
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