As Alaska Airlines embarks on its mission to become a trans-Pacific carrier, it is turning to Portland as a "relief valve" to ease strain on Seattle's airspace.

The limits are based on pipe size and relief valve discharge capacity in pounds of air per minute. Pressure relief valves are designed to re-close as the pressure is reduced. However, the valve may ...

It’s the one that tells us about how when you squeeze air its pressure goes up ... The next time you’re near a relief valve that pops, thank Denis. And that’s not all the guy did. In 1690, he designed ...

Realizing that he may not be the only one wondering, I decided to write this post about these devices, which act as vital pressure relief valves. Normally, you don't see these air extractors (also ...

Neighboring Portland, then, will be the “relief valve,” CEO Ben Minicucci told ... we’re doing it incremental and I think overall Air Group and our guests are going to benefit from this ...