Called air extractors -- or cabin exhausters, pressure relief valves, or cabin pressure relief vents -- these flaps are usually located under your car's bumper cover, under the trunk, or behind a rear ...

If a pressure relief valve for a boiler is accidentally installed on a water heater, it will leak like crazy from the start. These valves may look identical, but they're set to go off at 30 psi ...

After writing a blog post about leaking temperature and pressure relief (TPR) valves at water heaters, I learned that this particular issue seems to completely befuddle folks. In the two years ...

In April 2020 the driver of an HGV hauling nitric acid noticed vapour coming from the tanker barrel in the area of the pressure/vacuum relief valve. He stopped at the roadside and rang the ...

1. A pressure relief valve (PRV) protects equipment by automatically opening to vent process media when the pressure in the inlet nozzle overcomes the downward force of the spring.

All DOT-111 tank cars ordered since October 2011, and built to transport crude oil, adhere to tougher CPC-1232 AAR Tank Car Committee standards. They are equipped with a thicker, more ...

High-pressure steam boilers were blowing up all across the land and a big reason for that had to do with the relief valves of the time. In 1905, a boiler in a Boston shoe factory blew up, traveled a ...