“Pressure relief valves positioned on either the suction or discharge sides are not notably distinct, aside from their designated pressure ratings,” said Aschow. “Currently, there exists a substantial ...

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 ...

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 ...