In this image, natural gas is discharged through a two-inch diameter pipe and ignited as part of an SwRI-conducted test to evaluate pressure relief valves. Temperatures and heat fluxes were measured ...

Q: My water heater leaks from some type of a brass valve on the side of the tank near the top. There is a pipe that comes out of the valve at a right angle that looks like it goes through the wall.

SPOKANE VALLEY, Wash. — If you’re wondering what that strange ‘hissing’ sound is in Spokane Valley, you aren’t alone. The sound is coming from a natural gas line pressure relief valve in a field near ...

In this image, liquid nitrogen is expelled through a pressure relief valve as part of an SwRI-conducted test to determine their viability for liquid natural gas tanks in the event of a train ...