Open the dump valves on supertankers and uncap offshore oil wells.
Diesel engines do not require dump valves (see the turbocharger article for more information).
The dump valve for the loop and also functions as a drain for water.
Both added a new supercharger for improved performance, along with a dump valve to avoid overboost.
Double dump valves have two trap-door flap plates which open and close on an alternating cycle.
Timing of the flap plates is critical in order to make sure a double dump valve operates properly.
Depressurization occurs when the dump valve is opened.
Cautiously, wincing a little at the pain in his hands, he closed the dump valve again.
When the wing fuel was gone, Jake closed the dump valves.
Tom was already manipulating the tank's dump valve.