For instance, I heard from another bankruptcy lawyer that the system is an «economic pressure relief valve» for society as a whole. (lawyerist.com)
For Assembly Democrats, the final day of their fiscal work was part budget passage and part pressure relief valve. (buffalonews.com)
Land Rover has developed a unique, intelligent oil - pump pressure relief valve (PRV) which senses oil pressure deep in the engine's oil galleries to more accurately control oil pump delivery. (sybarites.com)