PRESSURE RELIEF VALVE

摘要

A pressure relief valve includes a first end portion which defines a first opening. A second end portion is connected to the first end portion. A second opening is provided adjacent the second end portion. A through hole extends between the first opening and the second opening. A plurality of grooves are separated from the through hole by the second end portion. The grooves are positioned circumferentially about the second end portion and each groove comprises a depth which is greatest adjacent an end of the valve and gradually decreases from the end.