| 摘要 |
PROBLEM TO BE SOLVED: To provide a relief valve that hardly causes front leakage and is stably operated.SOLUTION: A relief valve 104 a primary valve poppet 204 that is urged or biased into a closed position by a primary valve poppet spring 216, and a pilot valve 224 in communication with a valve compartment 222 of the relief valve 104. When a pressure of an exterior space 108 overcomes the pilot valve spring, a pressure within the valve compartment 222 is discharged to the exterior space 108 through an ambient pressure detector system 242, and the primary valve poppet 204 is opened and a path from an interior space 104 to a relief valve outlet 210 is secured. |
