Pressure reducing device, disaster prevention equipment, and disaster prevention equipment

摘要

Problem to be solved: to provide a pressure reducing device excellent in operability, a disaster prevention device equipped with the pressure reducing device and a disaster prevention facility.SolutionOne decompressor 100 of the present invention comprisesA gas flow path is opened and closed by a sliding valve bodyValve bodyThe first thick portion 24 and the second thick portion 26 are provided so as to sandwich the thin-walled portion 25.Each of the sealing members 66 is provided with the first thick portion 24 and the second thick portion 26When closed by 68,The first thick portion 24 and the second thick portion 26 have a thin portion 25 capable of contacting the supply side gas so that the gas pressure of the supply side gas is substantially parallel to the sliding direction at leastWhen valve body 20 is openThe thin portion 25 constitutes a part of the gas flow path.Diagram