Valve, hydraulic system, construction machine, and movable valve body

摘要

Problem to be solved: to provide a valve, a hydraulic system, a construction machine and a movable valve body capable of reducing the delay in response of the proportional solenoid valve.Solution: a housing 220 having a storage space 221 for storing working fluid, and a movable valve body 201 which is housed in a housing space and is moved in the accommodation space and is discharged in the accommodation space and discharged to the outside of the accommodation space when the working fluid is stagnated and the working fluid is stagnated, and the working fluid stored therein Valve.Diagram