| 摘要 |
Provided is an integrated check-relief valve in which a retreat amount of a valve seat member can be regulated when a relief valve is in operation, and an inclination of the valve seat member and a slant of a relief spring can be prevented. In an integrated check-relief valve 1 including a valve housing 2, inside the valve housing 2, a check ball 3 and a valve disk 4 with which the check ball 3 can come into contact are provided so as to be movable in an axial direction, a check spring 5 which urges the check ball 3 to the valve disk 4 side, a relief spring 6 which urges the valve disk 4 to the check ball 3 side, and a guide member 8 which guides the relief spring 6 from an inner circumference side are provided. A movement amount of the valve disk 4 with respect to a side where the relief spring 6 contracts is regulated by a distal end portion of the guide member 8. |
