| 摘要 |
PURPOSE: A service valve for an air conditioner system and a connection structure thereof are provided to prevent crack or excessive compression of a refrigerant pipe and prevent the reduction of a flow path. CONSTITUTION: A service valve for an air conditioner system comprises a flow path, an expanded flow path(1115) whose cross-sectional area is greater than that of the flow path, a raised protrusion(1117), and a branch part(111) formed with male thread(1111) which is coupled with a compression nut(151) pressing the refrigerant pipe connector against the raised protrusion. A seal ring(170) and a refrigerant pipe connector(710) are successively inserted in the expanded flow path. The raised protrusion is extended from an end of the flow path in the radial direction to be connected to the expanded flow path and contact the side of the sealing ring inserted in the expanded flow path.
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