| 摘要 |
A charging valve tool apparatus for use in charging refrigeration units such as air conditioners, in which the tool is connected to the system to be charged and to compressed gas tanks for charging the system. The tool has a shaft running therethrough formed into a handle on one end and a plug engaging portion on the other end thereof. The shaft is adapted to slide through the casing into engagement with the plug and for rotation for opening the plug for charging of the system. Special seals are provided along with means to limit the sliding movement of the shaft.
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