Special SF6 (sulfur hexafluoride) disassembly-free check valve group for outlet circuit breakers of large and medium-sized units

The utility model relates to the technical field of SF6 disassembly-free verification, in particular to a special SF6 disassembly-free verification valve group for outlet circuit breakers of large and medium-sized units, which comprises a multi-valve-port verification device, the multi-valve-port verification device comprises a valve body, one end of the upper surface of the valve body is respectively provided with a second valve port and a verification port in sequence, and the other end of the upper surface of the valve body is provided with a check valve. A relay valve port is installed on the surface, close to the lower portion of the verification port, of the valve body, a sixth valve port and a seventh valve port are sequentially installed on the surface of the bottom of the valve body, a valve switch is arranged on the side end portion close to the sixth valve port, and the valve switch is located on the surface of the middle of the valve body. According to the utility model, non-disassembly verificati