To provide a pipe joint structure for extinguishing equipment for gas fire which eliminates restrictions in increasing the capacity of a conduit and a withstanding pressure by facilitating the connecting of an extinguishing agent storage container to a collection pipe with a narrow space and simply.

A tube part 53 of a flexible tube 50 where 90°elbows 51 and 52 are arranged at both ends thereof is bent at a specified angle while one 90°elbow 51 is directly connected to a container valve 4 of the extinguishing agent storage container and the other 90°elbow 52 is connected directly to a connection pipe 61 of a collection pipe 6. The extinguishing agent storage container is connected to the collection pipe 6 extended to an upper part thereof.