The purpose of the present invention is to provide a device for separating a projectile pipe capable of easily separating pipes formed in each end in a process for separating the end of a projectile and separating the pipes in the projectile without electrical signals or separate outdoor members. The device (1000) for separating the projectile pipe of the present invention comprises a pipe accommodating member (111) formed in a first pipe (110); a pipe separating member (400) having elastic force installed on the outer circumference of the pipe accommodating member (111); an air tightness maintaining member (500) for maintaining the air tightness in the flow of high pressure air of a pipe joint; a pipe inserting member (211) formed in a second pipe (210); and an end separating surface (230). The device (1000) for separating the projectile pipe is capable of easily separating the pipe as the end is separated without electrical signals or separate members.
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