Abstract: The subject of the invention is a device for compensating for the movement of the pipelines which supply two separate gaseous agents to an industrial revolving appliance. The device possesses two independent systems of compensation positioned coaxially such that an external conduit movement compensation assembly is positioned relative to the external conduit. Each of the compensation assemblies possesses a packing comprises the body (15) and (25), the sealant (16) and (26) placed inside it and the gland (17) and (27) and two elastic collar-type articulated joints comprises elastic collars (19) and (29) and spacing rings (20) and (30), holding rings (21) and (31) and fastening rings (22) and (32).