PIPE UNIT IN CHANNEL FOR GASEOUS MEDIUM Russian patent published in 2014 - IPC F16L27/12 

FIELD: machine building.

SUBSTANCE: unit comprises a tubular body (11) with two end parts and contact surface (11b₁, 11c₁) located near at least one of end sections and able of contacting with the contact surface (2a₁, 4a₁) of the adjoining pipe (2, 4) in the pipeline (1). The contact surfaces (2a₁, 4a₁, 11b₁, 11c₁) are arranged so that the pipe unit (3) in connected state is movable in respect to the adjoining pipe (2, 4). The pipe unit (3) comprises a tubular flexible sealing block (8, 10) which at one end (8a, 10a) is rigidly fixed to the tubular body (11) and at the other end is fitted by a flange element (8b, 10b) being detachably coupled with the flange element (2b, 4b) of the adjoining pipe (2, 4) by a connection element (7, 9).

EFFECT: improvement of the design.

10 cl, 4 dwg