FIELD: machine building.
SUBSTANCE: heat-insulated flexible multi-layer polymer pipe not spreading flame includes central pipe, barrier layer, reinforcing layer, bonding layer, heat-insulating layer and water-proof layer, layer with antipyretic and antidotic agents made of polymer material on the base of polyolefin, protective shell made of galvanised flexible metal sleeve.
EFFECT: provision of non-spreading of flame and decomposition products of elements of its structure under the influence of high temperatures in case of fire hazard, provision of flexibility for performing installation and repair and renewal operations in hard-to-reach places, provision of resistance of its external surface to mechanical damages that can occur at operations with pipe in hard-to-reach places.
3 cl, 1 dwg
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