FIELD: machine building.
SUBSTANCE: group of inventions relates to gas ducts of gas feed systems at high temperatures and variable pressures in conditions of limited space location of gas sources and its consumers. Gas duct is spatially curved structure with inner sealing cover from heat-resistant rubber and outer power shell made from rubberised easy-deformable fabric connected to each other with formation of sealing collars at the ends clamped with flanges to places of connection when in use. Method consists in formation of sealing and power shells from composite materials, in the process of their connection with formation of sealing collars at the ends of the gas duct and deformation of initial cylindrical stock to required dimensions and shape.
EFFECT: higher construction reliability and workability, as well as wider field of use due to imparting gas duct with any required shape.
4 cl, 5 dwg
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