FIELD: connection of pipe lines made from different materials. SUBSTANCE: pipe line joint includes movable flange, elastic ring and bush fitted on end of one of pipe lines to be connected for free motion along it. Fixed flange is rigidly secured on end of other pipe line. Flanges are coupled together by means of fastening members; lateral taper surface of bush is engageable with inner taper surface of fixed flange. Bush is provided with longitudinal through slot; conicity of lateral surface of bush exceeds conicity of inner surface of fixed flange. EFFECT: enhanced reliability of joint. 3 dwg
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