FIELD: pipe-line engineering, particularly, joints of fiber glass plastic or metal tubes using in main pipe-lines for transportation of petrochemical products and hot water supply. SUBSTANCE: pipe joint contains annular sealing member placed between tube ends and clasping internal metal ring, and threaded catch. The internal metal ring and annular sealing member are provided with two-sided corresponding conical surfaces. The annular sealing member, if necessary, is provided with thin-walled metal ring. EFFECT: enhanced reliability of the joint. 2 cl, 4 dwg
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