| 摘要 |
FIELD: the invention refers to the field of machine building more concretely to pipeline elements contacting with chemically aggressive agents. ^ SUBSTANCE: the fitting has a figure metallic tubular body interactive with an inner polymer layer at the end of which there are means for connection with the main pipeline. The latest is fulfilled in the shape of an exterior polymer layer on the end faces and at the ends of the metallic body of the fitting that are provided with ring grooves for interaction with the polymer layer. ^ EFFECT: provides connection of the ends of the fitting with the elements of metal-base laminate tubes with the aid of bushings with an electric heater. ^ 5 cl, 4 dwg |
