FIELD: construction and repairing of pipelines.
SUBSTANCE: pipeline heater comprises heating unit provided with heat insulating layer, electric heating members, and heat control chamber that connects the heating unit with the ring chamber. The faces of the heating unit and ring chamber are provided with flexible sealing member. The heating unit is provided with reflectors interposed between the heat insulating layer and electric heating members.
EFFECT: reduced heat loss.
8 cl, 7 dwg
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