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Product Description Filament winding FRP heat preservation pipe with Lianzhong Brand is a kind of new heat preservation composite pipe which taking the filament winding FRP pipe as its inner duct, polyammoniaester as its middle heat preservation layer and the winding FRP pipe as its protective layer which against the outer pressure, and possesses the advantages of lightness, corrosion resistance, distinguished property of heat preservation, little liquid resistance and expedient installation and maintenance etc. The products had been used successfully in the transportation of thermal springs and underground hot liquid and the construction of the urban and plants heat-supply pipe net etc. The property of heat preservation can be designed according to customers' requires. Specification Diameter: DN25-2000 Pressure grade: PN1-25 Length: 1m, 3m, 6m, 12m
