HDPE one method/two method polyurethane heat preservation pipe production line

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HDPE one method/two method polyurethane heat preservation pipe production line


   1. Such three layer PE system mainly contains blasting section, coating section, inspection section and so on. The three-layer PE anticorrosion structure includes fusion bonded epoxy-powder bottom layer, polymer adhesive middle layer and polyethylene top layer.    The epoxy powder is a kind of thermosetting nontoxic coating, forming the high molecular weight cross-linking structure coating after solidifying, featuring good chemical anticorrosion and higher mechanical properties. The function of epoxy-powder bottom layer is to form continuous coating, providing excellent adhesion by agglutinating and solidifying the steel tube surface with good chemical resistance and cathodic disbanding resistance. The function of polymer adhesive is to agglutinate the epoxy powder before gelation, and to agglutinate the polyethylene top layer, which unites all three layers together. The three-layer PE process, with the epoxy powder coating as bottom layer, binding and bundling through polyethylene PE and adhesive, is widely used in anticorrosion of steel pipes at home and abroad, and applied to the oil pipeline and gas pipeline, as well as to the gas supply and water supply for civil use.

   2. HDPE One /Two step method polyurethane heat preservation pipe production line Isolate heat layer and anti-corrosion layer are wrapped on steel pipe at the same time, continuous production, high efficiency and low cost. In-line ball blast and de-rust, in-line painting and antirust treatment; In line complete automatic hydraulic deviation revising machine, high precision, stable and reliable. Multi-roller pressing transmission to convey steel pipe. Steel pipe range:Φ45-Φ1420mm.

HDPE pipe range: Φ110-Φ1590mm.    




Pipe diameter


SJGF-400-4 claw




SJGF-800-6 claw




SJGF-1500-8 claw




   Widely applied to central air conditioning, architecture, chemical industry, medicine, textile, metallurgy, ships and cars, appliances industries and department of cold heat pipe, containers, can achieve reduce cold loss and the effect of heat loss    

Competitive Advantage:

   Bowed resistance, heat resistance, cold resistance around, flame retardant, waterproof, low thermal conductivity, shock absorption, sound-absorbing excellent properties, etc Qingdao Long chang jie co., LTD is specialized in producing all kinds of anti-corrosion insulation equipment of professional manufacturers Company produce the extruder, PE jacket pipe. drawbench machine ,tractor machine. Hydraulic seal machine. High and low pressure polyurethane foam machine Foaming platform the outer wall of steel pipe shot blasting derusting machine One-step foam jacket pipe equipment 2PE 3PE etc  

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