Heat Pipe Series

PE-RT  II  prefabricated  directly  buried  insulation  pipe  -  high-density polyethylene outer protection pipe polyurethane foamed prefabricated directly buried thermal insulation composite plastic ( referred to as PE-RT II thermal insulation composite pipe plastic pipe) , which is closely combined with high- density polyethylene outer protection pipe , polyurethane foam insulation layer and working pipe . PE-RT II prefabricated directly buried insulation pipe has excellent performance and is used in the urban central heating secondary pipe network pipeline system , its outer protective layer, insulation layer, working pipe  three  parts ,  the  outer  protective  layer  material  is  high-density polyethylene; The insulation layer is made of rigid polyurethane foam; The PE- RT II working pipe is made of type II heat-resistant polyethylene ( PE-RT II) special pipe raw material , which is resistant to low and high temperatures up to -40 to 110 ° C.