Pre-insulated PU Pipe

The preformed directly-buried polyethylene foam insulation pipe for high-density polyethylene outer protective sleeve is made by tight combination of medium-transmission steel pipe, polyurethane rigid foam insulation and high-density polyethylene outer protective sleeve. 

Description:
The product series are characterized in high efficiency, energy saving, low heat loss and high economical efficiency, and applicable for preformed directly-buried pipeline projects of high, medium and low water, with the pipe diameter between DN50 to DN1200 and the temperature below 150℃. In a number of domestic engineering applications, the effect is significant.

Raw Materials: 

imported polyurethane, 180℃ high temperature resistance; Scope of Application: preformed directly-buried pipeline projects of high, medium and low water, with the temperatures below 150℃; Product Specifications: diameter of inner pipe DN50 to DN1200, the diameter of outer tube is determined according to the design; Implemented Standards: Preformed Directly-buried Polyurethane Foam Insulation Pipes for High-density Polyethylene Outer Protective Sleeves and Code for Construction and Acceptance of City Heating Pipelines (CJ28-2004).