PE-RT pipe for Ground-Heating Pipes. 1>Strong,longs service 2>Chemical proof 3>Heat/strength resistance 4>Easy installation PE-RT pipe for Ground-Heating Pipes. 1. ... Excellent hot stability and long-term pressure resistance: It can be applied in the heating and ... the beverage, drinks, milk, etc. In food industry. PE-RT pipe for Ground-Heating Pipes.