How much is it for Hebei DN20-DN 1400 polyurethane prefabricated directly buried hot water insulation pipe hot water insulation elbow? Its structure consists of three parts: outer protective layer, insulation layer and anti-leakage layer. The outer protective layer is made of polyurethane, glass fiber reinforced plastic or other materials. There are three laying methods: directly buried, overhead and trench. The directly buried insulation pipe consists of a steel pipe for conveying medium, a high-density polyethylene jacket and a polyurethane rigid foam insulation layer filled between the steel pipe and the jacket.
Product advantage
Good thermal insulation performance and less heat loss, which is 25% of that of traditional pipes. Long-term use can save a lot of energy.
Convenient construction, low comprehensive cost and excellent corrosion resistance and impact resistance.
Long service life, up to 30-50 years.