Heating layout with normal flow and return - is equipped with one or more additional flow and return pipes fitted inside original flow and return pipes

摘要

The heating layout is used to heat a whole housing district. The normal flow and return pipes are fitted with additional flow and return pipes which are inserted inside the normal ones. The whole system can be wholly or partially equipped in the same way. Alternatively several sets of flow and return pipes can be inserted. USE/ADVANTAGE - Particularly advantageous to a district heating system.