- central heating systems (as elements of central heating installations for transporting hot water from the boiler to radiators);
- industrial installations (for transporting hot water or steam);
- solar collectors (for transporting hot water to central heating systems);
- heating installations (to transport hot water or steam to provide heat to buildings);
- steam systems (for transporting steam to generate electricity or for technological processes);
- chemical installations (for the transport of chemical liquids or steam).