Therma Tube
Pre-Insulated Straight Pipes

Hermans Techniek Nederland has been a supplier of pre-insulated straight pipes for more than 30 years. Successfully developing a network of global installers, our pre-insulated pipes have been laid in thousands of kilometres to sustainably carry water at a constant temperature and reduce the need for heating or cooling. The pre-insulated pipe system (district heating) is the most widely used system for heat networks and is the perfect solution for a multitude of sectors and applications.

Our pre-insulated steel pipes are our standard option. Please contact us here for any special requirements.



High efficiency




Easy install

Products Range