Frequently asked questions

This is permitted in structural concrete, floor screeds, anhydrite floors etc. For more information, please consult our technical manual.

During a short period, it is permitted. Our Henco pipes must not be permanently exposed to sunlight. However, Henco fabricates specific UV- beams for open air applications. Always consult the technical manual.

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The minimum temperature for Henco multilayer pipe and fittings is -20 °C. The minimum temperature for our synthetic pipe is somewhat higher, namely +7 °C.

his is allowed in combination with our Henco multilayer pipe for gas and Henco PVDF fittings for gas, both with gas marking. You will usually find these applications in your home, on your boat or in your caravan. Please consult our technical manual for more information. This application is only allowed in countries where there is a Henco gas mark and certificate available.

This is only permitted in combination with Henco standard multilayer pipe and synthetic PVDF fittings. The brass parts of our brass products must not come into contact with this.

This is permitted in combination with Henco multilayer pipe and synthetic PVDF fittings. The brass fittings must not come into contact with this medium.

If there is a risk that your Henco pipes may freeze, we advise you to drain them in time. What you can also do in this situation is to thoroughly insulate your pipes or apply heat tape.

A Henco system, with Henco multilayer pipes and Henco fittings, can be used for an application with cooled water. This is possible with PVDF- as well as brass fittings. The correct ratio for this application is Glycol 45% and water 55% and the minimum temperature should be -10°C.

Henco pipes can be painted if you use water-based paint. However, the adhesion will not be optimal.

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