Alnor knowledge base - Page 6

2017-06-27Vibration damping solutions in ventilation systems

In a standard ventilation system, there are many vibrations and noises which are transmitted in the metal ducts, generated by air handling units - fans, heat recovery units, and chillers. A properly installed ventilation ductwork should have built-in components to counteract the transmission of these vibrations or significantly isolate and dampen them.

2017-06-01Plastics in ventilation

Plastics based on polymers are applicable in many industry fields, The sanitary industry has taken advantage of the solutions based on the so called plastics for many years.

2016-06-27Brief - STRUT support system

Easy, quick and precise installation of ducts even in hard to reach places is the main advantage of the STRUT support system. The available selection of mounting accessories make for a fully professional fixing system.

2016-06-27PWQ-R flange cleat – for fast duct joining in hard to reach spots

The PWQ-R flange cleat is used for joining rectangular ducts. A channel of particular length is slid on PQ-20 or PQ-30 duct frame profiles. Bent edges provide an easy way to slide and hammer the channel. SAVE time and room!

2016-04-06What is ErP 2015?

ErP, that is, ”Energy related Products” means products related to energy. In order to accomplish the objectives of the EU Climate and Energy Package the EuP directive - “Energy-Using Products” was issued in 2005, which was thereafter replaced by the ErP directive in 2009.

2016-02-01Axial and in-line fans

Fans can be divided in several ways: by place of installation, e.g.: in line, wall mounted, ceiling mounted; by application, e.g. for kitchen canopies, chemical resistant, desmoking; by fan construction, e.g.: axial, radial. The present article will present the most important features of in-line duct fans as well as axial, wall mounted fans.

2015-10-26Enthalpy- facts & myths

Would You like to know the difference between the standard heat exchanger and enthalpy exchanger? Is moisture recovery new trend word or does it really matter? Read our article to get the answer to these and more questions!

2015-10-22How can You install heat recovery unit in the ready-built house?

We have a solution! Our new heat recovery unit HRU-WALL is easy and quick to install. You don't have to hire renovation time, You can easily do it Yourself, just follow instructions manual.

2015-05-25Electric round duct heaters

HDE and HDE-CO circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. They are designed to work with the duct fans. HDE and HDE-CO circular duct electric heaters can be used to heat air in shops, offices, homes, workshops, garages, warehouses, production halls, etc.

2015-02-26Roof fans

Most often roof fans constitute elements of mechanical ventilation systems or support natural ventilation. Their function is to discharge the appropriate quantities of contaminated air from rooms in order to keep its quality at the right level.