Alnor knowledge base

2020-05-19Ductwork Airtightness vs. Gasket Selection

Do you know that airtightness in ventilation systems is an important issue affecting the airflow and system effectiveness? A number of requirements and quality standards imposed by manufacturers determine the competitiveness of that solution.

2020-05-08How to control heat recovery ventilation (HRV)? - the best solutions

More and more we rely on automation to significantly reduce time and our interference in processes we perform every day. This also refers to MVHR systems. See an overview of possible control systems.

2020-05-08The Beginners Guide To Mechanical Ventilation with Heat Recovery

Guide for Mechanical Ventilation with Heat Recovery - Find out what you should know before making a choice. What is heat recovery ventilation? How does it work? Where to install the Heat Recovery Unit at home? and more...

2020-05-05A Complete Guide to Duct Systems for Marine Applications

Shipbuilding is a highly challenging process especially in terms of installation of ventilation systems and air conditioning. The ventilation system must be resistant to changing weather conditions, high humidity and salinity, while being failure-free and easy in maintenance.

2020-05-05What types of ductwork are used in ventilation? Part I Spiral Ductwork

A ventilation air duct is the basic element of a ventilation system. Ventilation ductwork can be divided according to its shape, namely, circular, rectangular and oval or acc. to the material: metallic rigid or flexible ducts or non-metallic semi-rigid.

2020-04-30Why Does Stainless Steel Corrode? - How-to Guide for Stainless Steel Use

Does stainless steel rust? Unfortunately, it does. Although stainless steel is known from high corrosion protection properties and is recommended for aggressive environments, it doesn’t give complete “immunity” to corrosion.

2020-04-06Copper versus COVID-19 - Honest study summary

The danger of developing microorganisms in HVAC systems and the potential formation of bacterial infections in the environment of transported air to the rooms cause anxiety among society. Find out why copper ventilation is recommended.

2020-03-13How-to: Welding plastic ventilation ductwork

The choice of welding method is determined by the form of the joined elements, applications, operating conditions, chemical structure and physical properties of the joined materials. In this article, you will learn the techniques of welding plastics.

2020-03-09What is a Constant Volume Flow Regulator?

Self-adjusting Constant Airflow Regulators also referred to as self-regulating and automatic air volume regulators without external power supply. Airflow rate is regulated by rotating damper blade or other elements that throttle airflow and are connected with spring to counteract closing torque.

2020-03-068 Common Dust Extraction System Mistakes

You've invested in high-efficiency equipment and tools for Your woodworking shop, but is your dust extraction system working at peak efficiency? Find out about the most common mistakes when designing dust extraction and collection system and how to avoid them.