- Efficient.
- Versatile.
- Fast.
As leading owner-operated company for high-quality industrial and highspeed doors, ITW Industrietore GmbH enjoys an excellent reputation among suppliers, partners, customers and employees. The wide range of products, our service performance and, not least, our employees who stand behind it all are our guarantee for success.
ITW Industrietore GmbH accomplishes the entire process: right from the idea all the way until the doors go into service. Our focus is on the uniqueness of the products regarding design and technology. ITW industrial doors are versatile and we find a suitable solution for each business sector. That is why you find our industrial doors in many lines of business such as transport and logistic companies, car manufacturers, industrial and chemical plants, food industry, and at airports as well.
Areas of application
Energetic effects of U-value and opening speed
The insulation properties of a component can be read from the U-value. The higher the U-value, the worse the insulation effect, the lower the U-value, the better the insulation effect. One should think that the energy efficiency increases with the increasing U-value of a door in the outer wall.
What many do not know, however, is that the U-value is not the only factor that makes a door energy efficient. Energy losses in an industrial door arise through heat transmission (U-value), air permeability, power consumption and air flow.
The more often the gate opens and closes, the more important it becomes to reduce the air flow. The air flow is reduced by increasing the opening and closing speed of the industrial door in the building opening. In the optimal case, a high-speed spiral door is used for this.
A sectional door opens at approx. 20 cm / s, whereas a spiral door opens at approx. 250 cm / s. With a cycle of 50,000 openings and closings per year, this means a 293% higher energy loss when using a sectional door compared to a spiral door.
By using a high-speed spiral door, energy costs can be saved and sick days for employees can be reduced.
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