Our test procedures allow flow monitors to be subjected to a flow test under cyclic load. On the one hand, we test the function of the flow monitor at the minimum flow velocity specified by the manufacturer and, on the other hand, the load capacity of the flow monitor under a permanent cyclic load.

The number of switching cycles tested can be based on the requirements of DIN EN IEC 60076-22-1 section 7.5.3.3.3 [1].

The pressure loss coefficient of a smoke control damper depends essentially on the geometry of the damper, the installation position, the opening angle and the geometric dimensions of the connected smoke extraction shaft. The interdependencies and the resulting pressure loss coefficients can be determined experimentally at the I.F.I.

Blower door tests are used in the construction of new buildings to detect and seal air leaks in the building shell. The basis for this are the local Building Energy Acts, which prescribes the minimization of heat transfer to the outside. For this purpose, an affected part of the building is sealed and a negative or positive pressure is generated in the doorways using fans. The air volume flows are then measured and provide an indication of possible leaks.

The I.F.I. supports its customers with appropriate measurements and has the necessary equipment for this.

On behalf of our clients, we also determine the positional stability of green roof structures for inverted roofs. For this purpose, the pressure equalization between the roof cladding and the surroundings and a wind load reduction factor are determined in order to be able to calculate the actual uplifting wind force acting on the green roof components. The appropriate ballasting for the roof is then determined on this basis.

With the help of tracer gases, we can determine the ventilation of special duct systems (such as in a specific special case of a grease separation system) and provide information on how to improve them. With these tests, we help our clients from industry to gain more influence on the concentration of gases in the systems.

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