Air inlets and ventilator shutters are made of the rigid polyurethane foam with hard and smooth surface.
Our products are:
Our products are made of raw material systems formed by foaming agents that have zero ozone destruction potential (they do not contain HCFC freon) and possess certificate of hygiene HK/B/1603/01/2003 issued by the National Institute of Hygiene.
light and easy to install
ensuring a high level of tightness
resistant to chemicals, aggressive gases and dry rot
In order to prevent the access of pest to the facilities, the inlet includes a steel grating.
We offer the following sizes of "self-closing" or "self-opening" air inlets:
single small air inlets: 650 x 275 x 100mm or 650 x 275 x 115mm
single large air inlets:
858 x 375 x 121mm
double air inlets: 650 x 520 x 100mm
triple air inlets (special order): 650 x 795 x 100mm of flow capacity 4500m3
quadruple air inlets (special order), installed vertically and horizontally: 650 x 1040 x100mm of flow capacity 6 000m3/h
ventilator shutters 715 x 800mm for ventilators from Ø500 to Ø700mm.
Flow capacity max. 20 000m3/hour. The capacity depends also on the ventilator's type. When the ventilator is switched off the shutters close automatically.
See technical data
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