In multi-storey buildings it is often not possible to perform thermal smoke extraction in the event of a fire. For just such cases, we design solutions based on mechanical smoke extraction using flue gas ventilators. With a thermal smoke extraction system, any rise in temperature will result in more air being extracted. However, this is not possible with a mechanical smoke extraction system. In order to plan such systems cost-effectively, therefore, the probable volume of flue gas and the temperature of that gas must be precisely calculated. As is also the case with thermal smoke extraction, early activation of the fans by means of smoke detectors or temperature sensors plays a decisive role in the effectiveness of the system as a whole. To enable the planned volume of air to actually be extracted, it is essential that sufficient fresh air can flow into the building.
ESSMANN de-smoking roof ventilators
with vertically-oriented, twist-free air outlet are suitable for removing smoke in the event of a fire, for example in multi-storey buildings where natural smoke extraction is not possible. The ventilators are tested and certified in accordance with DIN EN and approved by DIBT. They are suitable for dealing with fumes of up to 600°C for 120 min. and for continuous operation as a ventilator up to 120°C. ESSMANN de-smoking roof ventilators consist of a well designed, enclosed aluminium housing. Smoke is blown out through cover flaps that open and close automatically and that are covered to protect them from the weather when at a standstill. All parts that are subject to mechanical stress are made of galvanised sheet steel.
Various pedestal designs enable the ventilators to be installed in any supporting roof structure; they can be connected to a duct system or on a free-intake basis. Single-speed or two-speed versions that are speed-controlled during ventilation are available. ESSMANN de-smoking roof ventilators can also be used in conjunction with de-smoking ducts in accordance with DIN 18232-6. |
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ESSMANN de-smoking wall ventilators
with vertically-oriented, twist-free air outlet are suitable for removing smoke in the event of a fire, for example in multi-storey buildings where natural smoke extraction is not possible.
ESSMANN de-smoking wall ventilators consist of a housing made from an extremely stable sheet steel design. They are suitable for dealing with fumes of up to 600°C for 120 min. and for continuous operation as a ventilator up to 80°C. Single-speed or two-speed versions that are speed-controlled during ventilation are available.
ESSMANN de-smoking wall ventilators can also be used in conjunction with de-smoking ducts in accordance with DIN 18232-6. |
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ESSMANN controls for mechanical smoke extraction
Mechanical smoke and heat extraction systems (MSE) are controlled via modular control centres. These control centres are designed in line with customer requirements and requests, together with your specialist field consultant. |
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