Produits
EFi 75xx – ex-proof ventilator
In potentially explosive environments, the transport ventilator Efi 75xx is the right choice. They draw off dangerous gases safely and quickly.
The casing is made of a robust ABS carbon plastic passes voltage into the floor and thus prevents static charges and for this reason dangerous sparking. The casing and motor sealing is in keeping with the high protection class IP65 and offers an effective protection against dust and water. Anti-static hoses ensure safe operation.
ATEX: motor/housing: II 2 G Ex db eb IIB T6 Gb, II 2 G Ex IIB T6 Gb, Zone 1+
Special features in explosion-proof areas
Installation conditions and different hazardous areas have to be observed. Connect device to explosion-proof power socket only. Earth anti-static hoses, when required.
Fans for explosive atmospheres
Fans with ATEX approval may be operated in Zone 1 and 2.
Zone 1 is an area in which a hazardous explosive atmosphere consisting of a mixture of air and flammable gases, vapours or mists is likely to occur in normal operation occasionally. The equipment is approved for substance group IIB. A typical gas for group IIB is ethylene with an ignition energy of 60 - 180 mJ.
Ventilation of shafts
If the existing natural ventilation in shafts and duct systems is not sufficient due to local conditions such as the location of the shafts or their cover properties, additional, technical ventilation measures become necessary. Especially in warm temperatures, when the air in the manhole is cooler than that in the surrounding area, it is often not possible to provide sufficient ventilation. Even temporarily opening manhole covers is not always sufficient for optimal ventilation.
In sewer shafts, for example, foul gases can displace the oxygen in the air and thus lead to unconsciousness among sewer workers. This can be remedied with targeted technical ventilation and powerful fans. The fresh air then reaches the workplace directly and prevents health impairments caused by bad air.
Sufficient technical ventilation is achieved when, for example, an air flow of at least 600m³/h per m² of duct cross-section is achieved in ducts.
Caractéristiques clefs
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Axial ventilator explosion-proof with an air flow rate of 4250m³/h
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Protection class IP65 (effective against dust and water)
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Robust housing made of high-quality plastic
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Low energy consumption
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Easy transport ensured by practical handle
Caractéristiques du produit
Débit d’air
Pression de l'air maximale
Type de ventilateur
Consommation électrique
Alimentation électrique
Courant nominal
Indice de protection
Niveau sonore
Diamètre de gaine
Taille du produit (l x l x h)
Poids net
Convenable pour
Accessoires et consommables
Code produit: 1250066
Accessoire pour ventilateur EFi 75xx
Téléchargements utiles
Heylo Catalogue
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Aperçus recommandés
The importance of drying out new buildings during the construction phase.
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