- Description
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Impeller The impeller and blades are made of galvanized steel plate. Motor The RQ Ex centrifugal fan is equipped with an asynchronous three-phase motor with external rotor and squirrel-cage. The motor is housed inside the impeller and is cooled by the air flow during operation. Terminal block The electrical installation of the fan itself is terminated with a special explosion-proof terminal block with IP 66 protection. The electric motors must not be connected in a triangle. They are always connected only in star. Installation The fans are designed for indoor and outdoor use. They are used to transport air free of solid, fibrous, sticky, aggressive impurities. The air shall be free of chemicals that cause corrosion of zinc, copper and aluminium. The permissible ambient and transport air temperature is between -20 and +40 °C. In terms of the EN 60079-10 hazardous area classification, the fans are designed for the environment and for extracting air from the environment zone 1. The RQ explosion-proof fans in the secured "e" version belong to group II according to EN 60079-0 and are marked with the explosion-proof symbol II 2G Exe II TX. The fans themselves are marked with the explosion-proof symbol II 2G c IIB+H2 TX. Speed control The fans in the Ex version are supplied only with three-phase electric motors. The TRN or TRRD three-phase controllers are used to control their speed (power). Materials The outer casing of the RQ Ex fan and the connecting flanges are made of galvanized (Zn 275 g/m2) steel sheet. The electric motor housing is made of aluminium alloys. - Additional Information
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Weight [kg] 11 Availability within a week Manufacturer Remak Type of good fan Design duct, non-explosive Protection IP IP44 - Download
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Data sheet ds-rpex-rqex-en.pdf Instruction manual (.pdf) manual-vento-en.pdf - Reviews
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