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User & Safety Instructions 3161415 Helios Ventilatoren 2600 Cover
Description
To prevent cold air from entering the fan while the fan stands still. Function due to fan operation. Cylindrical steel plate housing with flanges on both sides. Can be screwed directly on the fan base plate or the flange. Punching machine according to DIN 24155. Silent operation Spring mechanism outside air flow, locking force adjustable.
This text is machine translated.
Description
To prevent cold air from entering the fan while the fan stands still. Function due to fan operation. Cylindrical steel plate housing with flanges on both sides. Can be screwed directly on the fan base plate or the flange. Punching machine according to DIN 24155. Silent operation Spring mechanism outside air flow, locking force adjustable.