Fan Inlet Rings

Fan inlet rings are devices used to maximise the performance of fans, such as backward curved centrifugal fans, by guiding air into the impeller blade (the rotating part of a fan) inlet. Using a fan at peak efficiency minimises noise emitted and power consumption from the fan whilst delivering optimal performance.

What are fan inlet rings used for?

Fan inlet rings ensure smooth laminar flow (flow in parallel layers, with no disruption between the layers) of air as it enters the impeller.

How do fan inlet rings work?

Fan inlet rings are usually positioned with the ring surrounding the inlet, and slightly overlapping into the interior. This helps to reduce noise induced by turbulence, eliminate flow disturbances before air is let into the fan and keep power consumption to a minimum for maximum efficiency.

Fan inlet rings also serve the critical purpose of blocking exhaust air from re-entering the air intake. Due to the frequent exposure to atmospheric moisture, fan inlet rings are usually made of materials that don’t rust.


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Omschrijving Prijs For Use With Inner Diameter Outer Diameter Depth
RS-stocknr. 826-0944
Fabrikantnummer9566-2-4013
Fabrikantebm-papst
9,18 €
Each
Aantal stuks
Backward Curved Centrifugal Fan, ebm-papst Impeller 133 87mm 129mm 13mm
RS-stocknr. 191-9262
Fabrikantnummer109-1080
FabrikantSanyo Denki
4,00 €
Each
Aantal stuks
Centrifugal Fan 123mm 128mm 5mm
Nieuw
RS-stocknr. 205-6983
Fabrikantnummer109-1106
FabrikantSanyo Denki
10,11 €
Each
Aantal stuks
Centrifugal fan 56mm 98mm 87mm
RS-stocknr. 191-9261
Fabrikantnummer109-1073
FabrikantSanyo Denki
5,51 €
Each
Aantal stuks
Centrifugal Fan 165mm 170mm 14mm
RS-stocknr. 175-7151
FabrikantnummerU97XX-009C3
FabrikantMicronel
18,03 €
Each
Aantal stuks
U97EM series fans 34mm 37mm -
RS-stocknr. 191-9264
Fabrikantnummer109-1135
FabrikantSanyo Denki
11,01 €
Each
Aantal stuks
Centrifugal Fan 155mm 252mm 7mm
RS-stocknr. 175-7145
FabrikantnummerU97XX-500A9
FabrikantMicronel
20,85 €
Each
Aantal stuks
U97EM series fans 34mm 37mm -
RS-stocknr. 191-9263
Fabrikantnummer109-1081
FabrikantSanyo Denki
4,25 €
Each
Aantal stuks
Centrifugal Fan 134mm 139mm 21mm