EC/AC centrifugal fans RadiCal

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4x90°Inlet nozzlesVers. 1 Vers. 2- Material: galvanised sheet steel6x60°Inlet nozzles without measuring device for backward curved centrifugal fansPart no.SizeVers.Dimensions09566-2-40131331see corresponding product page09576-2-40131901see corresponding product page09609-2-40132202see corresponding product page96358-2-40132251see corresponding product page96359-2-40132501see corresponding product page28000-2-40132801see corresponding product page31000-2-40133101see corresponding product page35500-2-40133551see corresponding product page54476-2-40134001see corresponding product page45901-2-2943 *4502see corresponding product page50901-2-2943 *5002see corresponding product page54482-2-40135602see corresponding product page63300-2-40136302see corresponding product pagesubject to alterations* Material: Plastic ABSEffects of installation spaceWhen mounting our product in a rectangular box, air performancemight be reduced.BCurve:1,00D0,970,990,980,5xDDHD0,96d hBH= Hydraulic diameterFormula: d h = 2 x B x H / (B + H)= Width of box= Height of boxD = Outer diameter of the fanCorrection factor for air flow0,92 0,93 0,94 0,951,4 1,6 1,8 2,0 2,2 2,4 2,6 2,8Hydraulic diameter d h/D158
Inlet nozzles with measuring deviceWith piezometer ring- Material: galvanised sheet steelInlet nozzles with measuring device to determine air flow for backward curved centrifugal fansPart no.Sizek-valueDimensions96400-2-401325060see corresponding product page28003-2-401328077see corresponding product page31003-2-401331093see corresponding product page35503-2-4013355128see corresponding product page54501-2-4013400180see corresponding product page45910-2-2943 *450190see corresponding product page50920-2-2943 *500260see corresponding product page54492-2-4013560405see corresponding product page63310-2-4013630515see corresponding product pagesubject to alterations* Material: Plastic ABSAir flow determinationThe differential pressure approach compares the static pressure before theinlet nozzle with the static pressure inside the inlet nozzle. Air flow can becalculated on the basis of the differential pressure (difference in pressure ofthe static pressures) in keeping with the following equation:D0,5xDq V = k . Δpq V in [m 3 /h] und Δp in [Pa]If constant air flow is to be controlled to, then the nozzle pressure has to bekept constant:Δp = q V2: k 2Δpk takes into account the specific nozzle characteristics.Differences in static pressure are measured in 1/4 measuring point(s) alongthe circumference of the inlet nozzle. Connection on the customer side isacomplished via a pre-mounted T tube connector. This tube connector issuited for pneumatic hoses with an internal diameter of 4 mm.159
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EC/AC centrifugal fans RadiCal

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