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Smoke extraction rectangular duct fans

BKD 450/4/4/70/40 F 400

BKD 450/4/4/70/40 F 400

HIGH TEMP. RECTANGULAR FAN 400°C/120 min., 3 PH

Ref.-No. 08563

Features

High temperature rectangular fan for applications with operating temperatures of 400°C/120 minutes Rectangular casing in galvanised sheet steel with rectangular flanges at both ends to connect to standard rectangular ducting. Fan and scroll area are easily accessible as impeller and motor swing out. Highly efficient backward curved centrifugal impeller made from sheet steel. Dynamically balanced to class G 6.3 DIN and ISO 1940 T.1. Totally enclosed, maintenance free fan cooled 3-phase motor, two-speed (star/delta connection) with thermal contacts. Low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:08563
Type:BKD 450/4/4/70/40 F 400
Flow rate free-blowing:6420 m³/h
RPM:1380 min-1
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:3.2 A
Nominal power:1410 W
Temperature class:F400
IP protection category:55
Insulation class:F
Duct dimension:700/400 mm
Weight:87 kg
Wiring diagram no.:1234
Acoustic data
Case breakout 58 dB(A) in 4 m