Backward Centrifugal Fan (DIDW)

The BCD series of centrifugal fans with forward impellers were developed with advanced technologies. They are designed to bear the BS and ISO standard for air performance, sound, and efficiency which are equivalent to AMCA and DIN standard.

Range Size: 200mm – 1250mm

Air Flow: 120.000 m3/h

Pressure: 3.000 Pa

Material: Hot galvanized steel or requested.

Motor: IP55, Class F

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    Casing

    –   Range sizes from 200mm to 1000mm is made of hot  galvanized steel.

    –   Size ranges are from 200mm to 1400mm diameter.

    –   For sizes 1120mm and 1400mm are made of mild  steel with powder coated.

    –   They have thickness from 1.2mm to 5.0mm upon  diameter

    Impellers

    –  BCD: Backward curve and mild steel with powder coated.

    –   Balanced to ISO 1940 with G2.5mm/s standard.

    Shaft

    –   The shafts are made of45 Cr carbon steel bars.

    Bearings

    –   High quality ball bearings are used in SKF, NSK, Peer. The bearing service life (L10) are over 100,000 hours (L10 >= 100,000 hours)

    Belt and Pulley

    –   Belt: High quality such as Mitsuboshi

    –   Pulley: Tapper lock with SPZ, SPA, SPB, SPC

    Motor

    –   Motors incorporated are TEFC and IEC 34-1.

    –   Standard motors are protected to IP55 with Class F

    –   Motors are suitable for speed control by frequency inverter, subject to fan selection.

    –   Available specific for project requirements such as: 220-240V / 380-415V-50Hz IE1, IE2, IE3 and IE4 Efficiency Classes 2-speed (Full/Halfand Full/Two Thirds)

    –   High temperature motor and double speeds motor (Class H): 250oC/2hrs or 300oC/2hrs.

    –   Explosion proofmotor: Class F and IP55 or IP66

    Fan Performance and Sound Data

    –   The performance is tested international standards by BS 848-1:1985 and ISO 5801.

    –   All measurements of the sound are in accordance with BS 848-2, test method 1 and ISO 13347-2 for acoustic performance.

    –   Sound data are determined according to BS EN ISO 5136 – In-duct method

     

     

    USER'S MANUAL CENTRIFUGAL FAN 2020 PHẦN 1

    USER'S MANUAL CENTRIFUGAL FAN 2020 PHẦN 2

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