DOUBLE INTAKE FAN DIRECTLY COUPLED

DDA9/7P4

The DDA series is of the double-intake centrifugal type with forward-bladed impeller and OPEN or CLOSED motor directly coupled to the impeller, can be 4-pole (1400 rpm), 6-pole (900 rpm), or three-speed (1400- 1100- 900 rpm), suitable for operation with speed regulation. The temperature of the conveyed fluid must not exceed 40° C.

Data sheet

Accessories

  • Cerebro and/or Easy series switchboard
  • Speed controller (single phase)
  • Support feet with anti-vibration kit
  • Flange on the pressing mouth
  • Minicastle series aphonic box

Technical characteristics

kW

0,42

Voltage

1PH

Current (A)

3

Polarity or No. turns at 1'

Poles 4

Type of controller

RV5A

Dimensions

B x D x H (mm)

303X378X392

Mouth Pressing base "b"

232

Mouth Pressing height "h"

261

Weight KG

10

CIMI Srl reserves the right to change dimensional dimensions and/or performance for improvements or range changes without what is on the site being binding.

The reported data meet the following parameters:

  • - Tolerance on flow rate ±5%
  • - Noise tolerance +3dB(A)
  • - Air temperature 15°C
  • - Barometric pressure 760 mm Hg
  • - Air specific gravity 1.226 kg/m³
  • - Frequency 50 Hz

Sound pressure level was measured by omnidirectional free-field measurement at 1.5 or 3 m (depending on the product) from the fan with ducted inlet, tolerances, performance points and environments according to European standards.

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