Blowers & Centrifugal Fans
Double Inlet Forward Curved Impeller — 133 Series
Double inlet forward curved impeller blowers in the 133 series, delivering high airflow for demanding HVAC and industrial cooling applications.
Catalogue Specifications
Models and Technical Data
Catalogue values are shown in their published units. Final selection and operating-point suitability should be confirmed with SEM engineering.
| Type | I/P Supply | Amps (A) | Watts (W) | RPM | Airflow CMH | Airflow CFM | Static PR (mm-wc) | dBA | CAP µf | Amb. Temp °C | Weight Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SDB 133 T4 | 415V, 3Ø, 50Hz | 0.38 | 100 | 1450 | 550 | 324 | 30 | 55 | — | 60 | 4.2 |
| SDB 133 S2/35 | 230V, 1Ø, 50Hz | 0.8 | 180 | 2300 | 825 | 485 | 44 | 60 | 3.15 | 60 | 4.2 |
| SDB 133 S2/25 | 230V, 1Ø, 50Hz | 0.5 | 140 | 1750 | 620 | 365 | 38 | 55 | 2.5 | 60 | 4.3 |
| SDB 133 S4 | 230V, 1Ø, 50Hz | 0.25 | 60 | 1400 | 500 | 295 | 28 | 55 | 2 | 60 | 4.2 |
| SDB 133 T2 | 415V, 3Ø, 50Hz | 0.25 | 175 | 2450 | 850 | 500 | 45 | 60 | — | 60 | 3.8 |
Tolerance ±5% on Specified values
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