『Click here to download the product PDF: Explosion-Proof Exhaust Fan CBF』
Model Meaning

Implementation Standard
GB/T3836.1、GB/T3836.2、GB/T3836.31、IEC60079-0、IEC 60079-1、IEC 60079-31、EN60079-0、EN60079-1、EN60079-31
Technical Parameter

| Explosion-Proof Marking | Protection Rating | Cable Outer Diameter | Entry Thread |
|---|---|---|---|
| Ex db IIC T4 Gb Ex tb IIIC T135°C Db | IP54 | Φ10~Φ14 | M26×1.5 or G3/4" |
| Specifications and Models | Impeller Diameter (mm) | Motor Power (kW) | Rated Voltage (V) | Rated Speed (r/min) | Airflow (m³/h) | Corrosion Resistance Rating | |
| three-phase | single-phase | ||||||
| CBF-300 | 300 | 0.25 | 380 | 220 | 1450 | 1440 | WF1 |
| CBF-400 | 400 | 0.37 | 2800 | ||||
| CBF-500 | 500 | 0.55 | 5700 | ||||
| CBF-600 | 600 | 0.75 | 8700 | ||||
Product Features
1. This series of ventilators is designed based on the three-dimensional flow theory of impeller mechanics, with meticulously engineered test data to ensure excellent aerodynamic performance. They feature low noise, high efficiency, minimal vibration, and low energy consumption.
2. The ventilator consists of an explosion-proof motor, impeller, air duct, protective cover, and louvers.
3. Steel pipe or cable wiring.









| Model and Specifications | L1 (mm) | L2 (mm) | H (mm) |
|---|---|---|---|
| CBF-300 | 285 | 345 | 275 |
| CBF-400 | 385 | 485 | 275 |
| CBF-500 | 469.5 | 590 | 290 |
| CBF-600 | 529 | 710 | 290 |
Applicable Scope
1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
2. Suitable for combustible dust environments in Zones 21 and 22;
3. Suitable for explosive gas environments of Classes IIA, IIB, and IIC;
4. Suitable for temperature classes T1 to T4;
5. Widely used in hazardous environments such as oil refining, chemical processing, textiles, and military industries, as well as offshore oil platforms and oil tankers;
6. Indoor and outdoor use.
Shenhai Explosion-Proof




















