 
                        High-pressure centrifugal blower
One-sided suction centrifugal fan in sturdy welded industrial design, electrodynamically balanced impellers with up to 16 backward curved blades mounted on the motor shaft of the attached three-phase motor, which is not in the air flow.
Air volumes up to approx. 10,000 m³/h, max. Pressure increase 14,000 Pa.
Features:
- Various designs available on request (direct drive, belt drive, coupling).
- wheels in diameters 250-800 mm and different widths according to customer specifications.
- Efficiencies up to 85%.
- Application: extraction, exhaust air, supply air, filtration systems
- Possible materials: sheet steel, according to DIN EN ISO 1461; stainless steel (W1.4301, W1.4571, ...).
- All sizes according to ErP Directive 2015, motors according to IE2 / IE3 / IE4.
- ATEX fans or explosion-proof version according to:
- Gas, II 2 G Ex de IIC T4 Gb, Zone 1.
- Staub, II 2 D Ex tb IIIC T135° Db, Zone 22, 21.
- Intake and exhaust cross-section customizable.
- Extraction temperatures up to 300 °C are available on request.
| Type | RHCQ 25.1000-2 L90-EX(7.000 m³/h) | RHCQ 20.1000-2 L90-EX(4.000 m³/h) | 
| Air volume | 7.000 m³/h | 4.000 m³/h | 
| Performance | 30 kW | 18.5 kW | 
| Fire protection type | II 2 G c T4 | II 2 G c T4 nach ATEX | 
| ATEX-Motor | EXDEIIBT4 GB | EXDEIIBT4 GB | 
| Speed | 2.975 1/min | 2.920 1/min | 
| Electr. Voltage | 400/50 V/Hz | 400/50 V/Hz | 
| Nennstrom | 54 A | 33 A | 
| Printing is done. | 10,000 Pa | 10.000 Pa | 
| Air temp. | 20 °C | 20 °C | 
| Connection | DN250 mm | DN250 mm | 
| Weight | 615 kg | 400 kg | 
 
                                                         
                                                         
                                                         
                                                        