EHD-FAN SECTION 9/9

The Fresh Air EHD 9/9 is a belt-driven centrifugal blower designed for high-efficiency air extraction and supply.
It is widely used in HVAC systems, industrial ventilation, commercial kitchens, paint booths, and factories where strong, reliable airflow and low noise are required.
The model 9/9 offers a balance between high static pressure and smooth, quiet performance for continuous-duty applications.

Component	Specification
Casing / Housing	Fabricated from heavy-gauge galvanized steel, reinforced for rigidity and resistance to vibration.
Impeller (Fan Wheel)	Forward-curved centrifugal impeller, made of galvanized steel, statically and dynamically balanced for smooth operation.
Drive Type	Belt-driven system, allowing variable airflow adjustment via pulley ratio changes.
Motor Mount	Independent adjustable base for accurate belt tensioning and easy maintenance.
Frame / Base	Rigid steel frame, powder-coated for corrosion protection.
Bearings	Heavy-duty, sealed ball bearings — permanently lubricated and maintenance-free.
Inlet / Outlet	Flanged connections suitable for direct duct installation.

3. Motor Specifications

Parameter	Description
Motor Type	TEFC (Totally Enclosed Fan Cooled)
Power Range	2.2 – 5.5 kW (depending on pressure and speed)
Voltage / Frequency	380V, 50Hz, Three-phase
Insulation Class	Class F
Protection Class	IP55
Speed Range	1400 RPM
Efficiency Class	IE2 / IE3 compliant

4. Performance Data

Parameter	Value
Airflow Capacity	2550 m³/h
Static Pressure	400 – 650 Pa
Noise Level	≤ 72 dB(A) @ 1m
Efficiency	Up to 80%
Operating Temperature	Up to 80°C continuous duty

5. Dimensions

Model	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	Weight (kg)
EHD 9/9	900	900	750	600	520	85

6. Operating Conditions

Ambient temperature: Up to 80°C
Relative humidity: Up to 95% (non-condensing)
Suitable for clean or slightly dusty air
Mounting: Horizontal or vertical installation

7. Optional Accessories

Stainless steel housing
Explosion-proof motor (Ex-rated)
Variable Frequency Drive (VFD) control
Flexible connectors and anti-vibration mounts
Soundproof casing for noise reduction

MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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