EHD-FAN SECTION 12/12

The Fresh Air EHD 12/12 Centrifugal Blower is a belt-driven ventilation fan engineered for high airflow and medium-to-high pressure applications.
It is ideal for industrial exhaust systems, HVAC units, commercial kitchens, workshops, and air-handling systems where reliable and efficient air movement is essential.

The 12/12 model combines robust construction, stable performance, and quiet operation, ensuring long-term durability in demanding environments.

Specification
Casing / Housing	Heavy-duty galvanized steel sheet, reinforced for rigidity and designed for vibration-free operation.
Impeller (Fan Wheel)	Forward-curved centrifugal impeller made of galvanized or mild steel, statically and dynamically balanced for quiet operation.
Drive Type	Belt-driven system allowing adjustable airflow by changing pulley ratios.
Motor Mount	Adjustable steel base frame for easy belt tensioning and alignment.
Bearings	Heavy-duty sealed ball bearings, permanently lubricated and maintenance-free.
Frame / Base	Welded steel structure, epoxy-coated for corrosion resistance.
Inlet / Outlet	Circular or rectangular flanged connections for easy duct mounting.

3. Motor Specifications

Parameter	Details
Motor Type	TEFC (Totally Enclosed Fan Cooled)
Power Range	3.0 – 7.5 kW (depending on duty point)
Voltage / Frequency	380V, 50Hz, Three-phase
Insulation Class	Class F
Protection Class	IP55
Speed Range	1400 RPM
Efficiency Class	IE2 or IE3 compliant

4. Performance Data

Parameter	Value
Airflow Capacity	5100-7650 m³/h
Static Pressure	450 – 700 Pa
Noise Level	≤ 74 dB(A) @ 1m
Operating Temperature	Up to 80°C
Efficiency	Up to 82%

5. Dimensions

Model	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	Weight (kg)
EHD 10/10	1000	1000	850	700	600	110

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 configuration

7. Optional Accessories

Explosion-proof (Ex) motor
Stainless steel or epoxy-coated housing
Variable Frequency Drive (VFD) for speed control
Flexible connectors & anti-vibration mounts
Acoustic enclosure for noise reduction

MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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