Nicotra Forward Curved Centrifugal Fan ADH 250 R is a Compact, High-Performance Centrifugal Fan Designed for Efficient Air Movement in HVAC Systems, Air Handling Units (AHU), Ventilation, And Air Exhaust Applications. Its Forward-Curved Centrifugal Design Provides Reliable Air Flow With Smooth And Quiet Operation. The ADH Series is Listed by AMCA as a Forward Curved DWDI (Double Width Double Inlet) Centrifugal Fan Range.
Key Features:
Model: ADH 250 R
Type: Forward Curved Centrifugal Fan
Configuration: DWDI – Double Width Double Inlet
Suitable for: AHU, HVAC, Industrial Ventilation & Air Exhaust
Compact And Durable Construction
Reliable Performance And Low-Noise Operation
Suitable For Continuous Air Circulation And Ventilation Applications
Note: Actual Airflow, Static Pressure, Motor Power, RPM, And Efficiency Depend On The Selected Operating Point And Fan Configuration.
Application: HVAC, AHU, Ventilation, Air Handling Units
Drive: Direct Drive
Note: Exact Performance Depends On The Specific ADH 250 Configuration And Operating Point. The Nicotra Technical Data Confirms The 250 MM Impeller Size And 38 Blades; The Above Product-Listing Specifications Are From A Supplier Listing.
The Nicotra ADH 400 R Forward Curved Centrifugal Fan is a Robust And Efficient Centrifugal Fan Designed for HVAC Systems, Air Handling Units (AHU), Ventilation, And Industrial Air Movement Applications. It Features a 400 MM Impeller Diameter And a Forward-Curved Blade Design, Providing Reliable Airflow And Stable Pressure Performance. The Fan is Suitable For Continuous-Duty Applications Where Dependable And Efficient Air Handling is Required.
The Nicotra ADH 450 Kis a High-Performance Forward-Curved, Double-Width Double-Inlet (DWDI) Centrifugal Fan Designed For Efficient Air Movement in HVAC Systems, Air Handling Units (AHUs), Ventilation Systems, And Industrial Air-Treatment Applications. It Features a Robust Scroll Casing And Dynamically Balanced Forward-Curved Impeller For Reliable And Smooth Operation. The Exact Airflow, Pressure, Motor Power, And Performance Depend On The Selected Configuration And Operating Conditions.
The Nicotra ADH 800 K is a Large-Size, Belt-Driven, Forward-Curved, Double-Inlet Centrifugal Fan Designed For High-Volume Air Movement In HVAC And Industrial Ventilation Systems. The ADH Range is Available In Multiple Sizes, Including ADH 800, And Technical Data For The ADH 0800 Model Identifies An Approximately 809 MM Impeller Diameter And 38 Blades.
Note: Exact CFM, RPM, Motor KW/HP And Pressure (Pa/MM WG) Should Be Selected From The Specific Fan Performance Curve And Operating Point. The Available Technical Data For The ADH 0800 Also Notes That Power Ratings Exclude Transmission Losses And Performance Can Vary With Installation And Accessories.
Nicotra Forward Curved Centrifugal Fan ADH 180 R Is a Compact, Double-Inlet Centrifugal Fan Designed For Efficient Air Movement in HVAC And Air-Handling Applications. The Forward-Curved Impeller Design Provides Reliable Airflow Performance, Making It Suitable For Ventilation, Air-Conditioning And Air-Handling Systems. The ADH Series Is Listed As a Forward-Curved DWDI Centrifugal Fan Family.
Key Features – Nicotra
Forward-Curved Centrifugal Impeller Design
Double-Inlet Configuration (DWDI)
Compact 180 MM Impeller Diameter
40-Blade Impeller Configuration
Suitable For HVAC And Air-Handling Applications
Robust Construction For Reliable Operation
Performance Data Based On Specified Installation Conditions
Multiple Drive And Configuration Options Depending On System Requirements
Applications – Nicotra
Air Handling Units (AHU)
HVAC Ventilation Systems
Air-Conditioning Systems
Industrial Ventilation
Fresh-Air And Exhaust-Air Systems
Air Circulation And Air-Treatment Equipment
Commercial And Industrial Air-Handling Installations
Free Inlet, Ducted Outlet – As Specified For Certified Performance Data
Note: Air Flow (CFM/m³/h), Pressure (Pa/MM WG), RPM And Motor kW Should Be Taken From The Exact ADH 180 R Performance Curve And Selected Configuration, Rather Than Using One Fixed Value.
The Nicotra ADH 225 R Is a Forward-Curved, Double-Inlet (DWDI) Centrifugal Fan Designed For Air-Handling, Ventilation, And HVAC Applications. The Official Technical Data Identifies The ADH 225 With a 225 MM Impeller Diameter And 42 Blades. Performance Depends On The Selected Operating Point And Configuration.
Key Features – Nicotra
Forward-Curved Centrifugal Impeller
Double-Inlet (DWDI) Design
225 MM Impeller Diameter
42-Blade Impeller
Reliable And Robust Construction
Suitable For Continuous Air-Handling Applications
Designed For Efficient Air Movement
Available With Different Drive And Performance Configurations
Note: Exact Motor Power, Airflow (CFM), Static Pressure (MM WG), And RPM Should Be Selected From The Manufacturer’s Performance Curve For The Required Duty Point; They Are Not Fixed Specifications For Every ADH 225 RConfiguration.
Note: Exact Motor Power, Airflow (CFM), Static Pressure (MM WG), and RPM Depend On The Selected ADH 280 R Performance Curve, Motor, And Operating Point. The Manufacturer Technical Data Lists a 280 MM Impeller And 42 Blades For The ADH 280 Size.
The Nicotra ADH 315 R Is a Forward-Curved Centrifugal Fan Designed For Reliable And Efficient Air Movement In HVAC, Ventilation, Air-Handling And Industrial Applications. Its Compact Construction, Galvanized Steel Housing And Forward-Curved Impeller Design Provide Dependable Airflow Performance And Quiet Operation. The Fan Is Suitable For Applications Requiring Continuous And Efficient Air Circulation. Key Features
* Performance Figures Are Indicative Of A Listed ADH 315 R Configuration And May Vary According To Motor, Fan Arrangement, Speed, System Resistance And Operating Point.
** Nicotra Technical Data For The ADH 315 Size Lists A 315 MM Impeller, 38 Blades, Approximately 4.6 kg Impeller Weight And 0.100 kg·m² Moment Of Inertia.
Nicotra GebhardtADH 355 R is a Double-Inlet, Forward-Curved Centrifugal Fan. The Official Technical Data Identifies The 355 MM Impeller Diameter, 42 Blades, And 5.5 kg Impeller Weight For The ADH E_-0355 Configuration. Performance Depends On The Selected Speed, Motor, And Installation Arrangement, So Exact Airflow And Pressure Should Be Selected From The Fan Curve.
Product/Service Description
Nicotra Forward Curved Centrifugal Fan ADH 355 R is Designed For Efficient Air Movement In HVAC And Industrial Ventilation Systems. Its Forward-Curved Impeller Design Provides Reliable Airflow Performance And Is Suitable For Applications Requiring Continuous Air Circulation And Air Handling. Key Features – Nicotra
Forward-Curved Centrifugal Impeller
Double-Inlet Configuration
355 MM Impeller Diameter
42 Impeller Blades
Impeller Weight Approximately 5.5 kg For The Referenced Technical Configuration
Multiple Operating Speeds And Motor-Power Options Available
Suitable For Ducted Air-Distribution Systems
Robust Construction For HVAC And Industrial Applications
Performance Selection Based On Fan Curve And System Resistance
AMCA-Certified Air-Performance Data Available For Applicable ADH Configurations
Belt-Driven Configuration Available In Official ADH Technical Data
Airflow
Selected According To Fan Curve And Operating Speed
Pressure
Selected According To Fan Curve And System Resistance
Motor Power
Application-Dependent; Multiple Options Available
Fan Speed
Application-Dependent
Installation
Free Inlet / Ducted Outlet Performance Configuration Referenced In Technical Data
Note: I Would Not Recommend Publishing A Single CFM, Static Pressure, RPM, Or Motor HP For ADH 355 R Without The Exact Fan Arrangement And Operating Point, Because The Official Technical Data Shows Multiple Speed And Power Curves For The 355 MM Model.
Product / Service DescriptionThe Nicotra Forward Curved Centrifugal Fan ADH 450 R is a High-Performance Double-Inlet,Forward-Curved Centrifugal Fan Designed For HVAC, Ventilation, And Industrial Air-Handling Applications.It Delivers High Airflow With Low Noise,Making it Suitable For AHUs, FCUs,Ventilation Systems,Cleanrooms,And Commercial Buildings.The ADH Series is Engineered For Reliable Operation,Energy Efficiency,And Long Service Life.
Up to approximately 8,000–10,000 m³/h (depends on RPM and pulley selection)
Static Pressure
Up to approximately 900 Pa (application dependent)
Operating Temperature
-20°C to +60°C
Applications
AHU, HVAC, Ventilation, Industrial Air Movement
Note:
Note: Actual Airflow, Static Pressure, Motor Power, And RPM Depend On The Selected Pulley Ratio And Operating Point. Refer To The Nicotra Performance Curve For Exact Duty Selection
