The Nicotra RDH 180 R Backward Curved Centrifugal FanIs A High-Performance Double-Inlet Centrifugal Fan Engineered For HVAC And Industrial Air Handling Systems. Designed For Reliable Operation, Low Noise, And High Energy Efficiency, The RDH 180 R Is Ideal For Applications Requiring Consistent Airflow And Medium To High Static Pressure. Its Galvanized Steel Construction And Precision-Balanced Backward Curved Impeller Ensure Long Service Life And Dependable Performance.
Nicotra RDH 180 S Is A High-Performance Backward Curved/Inclined Double-Inlet Centrifugal Fan Designed For Efficient Air Movement In Ventilation, HVAC And Air-Handling Applications. The RDH Series Features A Robust Galvanized-Steel Scroll Casing And Backward-Inclined Centrifugal Impeller Design For Reliable And Efficient Operation. Key Features
Designed For Stable Airflow And Pressure Performance
AMCA-Certified RDH Product Family Available
Nicotra – Applications
HVAC Air Handling Units (AHU)
Industrial Ventilation Systems
Air-Conditioning Systems
Factory Ventilation
Commercial Ventilation
Air-Handling Equipment
Cooling And Ventilation Applications
Industrial Air Circulation Systems
Nicotra – Product Specifications
Brand: Nicotra
Model: RDH 180 S
Product Type: Backward Curved / Backward Inclined Centrifugal Fan
Configuration: Double Inlet
Impeller Size: 180 MM
Impeller Blades: Backward-Inclined Design
Casing: Galvanized Steel
Drive: Belt-Driven Configuration
Application: HVAC / Industrial Ventilation / Air Handling
For The RDH 180 Technical-Data Version, Nicotra Documentation Lists An Approximately 180 MM Impeller Diameter, 8 Blades, 0.62 KG Impeller Weight And 0.003 Kg·m² Moment Of Inertia. Exact Airflow, Pressure, RPM And Motor Power Depend On The Selected RDH 180 Configuration And Operating Point.
Nicotra
Nicotra RDH 180 S – Backward Curved Centrifugal Fan High-Efficiency Centrifugal Air-Moving Solution For HVAC, Ventilation And Industrial Air-Handling Applications.
The Nicotra RDH 200 R Is A High-Performance, Double-Inlet Centrifugal Fan Designed For Air-Handling, Ventilation And HVAC Applications. It Features A Robust Galvanized-Steel Scroll Casing And A Backward-Inclined Centrifugal Impeller For Efficient And Reliable Air Movement. Key Features – Nicotra
Backward Curved / Backward Inclined Centrifugal Fan
Configuration
Double Inlet – DWDI
Impeller Diameter
200 MM
Impeller Type
Backward-Inclined
Number of Blades
11
Casing
Galvanized Steel Scroll Casing
Shaft
Galvanized Steel
Drive
Belt Driven
Airflow
Performance Depends On RPM And Operating Point
Pressure
Performance Depends On RPM And Operating Point
Manufacturer
Nicotra
Nicotra RDH 200 Official Data: The RDH 200 Has A 200 MM Wheel Diameter, And The Official Performance Chart Provides Airflow, Pressure, RPM And Power Curves For The Model.
Note: Motor Power, Airflow And Static Pressure Should Be Selected From The Nicotra Performance Curve According To The Required Duty Point; They Are Not One Fixed Value For Every RDH 200 R Configuration.
The Nicotra RDH 250 R Backward Curved Centrifugal Fan Is A High-Efficiency Double-Inlet Centrifugal Fan Designed For Reliable Air Movement In HVAC, Ventilation And Industrial Air-Handling Applications. It Features A Backward-Inclined Impeller Design That Provides Efficient Airflow, Stable Performance And Dependable Operation.
The RDH Range Uses A Galvanized Steel Scroll Casing And Backward-Inclined Centrifugal Impeller Construction. TheRDH Series Is Designed For Demanding Ventilation And Air-Conditioning Applications With Airflow And Pressure Performance Depending On The Selected Configuration And Operating Point.
The Exact Airflow, Static Pressure, RPM, Motor Power And Efficiency Should Be Selected From The Applicable Nicotra Performance Curve For The Required Operating Point Rather Than Assumed From The Model Number Alone. Published RDH Performance Data Varies With Configuration And Operating Conditions. Nicotra Product Benefits
The RDH 250 R Provides An Efficient And Dependable Solution Where Controlled Airflow And Pressure Are Required. Its Backward-Inclined Impeller Design, Robust Casing And Double-Inlet Configuration Make It Suitable For A Wide Range Of Professional HVAC And Industrial Ventilation Installations. Nicotra RDH 250 R Supplier
Nicotra Backward Curved Centrifugal Fan RDH 280 RIs An Industrial Centrifugal Fan Designed For Reliable And Efficient Air Movement In Ventilation And Air-Handling Applications. Its Backward-Curved Impeller Design Provides Efficient Airflow Performance And Dependable Operation For HVAC And Industrial Systems. Key Features – Nicotra
The Nicotra Backward Curved Centrifugal Fan RDH 315 R Is A High-Performance Centrifugal Ventilation Fan Designed For Reliable And Efficient Air Movement In Industrial And HVAC Applications. The RDH Series Features A Robust Scroll Casing And Backward-Inclined Centrifugal Impeller Design For Efficient Airflow, Dependable Operation And Long Service Life.
The RDH 315 Model Has A 315 MM Impeller Diameter And Is Designed For Demanding Ventilation And Air-Handling Applications Where Stable Airflow And Pressure Performance Are Required. Key Features – Nicotra
Airflow: Performance Depends On Operating Speed And System Conditions
Pressure: Performance Depends On Operating Speed And System Resistance
Installation: Suitable For Ventilation And Air-Handling Systems
Manufacturer: Nicotra / Nicotra-Gebhardt
Performance Reference
For The RDH 315 Size, Nicotra’s Technical Catalogue Provides Performance Curves Covering Multiple Operating Speeds And Pressure/Air-Volume Combinations. The Catalogue Also Notes That Rated Performance Depends On The Installation Arrangement And That Transmission Losses Are Not Included In The Stated Power Rating.
Nicotra RDH 355 R Is A High-Performance Backward-Curved / Backward-Inclined Centrifugal Fan Designed For Efficient Air Movement In HVAC, Ventilation And Industrial Air-Handling Applications. The RDH Series Is A Double-Width, Double-Inlet (DWDI) Centrifugal Fan Family Engineered For Reliable Airflow, Energy-Efficient Operation And Continuous Industrial Service.
The RDH 355 R Is Suitable For Demanding Air-Handling Systems Where Stable Airflow, Robust Construction And Dependable Operation Are Required.
The Nicotra RDH 400 R Is A Backward-Curved Centrifugal Fan Designed For Efficient And Reliable Air Movement In HVAC, Ventilation And Industrial Air-Handling Applications. The RDH Series Uses A Scroll Casing And Backward-Inclined Impeller Design For Efficient Airflow And Stable Operation. The RDH Family Covers Sizes From 0180 to 0560 And Can Provide Airflow Up to 90,000 m³/h And Pressure Up to 3,500 Pa, Depending On Configuration. Key Features – Nicotra
The Technical Data For The RDH 400 Size Lists An Impeller Diameter Of 402 MM, 11 Blades And An Impeller Weight of 12.7 kg. Exact Airflow, Pressure, Motor Power And RPM Depend On The Selected RDH 400 Configuration And Operating Point, So These Should Be Confirmed From The Fan Selection/Performance Curve Rather Than Treated As One Fixed Value.
NICOTRA RDH 500 R Is A Backward-Curved Centrifugal Fan Designed For Efficient And Reliable Air Movement In Ventilation And Air-Conditioning Systems. The RDH Series Uses A Double-Inlet Scroll Casing And Backward-Inclined Centrifugal Impeller Technology. The RDH Range Is Designed For High Airflow, Efficient Operation And Dependable Continuous-Duty Performance. KEY FEATURES – NICOTRA
Important: Exact Airflow, Static Pressure, RPM, Motor kW/HP And Impeller Weight For An RDH 500 R Depend On The Selected Fan Configuration, Operating Point And Drive Arrangement. The Official NICOTRA RDHDocumentation Should Be Used For The Exact Selection Rather Than Assuming One Fixed Value. The Official RDH Range Covers Sizes 0180–0560 And Specifies Pressure Capability Up To 3,500 Pa.
NICOTRA BACKWARD CURVED CENTRIFUGAL FAN RDH 630 R IS A HIGH-PERFORMANCE DOUBLE-INLET CENTRIFUGAL FAN DESIGNED FOR HVAC, AIR HANDLING, INDUSTRIAL VENTILATION AND AIR-CONDITIONING APPLICATIONS. THE RDH SERIES FEATURES A ROBUST GALVANIZED STEEL SCROLL CASING AND A HIGH-PERFORMANCE IMPELLER WITH BACKWARD-INCLINED BLADES. THERDH 630 R IS DESIGNED FOR RELIABLE AIRFLOW, HIGH EFFICIENCY AND CONTINUOUS INDUSTRIAL OPERATION. KEY FEATURES – NICOTRA
PERMISSIBLE MEDIA TEMPERATURE: APPROX. -20°C TO +85°C
FAN WEIGHT: APPROX. 119 KG
NICOTRA RDH 630 R – PRODUCT HIGHLIGHTS
NICOTRA RDH 630 R OFFERS A COMBINATION OF HIGH AIRFLOW, ROBUST CONSTRUCTION, BACKWARD-INCLINED IMPELLER TECHNOLOGY AND RELIABLE BELT-DRIVE OPERATION. IT IS SUITABLE FOR DEMANDING HVAC, AIR HANDLING AND INDUSTRIAL VENTILATION APPLICATIONS.
NOTE: ACTUAL AIRFLOW, PRESSURE, MOTOR POWER AND FAN SPEED DEPEND ON THE SELECTED FAN CONFIGURATION, OPERATING POINT AND INSTALLATION CONDITIONS. OFFICIAL NICOTRA DATA FOR THE RDH 630 SIZE SHOULD BE USED FOR FINAL SELECTION.
