The Nicotra Forward Curved Centrifugal Fan ADH 180 S Is A High-Performance Double-Inlet Forward Curved Centrifugal Fan Engineered For HVAC, Ventilation, And Industrial Air Handling Applications. Designed For Reliable Airflow, Low Noise, And Long Service Life, It Is Ideal For AHUs, FCUs, Clean Rooms, Pharmaceutical Plants, Hospitals, Commercial Buildings, And Industrial Ventilation Systems. The ADH Series Is AMCA-Certified For Air Performance And Is Manufactured To International Quality Standards.
The ADH 180 Model Uses a 180 MM Impeller With 40 Forward-Curved Blades, And The Published Technical Data Specifies An Impeller Weight Of Approximately 1.5 KG.
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
GEMTECH DIFFERENTIAL PRESSURE GAUGE SPOTTED ON A COFFEE ROASTER
A GEMTECH DIFFERENTIAL PRESSURE GAUGE on a Coffee Roaster is Used to Measure and Monitor The Static Pressure and Airflow Inside The Roasting Drum. It Helps Maintain Roasting Consistency, Prevent Drum Blockages, And Ensure Safe Venting.
Here is What That Gauge is Specifically Doing On The Roaster:
1. Measuring Airflow and Vacuum (Draft)Most Drum Roasters Use An Exhaust Fan to Draw Hot Air And Chaff Away From The Beans, Creating a Negative Pressure (Vacuum) Inside The Drum. The GEMTECH DIFFERENTIAL PRESSURE GAUGE Connects Via Silicone Tubing To a Port in The Neck of The Roaster to Read This Negative Pressure in Unit like MM H₂O or Pascals (Pa).
2. Preventing Clogging and Drift As You Roast, Chaff, Oils, And Particulate Matter Build up in The Exhaust Piping And Cyclone. This Buildup Creates Airflow Resistance.
The Problem: If Airflow Resistance Increases, Less Heat is Transferred To The Coffee Beans And The Roast Profile Is Compromised.
The Gauge: By Tracking The Pressure Differential, You Know Exactly When Your Airflow is Dropping So You Can Clean The Exhaust.
3. Profile Reproduction Consistent Air Flow Equals Consistent Roasting. Instead of Blindly Quessing The Exhaust Fan’s Setting, The Pressure Gauge Provides Hard, Quantifiable Data. If a Past Roast Was Exceptional, You Can Adjust The Fan Damper Until The Pressure Gauge Reads The Exact Target Differential For That Specific Recipe.
Typical SpecificationsIf The Roaster is Utilizing a GEMTECH DIFFERENTIAL PRESSURE GAUGE (Likely From The Series G2000), it Operates Via a Magnetic Helix Mechanism That Functions Without Wheel Gears, Making It Highly Resistant To Vibration.
Common Range: Typically 0 to 25 MM H₂O or 0 to 50 MM H₂O For Standard Commercial And Craft Roasters.
Display: Usually a Large 4-Inch Analog Dial Featuring a Movable Limit Pointer Used as a Visual Bookmark.
Additional Information:
Item Code:GEMTECH DIFFERENTIAL PRESSURE GAUGE SPOTTED ON A COFFEE ROASTER
A DWYER MAGNEHELIC DIFFERENTIAL PRESSURE GAUGE on a Coffee Roaster is Used to Measure and Monitor The Static Pressure and Airflow Inside The Roasting Drum. It Helps Maintain Roasting Consistency, Prevent Drum Blockages, And Ensure Safe Venting.
Here is What That Gauge is Specifically Doing On The Roaster:
1. Measuring Airflow and Vacuum (Draft)Most Drum Roasters Use An Exhaust Fan to Draw Hot Air And Chaff Away From The Beans, Creating a Negative Pressure (Vacuum) Inside The Drum. The DWYER MAGNEHELIC DIFFERENTIAL PRESSURE GAUGE Connects Via Silicone Tubing To a Port in The Neck of The Roaster to Read This Negative Pressure in Unit like MM H₂O or Pascals (Pa).
2. Preventing Clogging and Drift As You Roast, Chaff, Oils, And Particulate Matter Build up in The Exhaust Piping And Cyclone. This Buildup Creates Airflow Resistance.
The Problem: If Airflow Resistance Increases, Less Heat is Transferred To The Coffee Beans And The Roast Profile Is Compromised.
The Gauge: By Tracking The Pressure Differential, You Know Exactly When Your Airflow is Dropping So You Can Clean The Exhaust.
3. Profile Reproduction Consistent Air Flow Equals Consistent Roasting. Instead of Blindly Quessing The Exhaust Fan’s Setting, The Pressure Gauge Provides Hard, Quantifiable Data. If a Past Roast Was Exceptional, You Can Adjust The Fan Damper Until The Pressure Gauge Reads The Exact Target Differential For That Specific Recipe.
The Nicotra Forward Curved Centrifugal Fan ADH 1000 K is a Heavy-Duty, Double-Inlet, Belt-Driven Centrifugal Fan Designed For High-Volume Air Handling Applications. It Features a Forward-Curved Galvanized Steel Impeller And Robust Welded Construction, Making It Suitable For Continuous Industrial And Commercial HVAC Operation. The ADH Series Is Engineered For Reliable Airflow, Low Vibration, And High Efficiency In Demanding Environments.
Key Features
Double Inlet Forward Curved Centrifugal Fan
Heavy-Duty Belt-Driven Design
Galvanized Steel Impeller With 46 Forward-Curved Blades
Impeller Diameter: 995 MM
Heavy Reinforced Side Frame
Dynamically Balanced Impeller For Smooth Operation
Low Vibration And Low Noise
High Airflow With Stable Performance
Suitable For Continuous Duty Up to 80–100°C (Depending On Configuration)
AMCA Certified Performance Data Available
Designed According To DIN 24166 Accuracy Standards.
