Double Inlet Forward-Curved Centrifugal Fan

FNZ SERIES

Fantech FNZ

Designed to deliver reliable airflow, quiet operation, and stable performance in a compact and efficient format. Featuring a double inlet forward-curved impeller, it ensures uniform air distribution and optimized efficiency.

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Overview

The FNZ Series features newly developed centrifugal fans manufactured with internationally advanced technology. These units are engineered using high-tech processes to achieve a compact structure and low-noise operation.


Key Features

  • Aerodynamic Construction: The fan housing is constructed from hot galvanized steel sheet, featuring side plates with inlet cones designed for optimal aerodynamics.
  • High-Efficiency Wheel: Units utilize forward-curved wheels made of high-grade hot galvanized steel, specifically profiled to reach maximum efficiency with minimal noise.
  • Flexible Installation: The series supports four air-outlet directions (0°, 90°, 180°, and 270°) and offers both clockwise and counterclockwise rotation options to suit diverse system layouts.
  • Advanced Assembly: Flange components are connected to the scroll using a TOX non-welding process, which ensures structural rigidity and a clean professional appearance.
  • Versatile Motor: Equipped with single-phase 220V/50Hz three-speed motors that are easy to install and flexible for speed adjustments via regulators or frequency converters.

Overview Diagram

Engineering Standards & Certifications

Quality & safety

The FNZ Series is built to satisfy rigorous quality and safety benchmarks:


  • ANSI/AMCA 204 Standard: All fan wheels are balanced in strict accordance with the ANSI/AMCA 204 National Standard.
  • G2.5 Balancing Grade: Fantech maintains an internal precision standard of G2.5 or higher for all wheel balancing to ensure smooth, vibration-free operation.
  • Ingress Protection: The product line carries an IP20 rating, suitable for protected indoor environments.
  • Performance Verification: All performance data is verified through testing at motor-rated speeds to guarantee the accuracy of airflow and pressure specifications.

Key Advantages

ANSI/AMCA 204 Standard

All fan wheels are balanced in strict accordance with the ANSI/AMCA 204 National Standard.

G2.5 Balancing Grade

Fantech maintains an internal precision standard of G2.5 or higher for all wheel balancing to ensure smooth, vibration-free operation.

Ingress Protection

The product line carries an IP20 rating, suitable for protected indoor environments.

Performance Verification

All performance data is verified through testing at motor-rated speeds to guarantee the accuracy of airflow and pressure specifications.

Specifications

Model Speed 230V 400V Installed Power Max. Airflow Static Pressure