AJR Jet Fans

Axial Impulse Jet Fan

Our AJR Series of Axial Impulse Jet Fans are designed to optimize Sweep Ventilation Systems and reduce costly exhaust ducting in enclosed and underground parking garages. Using the combined performance factors of Airflow, Thrust, Throw, and Induction, the AJR fully implements an Extraction Ventilation Strategy to more effectively reduce CO levels compared to traditional garage ventilation designs.

The innovative new AJR-Q addresses the most common challenge of Axial Jet Fans by reducing objectionable fan and airflow noise while improving performance.

Application

For daily ventilation requirements and optimized construction for Quiet (Q) operation, rated at 74dBA @ 10ft (355) and 75dBA @ 10ft (400) at maximum thrust.
The fans are ideal for uses in enclosed and underground car parks and industrial applications.

Sturdy and dependable design

Corrosion-proof aluminum impellers or composite impellers, high-efficiency motors and a hot-dip galvanized steel casing ensure high quality and a long life time.

Tested according to AMCA 250

Industry’s first Axial Impulse Jet Fan certified and tested in accordance with the ANSI/AMCA 250 Laboratory Methods of Testing Jet Tunnel Fans for Performance and the ANSI/AMCA 300 Reverberant Room Methods for Sound Testing of Fans.

Supporting Assets

Systemair Provides Jet Fans for Boston Car Park

Case Study

Systemair helped the owners of this mixed-use facility achieve their green building aspirations.

New NFPA 88A Parking Garage Requirements

White Paper

NFPA 88A, developed by the National Fire Protection Association, which has recently been updated in its 2023 publication.

Updated AMCA Standard 250-22 

White Paper

We’ve outlined why the ANSI/AMCA Standard 250-22 is the most accurate 3rd party certification for testing thrust and airflow performance in jet fans.

Construction

The casing is made of hot-dip galvanized steel according to ISO 1461 with pre-drilled flanges. The terminal box with IP 65 is mounted outside on the casing.

The AJ jet fans are available for sizes 355 and 400 mm including silencers and protective guards at the inlet and outlet.

The silencers provide integrated inlet cones. The sound attenuating material is non-inflammable according to DIN 4102.

Impeller

The reversible impellers on the AJR_TR fans are made of aluminum and are dynamically balanced in accordance with ISO 21940-11, balancing quality G6,3, and vibration limits according to ISO 14694.

ARJ-Q impellers are not reversible

Motor

Standard models are driven by three-phase AC motors suitable for 60Hz and optionally for 50Hz.

Control

Motors can be speed controlled by frequency inverter between 10 and 60 Hz.

Installation

The pre-assembled galvanized steel brackets ensures an easy and safe ceiling installation.