Models SQ and BSQ

Centrifugal Square Inline Duct Fans

Model Comparison

 

Location

 

Mounting

 

 

Airflow

 

 

 

Application

 

 

Drive

Impeller

Performance

 

 

 

 

 

 

 

 

 

 

Type

 

Type

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CostRelative

Model

Outdoor

Indoor

CurbRoof

Base/Floor

Hanging

Wall

MountedCeiling

Exhaust

Supply

Reversible

Recirculate

AirGeneral/Clean

AirContaminated

ResistantSpark

762)(ULGrease

ControlSmoke(UL)

(150WindHighmph)

(aboveTempHigh200°F )

Belt

Direct

Centrifugal

Propeller/Axial

 

FlowMixed

VolumeMaximum (cfm)

StaticMaximumPressure wg)(in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQ

 

 

 

 

 

 

 

 

 

 

 

 

5,000

2

$

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BSQ

 

 

 

 

 

 

 

 

 

 

 

 

27,200

4

$

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Greenheck’s model SQ and BSQ centrifugal inline fans feature a unique combination of installation flexibility, rugged construction, ease of service, high efficiency and low sound levels. These compact inline fans are the ideal selection for indoor clean air applications including intake, exhaust, return or make-up air systems where space is a prime consideration. The need for costly squaretoround transition pieces is eliminated reducing installation costs. The square housing design, compact size and straight-thru airflow also give the system designer the flexibility to mount SQ and BSQ fans in any configuration - horizontal, vertical or at any angle.

Broadest performance in the industry, up to 4 in. wg (1,000 Pa) and 28,000 cfm (47,000 m3/hr).

Performance as cataloged is assured. All fan sizes are tested in our AMCA Accredited Laboratory, and all models are licensed to bear the AMCA Sound and Air Performance seals.

UL Listed for Electrical.

These Greenheck products are subjected to extensive life testing to assure the fans will provide many years of reliable performance.

Over the years Greenheck has listened to your needs and input to remain the industry leader.

Each fan is tested at the factory prior to shipping. The test includes vibration check, adjusting RPM and maximum amp draw.

Each fan displays a permanently stamped metal nameplate with complete model number, mark and unique serial number for future identification.

Packaged-product is tested in accordance with ISTA (International Safe Transit Association) standards and procedures.

Turn to our inline fans to meet your requirements for applications in office buildings, schools and hospitals to name a few.

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Greenheck Fan SQ/BSQ manual Model Comparison

SQ/BSQ specifications

The Greenheck Fan SQ/BSQ series represents a significant advancement in the realm of ventilation solutions, designed to cater to both commercial and industrial applications. With an emphasis on performance, efficiency, and reliability, these fans have become a go-to choice for engineers and contractors alike.

One of the main features of the SQ/BSQ series is their advanced airflow design. The fans are engineered with high-performance backward-inclined blades, which not only optimize airflow but also minimize noise levels, making them ideal for settings where quiet operation is essential. This design allows the SQ/BSQ fans to handle a wide range of static pressures, delivering consistent airflow even in varying conditions.

Another notable characteristic of the SQ/BSQ fans is their robust construction. Made with high-quality materials, these fans are built to withstand the rigors of industrial environments. The casings are typically constructed from galvanized steel, with optional coatings available for enhanced corrosion resistance. This durability ensures long-lasting performance, reducing the need for frequent replacements and maintenance.

Equipped with the latest motor technology, the SQ/BSQ series offers energy-efficient options that comply with various energy standards. The fans utilize a range of motor types, including premium efficiency and electronically commutated motors (ECM), which contribute to lower operating costs and reduced energy consumption. This focus on energy efficiency aligns with increasing regulatory requirements and environmental considerations.

The SQ/BSQ series also embraces advanced control technologies. Through the integration of variable frequency drives (VFD), users can achieve precise control over fan speed and airflow, allowing for better system optimization. This capability is particularly beneficial in applications where airflow demands fluctuate, ensuring that energy usage remains efficient.

Lastly, Greenheck has prioritized ease of installation and maintenance with the SQ/BSQ models. The fans are designed to facilitate quick installation, featuring accessible service points for maintenance tasks. This ease of access helps reduce downtime and improves overall operational efficiency.

In summary, the Greenheck Fan SQ/BSQ series combines advanced airflow design, robust construction, energy-efficient motor technology, and intelligent control options to deliver a comprehensive and reliable ventilation solution. Whether used in commercial buildings, warehouses, or industrial facilities, these fans stand out for their performance and versatility, making them a preferred choice in the ventilation market.