Greenheck Fan Discover High-Performance Centrifugal Inline Duct Fans for Versatile Applications

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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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Contents Centrifugal Inline Fans Models SQ and BSQ Table of ContentsModel Comparison Standard Construction Features Drive Frame Vari-Green Advantages FeaturesVari-GreenOptions BenefitsTime of Day Demand Control Ventilation for Multistory BuildingsOptions and Accessories Model Selection Procedure Filter OptionsModel SQ Model Model BSQ Discharge Configuration Discharge ConfigurationsSide Discharge 243⁄4 ModelBSQ SQ-BSQBase Mount or Hanging Isolators Model BSQ 13⁄8 51⁄2 63⁄4 25⁄16 SQ-BSQSQ-BSQ 13⁄8 51⁄2 63⁄4 25⁄8 VG = Vari-Green Typical InstallationSQ 60-65- Direct Drive SQ 70-75- Direct Drive SQ 80-85- Direct Drive SQ 90-95- Direct Drive 095090 Damper size = 12 x 100 SQ 100 Direct Drive120 SQ 120 Direct Drive130 SQ 130 Direct Drive140 SQ 140 Direct Drive160 SQ 160 Direct Drive2486 BSQ 70 Belt Drive1530 BSQ 80 Belt DriveBSQ 90 Belt Drive 26911550 2556 BSQ 100 Belt Drive2490 BSQ 120 Belt Drive1735 BSQ 130 Belt Drive130HP BSQ 130HP Belt Drive2770 790BSQ 140 Belt Drive 18901615 1340 140HP BSQ 140HP Belt Drive2641 2270 1900 15302001 BSQ 160 Belt Drive160HP BSQ 160HP Belt Drive2321 1990BSQ 180 Belt Drive 1010180 BSQ 180HP Belt Drive 1385 1120180HP 200 BSQ 200 Belt Drive1375 990200HP BSQ 200HP Belt Drive1602 1350240 BSQ 240 Belt Drive1070 730BSQ 240HP Belt Drive 1605240HP 300HP BSQ 300 Belt Drive855 967 735 615 495 375770 560 BSQ 300HP Belt DriveBSQ 360 Belt Drive 811360 360HP BSQ 360HP Belt Drive880 775 590BSQ 420 Belt Drive 670420 Remote Dial Model SQLeed information Constant PressureModel BSQ Belt Drive SpecificationsBSQ-300HP and 360HP SQ-75 through 120 BSQ-70 throughThrough 180 SQ-60 through 130 BSQ-130 High Pressure BSQ-130HP through 240HP BSQ-300 through

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.