• Model:SQS250-1ECL

Quietflow SQS250-1ECL - Centrifugal Box Fan

£ 1,177.00 (excl. VAT)

£ 1,412.40 (inc. VAT)


Quietflow SQS250-1ECL - Centrifugal Box Fan

• Standard size 250 mm
• Air volume flow rates up to 0.347 m3/s
• Static pressures up to 841 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
Acoustically lined single in-line centrifugal fans, suitable for internal duct mounting. The Quietflow incorporates advanced backward curved impellers, with three ndimensional profiled blades.

Low Noise
Each unit is acoustically lined internally with Class O rated (BS 476 Parts 6 and 7) fire resistant acoustic foam lining minimising breakout noise levels.

Easy Installation
New multi-mount brackets allow easy mounting in a range of orientations.

Easy Commissioning
Integrated commissioning control allowing single speed selection and also limiting maximum speed if used with an external potentiometer.

Efficient Performance
High efficiency low tonal noise backward curved centrifugal impellers are directly driven by an EC external rotor motor, provide low specific fan powers and stepless speed control without tonal noise generation.

Weather Resistance
Units can be weatherproofed in the factory to allow external installation.

PDF Files


SQS250-1ECL Specification Sheets

1 x Duct Termination with Mesh - 250mm1 x Helios GigaBox 250mm EC - GBW 250 EC T120 centrifugal1 x CTHB/6-2501 x Helios GigaBox 400mm GBW 400/4 T120 centrifugal1 x CTHT Kitchen/High Temp Roof Fan- 250mm1 x CTHT Kitchen/High Temp Roof Fan - CTHT/8-5001 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT500/4-3AC1 x MTS10- extractor fan 3 step switch1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x Female Ducting Connector - 200mm1 x Male Ducting Connector - 800mm1 x Duct Termination with Mesh - 800mm1 x Spiral Ducting 1 meter - 800mm1 x Etaline 250mm1 x Spiral Duct Grille Termination - 250mm1 x CTHB/6-400 High Temp Kitchen Roof Fan1 x Heat Resistant In-line Axial Fan - VOK 135/120 H1 x Helios GigaBox 355mm GBW 355/4 T120 centrifugal1 x Heat Resistant In-line Axial Fan - VO-1351 x Biflow SB315-CON2-3 - High Temperature Bifurcated Fan1 x Ancillary Pack for SB-Biflow 315 model1 x Ancillary Pack for SB-Biflow 400 model1 x Commercial Activated Carbon Filters - Panel Type - 24" x 24" x 1" - ACP1 x Helios GigaBox 400mm GBD 400/4/4 T120 centrifugal1 x CTHT Kitchen/High Temp Roof Fan- 225mm1 x Heat Resistant In-line Axial Fan - VO-1201 x Helios GigaBox 355mm GBD 355/4/4 T120 centrifugal1 x Metal Inline Fan - VENT-150NK1 x 220x90mm 90 Degree Vertical Bend1 x ELTA - Single Phase Transformer 4amps1 x Elta Standard Ambient Flexible Connector - 450mm1 x Acoustic Box Fans (Inline) - CAB-250N1 x ELTA - Single Phase Transformer 16amps1 x QP315C Acoustic Fan - 315mm1 x Acoustic MiniBox Fan - MINI-BOX 250
Reviews
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I have a loft mount extractor fan which was very noisy. I ...