• Model:SQS250-1ECL

Quietflow SQS250-1ECL - Centrifugal Box Fan

£ 1,259.39 (excl. VAT)

£ 1,511.27 (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 HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x TEM 035 - 5 Speed Transformer Speed Control1 x HCF - Ceiling Fan 1200mm (48 inch)1 x 220x90mm 45 Degree Vertical Bend1 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x EZQ 20/4 E Ex T (0083.0217) - Axial Wall Mounted Fan Explosion Proof (DUST)1 x Elta 10 Amp Electronic single phase speed controller.1 x Electronic extractor fan speed controller - FSC 1.51 x ELTA - Single Phase Transformer 2amps1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x COM-31 x ELTA - Single Phase Transformer 10amps1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Helios TSD 3.0 Transformer Speed Control (400v)1 x EC6H - Reversible Group Fan Electronic Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x DV-ROF-V-225 Roof mounted unit1 x Temperature Fan Speed Controller - ATCP4-FLS1 x Rectangular Airbrick Adaptor
Reviews
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Look good, works well, except the shaft of the lanellae cuts...