• 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 Hydor HPA400/6-1A1 x HRB/6-400-APN1 x Helios HQW-400/4 - IP551 x HCFT/4-400mm plastic impeller plate fan1 x Multiflow SMB650/4-3AC1 x Helios GigaBox 630mm GBD 630/6/6 centrifugal1 x Singleflow SSDL100-1EC1 x Soler & Palau - HCBT/6-355/H - IP651 x Ducting 45 Degree Bend - 160mm1 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x Soler & Palau - HCBB/6-400/H - IP651 x Belt Drive Cased Axial Fan - 800mm - H version1 x Spiral Duct Grille Termination - 160mm1 x Soler & Palau - HCBT/4-400/H - IP651 x Multiflow SMB650/4-1AC1 x Euro Series - Case Axial - ESC500141 x Soler & Palau - HCBT/6-450/H - IP651 x Elta Wall Cowl SWC56/631 x Spiral Rapid Lock Clamp - 125mm1 x HXP450/6-3 - 6 Pole - Three Phase1 x Hydor HPA450/6-1A1 x RSK450 - Back Draught Shutter1 x Helios HRFW 500/41 x Spiral Duct Grille Termination - 630mm1 x HD Series Control Damper - 1000mm X 1000mm1 x SPI-150 C Iris damper1 x HV Wall Mounted Belt Drive Fan 1250mm 400V / 50Hz 1.1kW - Three Phase1 x TXBR-250 Ecowatt1 x Vent Axia SABRE Plate Mounted Sickle Fans - VSP500141 x Helios HQW-710/6 - IP551 x Soler & Palau - HCBB/6-450/H - IP651 x HD-LL Series - 100mm with NFA-S2, Multi Voltage Damper Actuator1 x Acoustic MiniBox Fan - MINI-BOX 2501 x Elta Wall Cowl SWC25/311 x Elta Unpodded Silencer Melinex 1D-500mm1 x Flanged Spigot - 630mm1 x HV Wall Mounted Belt Drive Fan 1250mm 220V to 240V / 50Hz 1.1kW - Single Phase1 x SPI-100 C Iris damper1 x Elta SLC500/4A-3AC - IP551 x Ducting T Piece Equal - 125mm1 x Elta SLC500/4B-3AC - IP551 x Female Ducting Connector - 125mm1 x Rotorex HXTR Sickle Bladed Plate Axial Fan - 6 Pole - Three Phase - 710mm1 x Belt Drive Cased Axial Fan - 500mm - L version
Reviews
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