• 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 100mm Wall Duct - 350mm1 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x Spiral end cap - 355mm1 x Ducting T Piece Equal - 355mm1 x Flanged Spigot - 355mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x Stainless Steel IL Flanged Spigot-300mm1 x Ancillary Sealing Band - 200mm1 x HXP450/6-1 - 6 Pole - Single Phase1 x Dynair QCM 454 T - 3 phase1 x Helios HQW-450/4 - IP551 x HRB/4-450-30-APN1 x HXP450/4-3 - 4 Pole - Three Phase1 x HCFB/4-450mm plastic impeller plate fan1 x HXP450/4-1 - 4 Pole - Single Phase1 x Elta SPA450/46-3AC - IP541 x Raptor SDA350/4-1AC1 x 125mm Round Connector1 x Spigot plate - 355mm1 x 100mm Round Wall Plate1 x Duct Fast Clamps - 355mm1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Ducting Y Piece - 355mm1 x Duct Suspension Rings - 355mm1 x Soler & Palau TCBT/6-355/H - IP441 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x Spiral Ducting 1 meter - 355mm1 x 125mm Thermal Duct to Fitting Connector - SST-125-DFCON1 x Elta SLC355-1EC -IE5 Motor- IP551 x Soler & Palau TCBT/4-355/H - IP441 x 100mm Round Connector1 x Male Ducting Connector - 355mm1 x Ductwrap Insulation DW501 x Ducting Reducers Short - 355mm-315mm1 x Flanged Spigot - 100mm1 x Commercial Activated Carbon Filters - Panel Type - 24" x 24" x 2" - ACP1 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x Quietflow SQSDCV100-1ECL - Centrifugal Box Fan1 x TTT/4-800/H N 4KW (400V50HZ)EXEIIT3 VE Atex Unit1 x ACQ-25012D Acoustic Inline Box Fan1 x Male Ducting Connector - 710mm1 x PRIO-160 EC 160mm Inline Mixvent Fan
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
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