• 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 Jetflow-HIT Metal inline - 125mm1 x CBM 12/9 736W 6PT C - Closed Motor1 x Chaysol da 9-9 CM/AL-373W1 x Chaysol DA 9/9 CM 245W 6P1 x CBM 12/9 515W RE-VR1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x Chaysol da 7-7 - 3 Speed1 x Spiral Ducting 1 meter - 80mm1 x FSD-TD 400 x 250 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 400mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x TecFire Intumescent Damper - Rectangular 300x300mm1 x Ancillary Pack for SLC-4001 x FSD-TD 350mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 500 x 400 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x PML24-TF, AC 24V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x DV-ROF-V-225 Roof mounted unit1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x HQS Bathroom Axial Flow Fan - 125mm1 x DV-ROF-V-315 Roof mounted unit1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Gripple HVAC Hanger Range - Loop Fast - LF1 - 1mtr1 x D2E146-AP47-331 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Chaysol da 9-7 NT MONT1 x CBM 10/10 - 373watt - 6 Pole1 x Chaysol da 9-7 without Flange1 x CBM 10/8 6P 245W RE VR1 x Duct Mounted Filter Box - G4 Grade Panel - 400mm1 x Ducting 90 Degree Bend - 400mm1 x Chaysol DA 9/7 245W 6P VR1 x Chaysol da 9-7 - 3 Speed1 x Chaysol da 9-91 x Spiral Ducting 3 Meters - 400mm1 x D2E146-AP47-C11 x Chaysol DA 18/15 RMTCE - 351 x Chaysol DA 9/7 245W 6P VR1 x Chaysol DA 18/15 RTCE - 251 x Chaysol Da 15/15 CMAL - 1800w - 6 Pole - 1V1 x CBM 15/11 6P C IP55 - Closed Motor - Single Phase1 x Chaysol da 9-9 RTC With Feet1 x Chaysol DA 7/91 x D2E-146-AP47-751 x BD-10/08 M4-0.59kw Centrifugal1 x Chaysol DA 9-9 -373W 6 Pole1 x PML230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x NON-STD FSD-TD Fire and Smoke Damper - 230V - 204mm x 100mm1 x TecFire Intumescent Damper - Rectangular 450x450mm1 x PM24-TF, AC 24V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x FSD-TD 600 x 600 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 450 x 450 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM24-TF (SC)1 x FSD-TD 630mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD Fire and Smoke Damper, 700mm x 150mm, EASY FIX AF, GALV Case, GALV Blades, PM24-TF1 x CBMT/Q 400-55 1 HEATER KIT1 x LF24 Spring Return Actuator1 x HEATER BATTERY+CONTROLS 315 DIA 1 PHASE 4/8kW1 x Elta HXP 800mm 6-Pole (Three Phase)1 x Vent Axia SABRE Plate Mounted Sickle Fans - VSP315141 x Vent Axia T-Series Wall Model TX9WL
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 170.17

Excellent low noise fan, I've got one unit running years and...