• 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 Ducting Reducers Short - 315mm-250mm1 x Spiral Ducting 1 meter - 100mm1 x Ducting 45 Degree Bend - 355mm1 x Flanged Spigot - 150mm1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x Filter Box With F7 Grade Bag Filter - 125mm1 x Soler & Palau - Contra Rotating TCBTx2-630 - IP651 x Anti Vibration Duct Suspension Rings - 355mm1 x Ducting 15 Degree Bend - 315mm1 x Anti Vibration Duct Suspension Rings - 80mm1 x HRB/6-560-35-APN-C1 x Etaline 500mm - D4 01 3 Phase1 x 150mm Round Wall Plate1 x Traditional T-Series Window Fan - TX9IL1 x Duct Termination with Mesh - 125mm1 x ERM 18 protection guard - SGM 18 EX1 x Galvanised Banding1 x Soler & Palau TCBB/4-355/H - IP441 x Female Ducting Connector - 200mm1 x Traditional T-Series Wall Fan - TX12WL1 x Helios GigaBox 710mm GBD 710/4 T120 centrifugal1 x Delivery Surcharge1 x Female Ducting Connector - 80mm1 x Helios SB-200-C SilentBox Acoustic Inline Fan1 x Male Ducting Connector - 500mm1 x MUB 042 450EC Multibox1 x Soler & Palau - HXTR/4-560/H - IP541 x MUB 042 450EV Sileo Multibox1 x CTI CVA-N 500/560 Outdoor cover for CVAB/T Fans1 x Ducting T Piece Equal - 200mm1 x Helios HQW-560/4 - IP551 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x FSAF630C2DA Silencer 690/121 x Spiral Ducting 3 Meters - 630mm1 x CHGT/4-630-6/-3KW- AXIAL FLOW CABINET FANS1 x Xpelair GX12 commercial window fan1 x Elta SLC400-1EC -IE5 Motor- IP551 x Ducting 45 Degree Bend - 200mm1 x Helios GigaBox 450mm GBW 450/4 T120 centrifugal1 x CC-SHT 1004 (7.5kw)1 x Flanged Spigot - 200mm1 x Elta SCP560/4-1AC - IP551 x Elta SLC315/4-3AC - IP551 x 2mtr Round Ducting - 100mm1 x GB-WSD 560 Weather Protection hood for the Giga-Box Fans - 560mm1 x Xpelair GX9 commercial window fan1 x TD4000 Mixvent - 355mm1 x Soler & Palau TCBT/4-710/L - IP651 x Biflow SB315-CON4-1 - High Temperature Bifurcated Fan1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Flanged Spigot - 125mm1 x Ducting T Piece Equal - 500mm1 x CBT-125 Centrifugal1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x GB-WSD 400 Weather Protection hood for the Giga-Box Fans - 400mm1 x Acoustic MiniBox Fan - MINI-BOX 2001 x Soler & Palau - HXBR-200 ECOWATT - IP441 x Female Ducting Connector - 560mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT450/4-3AC1 x Ducting Y Piece - 125mm1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT350/4-3AC1 x Lo-Carbon Kitchen Box Fan - EKF4501 x B-flow Impeller HCBB/T-450mm1 x Helios VARD 560/4/4-TK1 x HCFT/4-800mm plastic impeller plate fan1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x Female Ducting Connector - 125mm1 x Spigot plate - 160mm1 x Spiral Ducting 3 Meters - 125mm1 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB31 x Duct Fast Clamps - 250mm1 x Male Ducting Connector - 125mm1 x CBB-100N Centrifugal1 x Ducting 45 Degree Bend - 500mm1 x Duct Clamps box of 50 - 60mm - 170mm1 x ERM180EXE Bracket1 x Spiral Ducting 3 Meters - 80mm1 x Soler & Palau VFD-T inverter 5 amp IP541 x FSAF450B1DA Silencer 500/81 x EC-Vent Room Unit1 x GRA-100 External Grill by S&P1 x Spiral Ducting 1 meter - 125mm1 x Curved boot - 500mm1 x Soler & Palau - HCBT/4-1000/H-X - IP551 x Ducting T Piece Equal - 315mm1 x Ducting 15 Degree Bend - 125mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x KABT/4-3000/3151 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX450/4-3B Three Phase1 x Chaysol SA 18/8 RTC CW-single inlet centrifugal fan1 x Ducting 30 Degree Bend - 355mm1 x Helios GigaBox 500mm GBW 500/4 T120 centrifugal1 x Acoustic Box Fans (Inline) - CAB-315 RE
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 170.17

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