• 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 Metal Inline Fan - VENT-125NK1 x Ducting T Piece Equal - 250mm1 x Jetflow-HIT Metal inline - 100mm1 x Spiral Ducting 3 Meters - 315mm1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x Synthetic Air Filter Media - 15mm x 1000mm x 1000mm1 x G2 duct Mounted Panel Filter - 594 x 594 x 47mm1 x Access Door 200mm x 200mm1 x G2 duct Mounted Panel Filter - 435 x 435 x 47mm1 x Traditional T-Series Wall Fan - TX12WL1 x Female Ducting Connector - 200mm1 x Blast Gate (Manual) 300mm1 x Helios TSW 7.5 Amp Transformer speed controller1 x G4 duct mounted panel filter - 190 x 190 x 47mm1 x Duct Fast Clamps - 315mm1 x G2 duct Mounted Panel Filter - 620 x 495 x 22mm1 x AF VVX-200 - Villavent Filter1 x G2 duct Mounted Panel Filter - 293 x 293 x 47mm1 x Female Ducting Connector - 80mm1 x Soler & Palau - HCBT/4-400/H - IP651 x G2 duct Mounted Panel Filter - 342 x 342 x 47mm1 x Acoustic MiniBox Fan - MINI-BOX 1001 x ACCESS DOOR FOR CIRCULAR DUCT 180 X 180 -- 100/1251 x Blast Gate (Manual) 125mm1 x G2 Panel Filter - 495 x 495 x 22mm1 x Access Door for Circular Duct - 280 x 80 - SIZE 101 x Two Speed Switch - REGUL-21 x KBA- Inlet Mounting 2251 x RDS 7 Helios Transformer Controller With Motor Protection1 x Access Door for Circular Duct - 250 x 150 - SIZE 151 x Ancillary Pack for SDA350/4-1EC1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Spiral Duct Grille Termination - 100mm1 x MTS10- extractor fan 3 step switch1 x Access Door for Circular Duct - 250 x 150 - SIZE 251 x Envirovent G4 Filter - SL-G4/F71 x Jetflow Silent SJMF-S 250-1EC1 x Access Door for Circular Duct - 300 x 200 - SIZE 311 x Filter Box With F7 Grade Bag Filter - 200mm1 x Acopel F400-200/160
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
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I have a loft mount extractor fan which was very noisy. I ...