• 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 AL 315 Mounting Feet (Pair)1 x MTP 10, 10K, Speed control1 x 100mm Round Connector with Damper2 x Stainless Duct Delivery Charge (Standard 2 x 1.5m)1 x 500mm Shoe Saddle - 150mm Spigot - 304 Stainless1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Helios PA10 Speed Potentiometer1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Helios ZNE Electronic Fan Overrun Timer1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Stainless Steel Male Connector - 250mm1 x UB47- Universal Insulated Terminal1 x Ancillary Sealing Band - 200mm1 x Access Door for Circular Duct - 250 x 150 - SIZE 251 x 204x60mm Flat Channel Clip (Pack of 5)1 x 300mm 316 Grade Stainless Steel 90 Bend1 x Elta Variable Speed Drive IP66 - 5.5KW1 x 300mm 316 Grade Stainless Steel 45 Bend2 x Stainless Steel Ducting T Piece - 250mm1 x 316 Grade Stainless Steel Male Connector - 300mm1 x Silent 200 Dual - Intelligent Bathroom Fan - 125mm1 x Stainless Steel IL Flanged Spigot-400mm1 x 204x60mm Flat Channel Connector1 x Transformer Speed Control - RTRE- 1.5Amp1 x Female Ducting Connector - 160mm1 x EM 250-E2M 01- Etamaster-2501 x Anti Vibration Duct Suspension Rings - 315mm1 x Stainless Steel Duct Suspension Rings - SUR1001 x 500mm Stainless Steel Spiral Ducting - 1 Meter1 x 500mm Shoe Saddle - 300mm Spigot - 304 Stainless1 x Stainless Steel IL Flanged Spigot-300mm1 x 400mm - 355mm 316 Grade Stainless Steel Ducting Reducer1 x 450mm 316 Grade stainless steel 90 Bend1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 315mm1 x Stainless Steel Ducting T Piece - 315mm1 x DPD SAT Delivery Surcharge1 x TD160 Mixvent - 100mm - TD160-N Standard1 x 110 x 54mm Equal Horizontal T-Piece1 x 110 x 54mm Low Profile Plastic Ducting - 1 Meter1 x Duct Termination with Mesh - 400mm1 x Anti Vibration Duct Suspension Rings - 200mm1 x Ducting 90 Degree Bend - 400mm1 x Ducting Reducers Short - 315mm-250mm1 x RDS 7 Helios Transformer Controller With Motor Protection
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...