• Model:SQS250-1ECL

Quietflow SQS250-1ECL - Centrifugal Box Fan

£ 1,259.39 (excl. VAT)

£ 1,511.27 (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 Smoke Extract Axial Fan Series AXC 450 (B)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Rectangular Airbrick Adaptor1 x Helios TSW 7.5 Amp Transformer speed controller1 x Vent Axia ACM 150 inline mixed flow duct fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan1 x CS2 Current Switch1 x Control with reverse - CR3001 x DEF-140T Inlet Guard for the CBT-100N1 x RTRD - Three Phase Speed Controller - 4 Amp1 x Helios HQW-200/2 - IP551 x Elta 3 Amp Electronic single phase speed controller with TK1 x MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans1 x Speed Controller - REB31 x REE-1 Electronic Speed Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x CBS-60 Outlet Flange for CSB/CBT-601 x Helios HQW-200/4 - IP551 x ERR 31/1 Centrifugal inline fan1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Electronic extractor fan speed controller - FSC 1.51 x Multiflow SMB550/4-1AC1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x REB-CVF 0-10v Controller1 x Transformer (silent) speed controller - RE 5.0 Amp1 x ELM 18 EX Flexible Cuff for ERM 181 x Elta Variable Speed Drive IP66 - 2.2KW1 x Transformer Speed Control - RTRE- 7.0Amp1 x Transformer Speed Control - RTRE- 5.0Amp1 x Speed Controller - REB11 x Transformer 5 Speed Controller - ATC1-2TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer speed controller - ATC1 - 1.5 Amps1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Vent Axia SC5001 - Speed controller1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Two Speed Switch - REGUL-21 x ERR 20/1 Centrifugal inline fan
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...