• 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 Acoustic MiniBox Fan - MINI-BOX 1251 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 315mm1 x CAB-125B - High Pressure Acoustic Fan1 x BDS 400/450 RA b/d shutter1 x Carriage1 x 125mm - 150mm Round Reducer1 x Spiral Ducting 1 meter - 160mm1 x CRBB/4-400/J ML UL1 x Etaline 150mm - EL 150L E2 011 x Spiral Ducting 3 Meters - 300mm1 x KVK Slim 100 - Low profile Semi Acoustic Box Fan1 x Impeller Side Guard - 450mm1 x Helios SB EC 125 A SilentBox Centrifugal Fan1 x KVK SLIM 125 EC - Centrifugal Circular Duct Fan1 x Elta Wall Cowl SWC45/501 x TD160 Mixvent - 100mm - TD160-N Standard1 x Singleflow SSDL125-1EC1 x Spiral Ducting 3 Meters - 710mm1 x KVK Slim 125 - Low profile Semi Acoustic Box Fan1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Helios Condense Collector1 x BDS 500/560 RA b/d shutter1 x RTRD - Three Phase Speed Controller - 14 Amp1 x Soler & Palau - HXTR/6-800/H - IP541 x TD Mixvent 1100/250 EEXEIIT31 x European Pallet Delivery Surcharge1 x HV Wall Mounted Belt Drive Fan 1500mm 220V to 240V / 50Hz 1.5kW - Single Phase1 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Atex Inline Fan 180mm - ERM18EXE1 x Soler & Palau - HCBT/4-1000/H-X - IP551 x Soler & Palau VFD-T inverter 17 amp IP541 x Atex Inline Fan 200mm - ERM22EXE1 x KVK SLIM 355 EC - Centrifugal Circular Duct Fan1 x Raptor SDA450/6-1AC1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Elta Unpodded Silencer Melinex 2D-560mm1 x PPF4 - Positive Pressure Supply Fan1 x MEV 160 & 300 Additional Spigots1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x MEV 160 & 300 FT (FastTrack) Additional Spigots1 x Venturia Whole House Ventilation1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-H1 x MPC 450 E4 20 - High Temp Acoustic Box Fan1 x QP315C Acoustic Fan - 315mm1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 4.0KW
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 170.17

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