• Model:SQS400-1ECL

Quietflow SQS400-1ECL - Centrifugal Box Fan

£ 2,284.66 (excl. VAT)

£ 2,741.59 (inc. VAT)


Quietflow SQS400-1ECL - Centrifugal Box Fan

• Standard size 400 mm
• Air volume flow rates up to 1.051 m3/s
• Static pressures up to 839 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
• Available in EC
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.

1 x RTRD - Three Phase Speed Controller - 14 Amp1 x RDS 7 Helios Transformer Controller With Motor Protection1 x KVK SLIM 100 EC - Centrifugal Circular Duct Fan1 x KV DUO 250 EC1 x Temperature Controller - EDTW1 x OBD 450x450 - for use with 4WAY-5951 x Ducting T Piece Equal - 200mm1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x Helios AV125 External Wall Fan1 x Lo-Carbon PUREAIR HOME WITH HEATER BOXED ASSY1 x MEV Spider Additional Spigots1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-H1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HW1 x PPF4 - Positive Pressure Supply Fan1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x FFH 125 EC 20 - Commercial Grade Air supply Unit1 x MEV 160 & 300 Additional Spigots1 x Venturia Whole House Ventilation1 x Remote controller FLEX - for VEKO INT1 x VEKA INT 2000/15.0-L1 EKO1 x EVL Filter G4 grade for PIV units1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x KVK SLIM 160 EC - Centrifugal Circular Duct Fan1 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x Jetflow-HIT Metal inline - 100mm1 x RSK355 - Back Draught Shutter1 x HRB/4-315-APN1 x Elta SLC800/4B-3AC - IP551 x HD Series Control Damper - 1000mm X 1000mm1 x HCFB/4-315mm plastic impeller plate fan1 x Hydor HPA315/4-1A1 x RSK400 - Back Draught Shutter1 x Female Ducting Connector - 160mm1 x Elta SLC800/4B - Fan & Inverter Package1 x 80AC/20/6/6/26 - CLIMA-SHORT-A - Woods Short Cased Fan1 x HRT/4-315-BPN1 x JETLINE-100 - In Line Centrifugal Duct Fan1 x HD-LL Series 600x6001 x SPI-200 C Iris damper1 x BIF 80JML 112M 3PH/4P 200DEG IE3 - 800mm Bifurcated Fan - JN8390131 x Elta SCP315/4-1AC - IP551 x HD Series Control Damper - 2000mm X 1000mm1 x MV EC 100 Multivent1 x HD Series Control Damper - 3000mm X 1500mm1 x Soler & Palau TCBT/4-800/L - IP651 x Soler & Palau - HCBT/2-315/H - IP651 x HCGT/2-315/L-AMXN E7201 x Belt Drive Cased Axial Fan - 800mm - H version1 x Soler & Palau TCBT/4-800/K - IP651 x Soler & Palau - HCBT/4-800/H - IP551 x Elta SCP400/4-1AC - IP551 x HD-LL Series - 100mm with NFA-S2, Multi Voltage Damper Actuator1 x Helios AV100 External Wall Fan1 x Soler & Palau TCBT/4-800/H - IP651 x Ducting T Piece Equal - 180mm1 x SPI-125 C Iris damper1 x RSK450 - Back Draught Shutter1 x Soler & Palau TCBT/6-800/H - IP651 x Soler & Palau TCBT/6-800/K - IP651 x HRT/4-350-BPN E211 x Metal Inline Fan - VENT-100NK1 x HCFT/4-800/H Plastic impeller plate fan - 800mm1 x Motorised Volume Control Damper - 400mm1 x LC080L43-A9-40 - Long Cased Axial1 x Male Ducting Connector - 450mm1 x Soler & Palau - HXTR/6-800/H - IP541 x CC-800-5.5kw1 x Soler & Palau - HXBR/4-315/H - IP541 x HXP450/6-3 - 6 Pole - Three Phase1 x Belt Drive Cased Axial Fan - 800mm - L version1 x CBMT/Q 315-54 1 HEATER KIT1 x Ancillary Pack for SB-CYL 630 model1 x GX6EC - High Performance Extract Fan1 x EuroSeries (ESP) - Plate Mounted Axial Fans 315-121 x SPI-250 C Iris damper1 x Elta SLC800/4A-3AC - IP551 x Soler & Palau - HCBT/4-800/L-AX - IP551 x HXP450/4-1 - 4 Pole - Single Phase1 x HRT/6-630/25-BPN1 x SPI-150 C Iris damper1 x HCFT/4-315mm (B-FLOW) plastic impeller plate fan1 x Helios AV150 External Wall Fan1 x Soler & Palau TCBT/6-800/G - IP651 x HCFT/4-355mm plastic impeller plate fan1 x HRT/6-630/30-BPN1 x Soler & Palau TCBT/6-800/L - IP651 x Multiflow SMB450/4-3AC1 x Elta SPA315/4-1AC - IP441 x Helios AV200 External Wall Fan1 x Ancillary Pack for SLC-900 for SLC900/6A-3AC and SLC900/6B-3AC1 x Elta SLC800/4A - Fan & Inverter Package1 x Silent 100 Window Kit - windowS1 x HRB/4-350-BPN1 x Elta SPA630/4-3EC - IP541 x Elta SCP315-1EC - IP551 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x Spiral Ducting 1 meter - 180mm1 x Helios HQW-630/6 - IP551 x Ancillary Pack for SLC-800 for SLC800/6A-3AC1 x HRB/6-630-25-BPN1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x HRST/6-800/28-AQ1 C21 x HCFT/6-1000-HX plastic impeller plate fan1 x HV STYLVENT Wall Kit Threaded Rods1 x HCBT/4-450/H - B FLOW1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Soler & Palau - HCBT/4-355/H - IP651 x Ancillary Pack for SB-Biflow 250 model1 x Rosenberg E46-35003 Type: AKBD 350-4 B51 x Ancillary Pack for SLC-6301 x Soler & Palau - HXTR/4-355/H - IP541 x Soler & Palau - HXTR/4-315/H - IP541 x Elta SCP450/4-1AC - IP551 x HV Wall Mounted Belt Drive Fan 800mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x HRST/6-800/28-BZ-68 (400V50)C1 x HCFB/4-315mm (B-FLOW Supply Air) plastic impeller plate fan1 x Ancillary Pack for SLC-3151 x Multileaf Volume Control Dampers -600/600 Rectangular Flanged1 x Dynair QCM 454 T - 3 phase1 x Soler & Palau - HXTR/12-800/28-A1 x Hydor HPA400/6-1A1 x Elta SPA630/46-3AC - IP541 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Helios HQW-400/4 - IP551 x HQD 450/4/4 TK Plate Axial Fan (4-pole)1 x Elta SPA450/46-3AC - IP541 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Hydor HPA450/6-1A1 x Ancillary Pack for SLC-5601 x Ancillary Pack for SLC-710 for 4 pole Motors1 x PFT/3-450/125D 6-1600 A E00 400V C V5 - Three Phase Plug Fan1 x Elta SCP800/6/8-3AC - IP551 x GXC6EC - High Performance Extract Fan1 x HCFB/4-400mm plastic impeller plate fan1 x Elta SCP350/4-1AC - IP551 x Elta SCP350/4-3AC - IP55
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
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