• 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 G2 duct Mounted Panel Filter - 435 x 435 x 47mm1 x European Pallet Delivery Surcharge1 x Delivery Surcharge1 x Same Day Shipping Surcharge1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x Kitchavent 2000 Odour control System1 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x ELTA - Single Phase Transformer 16amps1 x Soler & Palau TCBT/6-710/L - IP651 x Spiral Ducting 1 meter - 80mm2 x HIMF - Mixed Flow Fan 150mm Inline Fan1 x Spiral Duct Grille Termination - 250mm1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x FedEx TEN AM delivery Surcharge1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Kitchen Grease Filter - Mesh Type Non standard 275mm x 180mm x 22mm1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1601 x Silent 100 Window Kit - windowS1 x 125mm Round Equal T Piece1 x FSAF500FTX 500 mounting feet (Pair)1 x Dynair QCM 454 T - 3 phase1 x DA12/12 Feet1 x Helios HQW-450/4 - IP551 x HCFB/4-450mm plastic impeller plate fan1 x MFA-AR/AXC 315 mounting foot1 x Elta SCP450-1EC - IP551 x AMD 400/2/2 High Pressure Long Cased Axial Fan1 x Soler & Palau TCBT/6-400/H - IP441 x Raptor SDA400/4-1AC1 x HRT/4-350-BPN E211 x ECS25/400 ECS25/400 SPRING A/V MOUNT1 x CRHB-250N Ecowatt - Energy Efficient Roof Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-3AC - Three Phase1 x Soler & Palau - HCBB/6-560/H - IP651 x Soler & Palau - HXBR/4-560/H - IP541 x Elta SPA560/46-3AC - IP541 x 150mm - 100mm Round Reducer1 x Elta SLC1000/4C-3AC - IP551 x Soler & Palau - HXTR/4-560/H - IP541 x Hydor HPA560/6-1A1 x Elta 3 Amp Electronic single phase speed controller.1 x HRST/6-910/30-BZ1 x Elta Podded Silencer 1D- 710mm1 x FSAF400B1DA Silencer 450/81 x Elta Quietflow Twin SQT250-1ECL1 x Multiflow SMB550/4-1AC1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x Elta Unpodded Silencer Melinex 2D-450mm1 x Acopel F400-355/1601 x CTI CVA-N 500/560 Outdoor cover for CVAB/T Fans1 x CPTA-E Flush mounted PIR sensor with timer1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x HCFT/4-315mm plastic impeller plate fan1 x GENIOX 11 Internal Mounted Unit1 x LINEO 315 QUIET1 x GRA-100 External Grill by S&P1 x Direct Delivery Surcharge1 x ACCESS DOOR FOR CIRCULAR DUCT 180 X 180 -- 100/1251 x Soler & Palau - HCBT/4-250/H - IP651 x CBB-100N Centrifugal1 x *TD EVO-100 - Environmentally Friendly Inline Fan*1 x Jetflow-HIT Metal inline - 125mm1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Elta SPA250/2-1AC - IP441 x CBP-DC 15/151 x Multiflow SMB500/4-1AC1 x Helios HQW-250/4 - IP551 x PRIO-160 EC 160mm Inline Mixvent Fan1 x AXC 315-6/11-2(B)-PV 300*C - Smoke Extract Fan1 x ACO-TK-ADS Auto Changeover Panel - Single Phase1 x Jetflow-HIT Metal inline - 160mm1 x *TD EVO-250 - Environmentally Friendly Inline Fan*1 x AXCBF 315-7/30-2 (0.75 kW) - Bifurcated Axial Fan1 x Ducted Outlet Option for H14 - HAP5001 x Rectangular Airbrick Adaptor1 x MFQ450-14 - SQUARE MIXED FLOW FAN - 450mm Single Phase1 x 110 x 54mm Equal Horizontal T-Piece1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Jetflow-HIT Metal inline - 315mm1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x Multiflow SMB450/4-1AC1 x Raptor SDA350/4-1EC
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 41.95

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