• 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 Elta SLC1000/6B-3AC - IP551 x Elta Raptor SFB ATEX Plate Mounted Axial Fan- 650mm1 x HRB/4-400-APN1 x FlameProof Plate Axial Fan - Three Phase - 15 inches - Eexd IIC T4 -4pole1 x Female Ducting Connector - 560mm1 x FlameProof Plate Axial Fan - Single Phase - 9 inches - Eexd IIC T4 -4pole1 x Belt Drive Cased Axial Fan - 560mm - H version1 x ACO8AC/EC AutoChangeover panel1 x Elta Turboflow-TF - 560mm - Single phase1 x Helios HQW-400/6 - IP551 x FlameProof Plate Axial Fan - Three Phase - 10.5 inches - Eexd IIC T4 -2pole1 x AXCBF-EX 800-9/18-4 Bifurcated Atex Axial Fans1 x Elta LC100N4-A6/381 x FSD-TD 400 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Synthetic Air Filter Media - 6mm x 2mtr x 20mtr Roll1 x Soler & Palau - HCBB/6-400/H - IP651 x ES9G Window Fan Systemair1 x AL 1000 D4 02 - High Performance Long Cased Axial Fan1 x Ducting T Piece Equal - 560mm1 x Classic SAX30/12AR Window/Wall Mounted1 x AW 420 D4-2-EX Explosion Proof Axial Fan - ATEX1 x Elta SCP400-1EC - IP551 x Soler & Palau TCBB/4-560/L - IP651 x EM30-24 Electro-Mechanical Control Panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Classic SAX30/12A Window/Wall Mounted1 x B-flow Impeller HCBB/T-560mm1 x KVK Slim 250 - Low profile Semi Acoustic Box Fan1 x Etaline 500mm - D4 01 3 Phase1 x Duct Suspension Rings - 400mm1 x Soler & Palau - Contra Rotating TCBTx2-450 - IP651 x Soler & Palau - HXTR/6-710/H - IP54 - BFLOW1 x Helios VARW 450/4 - TK1 x Ducting 90 Degree Bend - 125mm1 x HD Series Control Damper - 2000mm X 1000mm1 x ZAP 710-61 Plate axial fan1 x Helios GigaBox 355mm GBD 355/4/4 centrifugal1 x Quietflow SQS150-1ECL - Centrifugal Box Fan1 x Ducting 45 Degree Bend - 400mm1 x 125mm Thermal Duct to Duct Connector - SST-125-DDCON1 x 150mm Round Equal T Piece1 x Soler & Palau - TGT/4-450-6/0.55kW 32 Degree1 x Circular Ceiling Diffuser - TST 1601 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Helios SB-250-C SilentBox Acoustic Inline Fan1 x HV Wall Mounted Belt Drive Fan 1250mm 400V / 50Hz 1.1kW - Three Phase1 x Raptor SDA450/4-1AC1 x 150mm Round Connector1 x HRST/6-710-24 BZ C Rotorex Sickle bladed fan1 x OBD 450x450 - for use with 4WAY-5951 x Metal Inline Fan - VENT-355N1 x 220x90mm Mounting Clip (Individual)1 x Male Ducting Connector - 400mm
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

Look good, works well, except the shaft of the lanellae cuts...