• 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 Female Ducting Connector - 80mm1 x Elta Unpodded Silencer Melinex 2D-1000mm Dia1 x CBA-60 Inlet Flange for CBT-601 x Duct Mounted Filter Box - G4 Grade Panel - 250mm1 x G4 duct mounted panel filter - 190 x 190 x 47mm1 x KBD- outlet mounting flange for CRMT 3551 x 125mm - 150mm Round Reducer1 x G4 duct mounted panel filter - 296 x 296 x 22mm1 x CBS-100 Outlet Flange for CBT-1001 x KBD- outlet mounting flange for CRMT 2251 x SG AW 800 Guard grille (GFC)1 x Spiral Ducting 1 meter - 180mm1 x G2 duct mounted panel filter 200-2501 x BF VVX-200 - Villavent Filter1 x LAL 1000 D4 Mounting Flange1 x KBA- Inlet Mounting 2251 x G2 duct Mounted Panel Filter - 620 x 495 x 22mm1 x G4 duct Mounted Panel Filter - 475 x 245 x 22mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 400mm1 x DDMP 10-10 1F 1000W M6A2 DA51 x G4 duct Mounted Panel Filter - 635 x 635 x 47mm1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 300mm Spigot1 x ILHT-560/MV - Inlet & Outlet Mounting Flange Kit1 x AF VVX-200 - Villavent Filter1 x G4 duct mounted panel filter - 390 x 390 x 47mm1 x G4 duct mounted panel filter - 289 x 289 x 22mm2 x KBA- Inlet Mounting 1801 x G4 duct mounted panel filter 595 x 595 x 47mm1 x Helios Outlet spigot - Round to Rectangular - GB-AS6301 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 100mm1 x Circ.connection-125 fo EX-140 ATEX unit1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 250mm Spigot2 x KBA- Inlet Mounting 3151 x Elta Cased Axial Flange - 630mm1 x G4 duct mounted panel filter 598H x 695W x 97mm1 x G4 duct Mounted Panel Filter - 495 x 495 x 47mm1 x G2 duct mounted panel filter 100-1601 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 315mm Spigot1 x Duct Mounted Filter Box - G4 Grade Panel - 100mm1 x G2 duct mounted panel filter 315-3551 x Casals Circular Outlet Connection Flange - 5102018031 x Ducting 90 Degree Bend - 400mm1 x Duct Mounted Filter Box - 500mm - M6 grade Bag filter1 x JBR N - 560 Flange to suit CRHB roof fans1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 315mm1 x VSR 300 Heat Recovery spare filter Kit. M5 extract & F7 supply.1 x Female Ducting Connector - 400mm1 x Elta Powder Coated Cased Axial Flange - 630mm
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 170.17

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