250mm Duct

250mm Duct Acoustic Fans

Displaying 1 to 12 (of 12 products)
TD-SILENT 1300/250
TD-SILENT 1300/250
£ 699.12
Standard versions on 150mm versions and above now have three speed motors. Spigot size: 250mm Airflow: 1320m3/hr Power Absorbed: 204W Sound Level: 35db radiated @ 3M The S&P TD SILENT Series In...
KVK SLIM 250 EC - Centrifugal Circular Duct Fan
KVK SLIM 250 EC - Centrifugal Circular Duct Fan
£ 872.05
KVK SLIM 250 EC * Slim design, easy to install * Easy maintenance, service cover * Low sound level, insulated cover * High efficiency and low SFP in a real working point * Potentiometer in...
Quietflow SQS250-1ECL - Centrifugal Box Fan
Quietflow SQS250-1ECL - Centrifugal Box Fan
£ 1,177.00
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 +6...
Acoustic Box Fans (Inline) - CAB-250N
Acoustic Box Fans (Inline) - CAB-250N
£ 448.51
The CAB Acoustic inline fan series is manufactured by S&P and continuing their range of quiet fans, this range of attenuated cabinet fans are specifically designed to provide extract ventilation solut...
Acoustic MiniBox Fan - MINI-BOX 250
Acoustic MiniBox Fan - MINI-BOX 250
£ 319.00
The MINI-BOX series consists of centrifugal in-line fans, with acoustically insulated casing and with round spigot (diameter from 100mm to 315mm) for easy connection to round duct system. Main featur...
CAB-250 ECOWATT  Energy Efficient Acoustic Box Fan
CAB-250 ECOWATT Energy Efficient Acoustic Box Fan
£ 1,452.64
Low profile acoustic cabinet fans, manufactured from galvanised sheet steel and internally lined with 50mm thickness of fireproof acoustic insulation (M0), with sound-absorbent insulation at the inlet...
ACQ-25012D  Acoustic Inline Box Fan
ACQ-25012D Acoustic Inline Box Fan
£ 886.88
• Acoustically treated housing, Class ‘O’ rated, sandwich construction selected for maximum noise absorption • Motors protected to IP44 • Motor insulation Class ‘B’ • Maximum operat...
Singleflow SSDL250-1EC
Singleflow SSDL250-1EC
£ 877.65
Singleflow SSDL fans are suitable for external mounting. The range incorporates advanced backward curved impellers. All models are designed for direct connection to standard diameter flexible or ri...
QP315C Acoustic Fan - 315mm
QP315C Acoustic Fan - 315mm
£ 975.00
QP315C Acoustic Fan - 315mm...
KVK Slim 250 - Low profile Semi Acoustic Box Fan
KVK Slim 250 - Low profile Semi Acoustic Box Fan
£ 486.49
• Slim design, easy to install • Easy maintenance, service cover • Low sound level, insulated cover • High efficiency and low SFP in a real working point • Speed-controllable • Simple...
ISOR 250 EC 20
ISOR 250 EC 20
£ 603.90
**Backward curved centrifugal fan **EC motor **Integrated electronic **Galvanized metal housing **sound insulated ISOR 250 EC 20 | 50 Hz Voltage UN 230 V 1~ Current Imax 1.8 A Ambient temp...
Helios  SB-250-C SilentBox Acoustic Inline Fan
Helios SB-250-C SilentBox Acoustic Inline Fan
£ 502.24
Duty: Up to 960m3/hr ■ Installation: Installation in any position without restriction – horizontally, vertically or pitched – suitable for intake or extract (Exception: SVS must not be ins...
Displaying 1 to 12 (of 12 products)
1 x Helios AV150 External Wall Fan1 x KVK Slim 125 - Low profile Semi Acoustic Box Fan1 x Ducting T Piece Equal - 630mm1 x Synthetic Air Filter Media - 10mm x 2mtr x 10mtr Half Roll1 x Synthetic Air Filter Media - 15mm x 1000mm x 1000mm1 x Pre 10:30 Delivery Surcharge1 x Ducting 90 Degree Bend - 630mm1 x Direct AM Delivery Surcharge1 x Spiral Ducting 1 meter - 630mm1 x Helios SB-125-C SilentBox Acoustic Inline Fan1 x Spiral Ducting 3 Meters - 630mm1 x Northern Ireland Surcharge1 x Acoustic Box Fans (Inline) - CAB-1251 x European Pallet Delivery Surcharge1 x Elta 2 Amp Electronic single phase speed controller.1 x Spiral end cap - 80mm1 x Slotted channel1 x Spiral Duct Grille Termination - 80mm1 x Spiral end cap - 125mm1 x Duct Termination with Mesh - 315mm1 x TD1300 Mixvent - 250mm1 x Flexible PVC Ducting - 15 Mtr1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 200mm1 x Spiral Duct Grille Termination - 125mm1 x Duct Termination with Mesh - 125mm1 x BDS 400/450 RA b/d shutter1 x 220x90mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Flanged Spigot - 80mm1 x Duct Mounted Filter Box - G4 Grade Panel - 450mm1 x REE-1 Electronic Speed Controller1 x CC-314 M Cased Axial Fan (Single Phase)1 x Ducting Reducers Short - 315mm-200mm1 x Ducting 45 Degree Bend - 315mm1 x Motorised Volume Control Damper - 400mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x BFR 100-160 Coarse 50% Filter1 x ELTA - Single Phase Transformer 2amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x QP315C Acoustic Fan - 315mm1 x JETLINE-315 - In Line Centrifugal Duct Fan1 x Anti Vibration Mounts - Small - Pack of 4 - AVM2
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...