400mm Duct

400mm Duct Acoustic Fans

Displaying 1 to 7 (of 7 products)
CAB-400 ECOWATT  Energy Efficient Acoustic Box Fan
CAB-400 ECOWATT Energy Efficient Acoustic Box Fan
£ 2,354.12
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...
KVK SLIM 400 EC - Centrifugal Circular Duct Fan
KVK SLIM 400 EC - Centrifugal Circular Duct Fan
£ 1,733.89
KVK SLIM 400 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...
Singleflow SSDL400-1EC
Singleflow SSDL400-1EC
£ 1,918.80
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...
KVK Slim 400 - Low profile Semi Acoustic Box Fan
KVK Slim 400 - Low profile Semi Acoustic Box Fan
£ 1,189.57
• 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...
Quietflow SQSDCV400-1ECL - Centrifugal Box Fan
Quietflow SQSDCV400-1ECL - Centrifugal Box Fan
£ 2,675.01
Quietflow SQSDCV400-1ECL - 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...
Acoustic Box Fans (Inline) - CAB-400 RE
Acoustic Box Fans (Inline) - CAB-400 RE
£ 890.40
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...
Quietflow SQS400-1ECL - Centrifugal Box Fan
Quietflow SQS400-1ECL - Centrifugal Box Fan
£ 2,135.20
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 +6...
Displaying 1 to 7 (of 7 products)
1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FlameProof Plate Axial Fan - Single Phase - 7.5 inches - Eexd IIC T4 -4pole1 x BD7/7 centrifugal M4 0.13Kw - Galvanised Impeller - MBI Assembled1 x KRJ - 225 Inlet Guard1 x AW 650 D6-2-EX Explosion Proof Axial Fan - ATEX1 x CBM 10/8 6P 245W RE VR1 x HD-LL Series - 100mm with NFA-S2, Multi Voltage Damper Actuator1 x FlameProof Plate Axial Fan - Three Phase - 15 inches - Eexd IIC T4 -4pole1 x RSK400 - Back Draught Shutter1 x Impeller Side Guard - 560mm1 x FU 075 04 Frequency Inverter (IP20)1 x CBM 12/9 750W RE-VR1 x Impeller Side Guard - 800mm1 x Curved boot - 900mm1 x Helios VARW 225/4 High Pressure Duct Fan1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Elta SLC560/4B-3AC - IP551 x Flanged Spigot - 250mm1 x Helios GigaBox 560mm GBD 560/6/6 centrifugal1 x Soler & Palau TCBB/4-560/L - IP651 x Acoustic Box Fans (Inline) - CAB-400 RE1 x ECS25/400 ECS25/400 SPRING A/V MOUNT1 x Ancillary Pack for SLC-5601 x Helios SB EC 125 A SilentBox Centrifugal Fan1 x Duct Termination with Mesh - 200mm1 x 56Jm/16/4/5/32/1Ph Long cased axial1 x Ancillary Pack for SLC-800 for SLC800/6A-3AC1 x Soler & Palau TCBT/4-560/H - IP651 x Anti Vibration Duct Suspension Rings - 250m1 x Singleflow SSDL400-1EC1 x Elta SCP350/4-1AC - IP551 x Ducting 15 Degree Bend - 250mm1 x Male Ducting Connector - 355mm1 x CBMT/Q 200-54 1 HEATER KIT1 x EVL Filter G4 grade for PIV units1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Ancillary Pack for SLC-4001 x Spiral Ducting 1 meter - 250mm1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x Spiral Ducting 1 Meters - 900mm1 x Ancillary Pack for SLC-710 for 4 pole Motors1 x Elta Turboflow-TF - 560mm - Single phase1 x Lo-Carbon PUREAIR HOME WITH HEATER BOXED ASSY1 x Spigot plate - 250mm1 x SQUARE MIXED FLOW FAN - MFQ 560mm (Three Phase)1 x Metal Inline Fan - VENT-125NK1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HWAS1 x Ducting T Piece Equal - 500mm
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 ...