Silencers

Silencers are normally connected to one or both sides of an extractor fan to reduce noise generated from the fan and or air movement. The longer the silencer the more effective.

Displaying 25 to 48 (of 58 products)
FSAF355B1DX Silencer 395/8
FSAF355B1DX Silencer 395/8
£ 187.72
Circular attenuator suitable for direct connection to 355mm mcased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fa...
FSAF355B2DX Silencer 395/8
FSAF355B2DX Silencer 395/8
£ 221.85
Circular attenuator suitable for direct connection to 355 cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan d...
FSAF400B1DA Silencer 450/8
FSAF400B1DA Silencer 450/8
£ 219.23
Circular attenuator suitable for direct connection to 400mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF400C2DB Silencer 450/8
FSAF400C2DB Silencer 450/8
£ 409.58
Circular attenuator suitable for direct connection to 400mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF450B1DA Silencer 500/8
FSAF450B1DA Silencer 500/8
£ 216.59
Circular attenuator suitable for direct connection to 450mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF450C1DA Silencer 500/8
FSAF450C1DA Silencer 500/8
£ 374.14
Circular attenuator suitable for direct connection to 450mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF500B1DA Silencer 560/12
FSAF500B1DA Silencer 560/12
£ 280.28
Circular attenuator suitable for direct connection to 500mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF500B2DA Silencer 560/12
FSAF500B2DA Silencer 560/12
£ 393.81
Circular attenuator suitable for direct connection to 500mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF500C2DA Silencer 560/12
FSAF500C2DA Silencer 560/12
£ 519.86
Circular attenuator suitable for direct connection to 500mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF500C2DB Silencer 541/12
FSAF500C2DB Silencer 541/12
£ 426.64
Circular attenuator suitable for direct connection to 500mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF560B1DA Silencer 620/12
FSAF560B1DA Silencer 620/12
£ 336.06
Circular attenuator suitable for direct connection to 560mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF560B2DA Silencer 620/12
FSAF560B2DA Silencer 620/12
£ 437.15
Circular attenuator suitable for direct connection to 560mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF630B1DA Silencer  690/12
FSAF630B1DA Silencer 690/12
£ 364.95
Circular attenuator suitable for direct connection to 630mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF630B2DA Silencer
FSAF630B2DA Silencer
£ 572.25
FSAF630B2DA Silencer...
FSAF630C2DA Silencer 690/12
FSAF630C2DA Silencer 690/12
£ 738.15
Circular attenuator suitable for direct connection to 630mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF710B1DA Silencer 770/16
FSAF710B1DA Silencer 770/16
£ 325.00
Circular attenuator suitable for direct connection to 710mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF710C2DA Silencer 770/16
FSAF710C2DA Silencer 770/16
£ 897.92
Circular attenuator suitable for direct connection to 710mm cased axial fans. Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan dri...
FSAF800B1DA Silencer 860/16
FSAF800B1DA Silencer 860/16
£ 456.83
Circular attenuator suitable for direct connection to 800mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF800B2DA Silencer 860/16
FSAF800B2DA Silencer 860/16
£ 722.01
Circular attenuator suitable for direct connection to 800mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
FSAF800C2DA Silencer 860/16
FSAF800C2DA Silencer 860/16
£ 1,017.39
Circular attenuator suitable for direct connection to 800mm cased axial fans Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan...
KBTA-100 -  Inlet Silencer for CBT
KBTA-100 - Inlet Silencer for CBT
£ 639.45
KBTA-100 - Inlet Silencer for CBT...
KKS 100 silencer-section - For use with the MUB 100 size Fans.
KKS 100 silencer-section - For use with the MUB 100 size Fans.
£ 1,149.00
KKS 100 silencer-section #276853 KKS – Silencer-section for MUB The silencer-module is equipped with splitters with a length of 750mm. The casing is a self-supporting construction of aluminium ...
MELINEX 100mm Circular Inline Silencers -SLU-300
MELINEX 100mm Circular Inline Silencers -SLU-300
£ 63.53
**Special MELIONEX LINED SILENCERS** Melinex lined silencers are used for dirty air such as restaurants, catering etc. Inline Circular Attenuators in standard diameters from 100mm to 400mm diame...
MELINEX 100mm Circular Inline Silencers -SLU-600
MELINEX 100mm Circular Inline Silencers -SLU-600
£ 77.86
**Special MELIONEX LINED SILENCERS** Melinex lined silencers are used for dirty air such as restaurants, catering etc. Inline Circular Attenuators in standard diameters from 100mm to 400mm diame...
Displaying 25 to 48 (of 58 products)
1 x FU 15 40 Frequency Inverter1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps3 x Elta 3 Amp Electronic single phase speed controller with TK5 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 4amps1 x ELTA - Single Phase Transformer 12amps3 x Airvent ceiling fan controller1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.4 x COM-32 x Remote Timer Control - 13511 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Multi Input Run On Timer - 0 - 20min - CFCU3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 1.5KW1 x NKS-D swirl diffuser v-300 x 300mm1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 075 04 Frequency Inverter (IP20)1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2001 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Round ceiling diffuser 200mm2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2504 x MWS 1.5 – Transformer Controller With Motor Protection3 x Systemair Save Connect 2.0 Internet Module2 x BEAS-control module2 x Envirovent G4 Filter - SL-G4/F75 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK2 x Helios TSW 3 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-8TK2 x Vent Axia ACM 150 inline mixed flow duct fan3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 100 inline mixed flow duct fan4 x Vent Axia ACM 125 inline mixed flow duct fan4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x MWS 3 – Transformer Controller With Motor Protection1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Isolator Switch - ISOSW2 x CS2 Current Switch1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x WS - Reversing Switch from Helios Fans2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x TG-K Duct temperature sensor3 x Electronic extractor fan speed controller - FSC 1.52 x Helios HQW-200/2 - IP552 x Vent Axia T-Series Controller1 x EM30-24 Control Panel Commissioning Service2 x EC6H - Reversible Group Fan Electronic Controller1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Helios HQW-630/4 - IP555 x Transformer (silent) speed controller - RE 3.0 Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x TEM 035 - 5 Speed Transformer Speed Control2 x Helios HQW-200/4 - IP551 x Transformer Speed Control - RTRE- 12.0Amp2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW 0.3Amp Compact Transformer speed controller3 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan4 x Helios TSW 10 Amp Transformer speed controller2 x Two Speed Switch - REGUL-22 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Speed Controller - REB52 x Helios HQW-315/4 - IP552 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Multiflow SMB550/4-1AC1 x Transformer Speed Control - RTRE- 1.5Amp2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MTS10- extractor fan 3 step switch1 x Transformer 5 Speed Controller - ATC1-2TK2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x TG-R room temperature sensor1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Transformer Speed Control - RTRE- 7.0Amp1 x SG-200 Fan Guard for the HQW 2001 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x CBS-60 Outlet Flange for CSB/CBT-60
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

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