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 56 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 56 products)
1 x 110 x 54mm Flat Channel Connector3 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter2 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x ELTA - Single Phase Transformer 2amps3 x Electronic extractor fan speed controller - FSC 1.52 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK2 x Airvent ceiling fan controller1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps2 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.4 x COM-31 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Helios TSW MCB Amp Transformer speed controller1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit2 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT3 x Remote controller FLEX - for VEKO INT5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Helios TSW 3 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N2 x Isolator Switch - ISOSW1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-8TK1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x BEAS-control module1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box4 x WS - Reversing Switch from Helios Fans3 x MWS 1.5 – Transformer Controller With Motor Protection1 x Helios HQW-200/2 - IP552 x Envirovent G4 Filter - SL-G4/F72 x Vent Axia T-Series Controller1 x ERR 31/1 Centrifugal inline fan1 x Helios HQW-630/4 - IP553 x Transformer (silent) speed controller - RE 3.0 Amp1 x CBS-60 Outlet Flange for CSB/CBT-602 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Helios HQW-200/4 - IP552 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Three Phase Transformer controllers - RMT 1.5 Amp1 x CS2 Current Switch2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x REE-1 Electronic Speed Controller2 x Transformer Speed Control - RTRE- 12.0Amp1 x Speed Controller - REB31 x Transformer (silent) speed controller - RE 1.5 Amp2 x TG-R room temperature sensor2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Speed Controller - REB52 x Temperature Fan Speed Controller - ATCP4-WMS2 x Transformer 5 Speed Controller - ATC1-10TK1 x Helios TSW 7.5 Amp Transformer speed controller1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Multiflow SMB550/4-1AC2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Isolator Switch - EFF-ISO1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Speed Controller - REB103 x REB-CVF 0-10v Controller1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios HQW-315/4 - IP553 x MTP 10, 10K, Speed control3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK2 x Transformer 5 Speed Controller - ATC1-4TK1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x SG-200 Fan Guard for the HQW 2001 x Speed Controller - REB1-N1 x PIR Sensor - PIR21 x CBM 9-9 550w 4P VR (Open Motor)1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Transformer speed controller - ATC1 - 1.5 Amps1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Silent 100 Window Kit - windowS1 x Transformer Speed Control - RTRE- 1.5Amp1 x CBA-60 Inlet Flange for CBT-601 x GRA-100 External Grill by S&P1 x MTS10- extractor fan 3 step switch1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta Louvre Shutter - 400mm1 x RDS 7 Helios Transformer Controller With Motor Protection1 x DDMP 09-09 3F 2130W M6A4 DG01 x DDMP 12-12 3F 1810W M6A4 DG01 x Helios HQW-250/4 - IP55
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

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