Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 products)
Backdraft Dampers - BDP
£ 5.98
Ducting Backdraft Dampers
The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maint...
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Flanged Damper 019-0250-STD
£ 424.76
Flanged Damper 019-0250-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
Flanged Damper 019-0500-STD
£ 583.15
Flanged Damper 019-0500-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 456.75
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter
for duct
installation
Galvanized sheet steel housing
Aluminium flaps ...
VKS 355-500 Automatic shutter
£ 89.25
VKS Dampers
Automatic shutter
Automatic operation
Robust construction
Seawater resistant
Robust
The VKS is fitted with shutter blades that are manufactured from
seawater-resistant aluminium...
Displaying 1 to 16 (of 16 products)
1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 2.2KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta 10 Amp Electronic single phase speed controller.2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1251 x FU 22 04 Frequency Inverter1 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 300mm1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller2 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 Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Round ceiling diffuser 400mm2 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-6N- Single Phase Speed Control1 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x MTV-1/010 Controller 0 to 10V+1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 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 S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x REB-CVF 0-10v Controller1 x Elta Wall Cowl SWC56/631 x Transformer 5 Speed Controller - ATC1-12TK1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 125 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N1 x Isolator Switch - ISOSW1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Electronic extractor fan speed controller - FSC 1.51 x Vent Axia T-Series Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Transformer Speed Control - RTRE- 1.5Amp1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x MTS10- extractor fan 3 step switch1 x Multiflow SMB550/4-1AC1 x MTP 10, 10K, Speed control1 x Elta Wall Cowl SWC35/401 x QPTW 250C Acoustic Twin Fan with Controller1 x Contactor Interface Station - CI91 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x COM-31 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x MWS 1.5 – Transformer Controller With Motor Protection1 x BEAS-control module2 x Speed Controller - REB11 x CBT-100N Centrifugal1 x PIR Sensor - PIR41 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x UB47- Universal Insulated Terminal1 x CBS-60 Outlet Flange for CSB/CBT-601 x Transformer Speed Control - RTRE- 7.0Amp1 x Vent Axia Silent 100T (TIMER)1 x SAVE VSR 300 heat recovery unit1 x Silentub - STUB 1001 x Jet Cowl - 315mm1 x AIRVENT speed control - AIR4019611 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x DDMP 12-12 3F 1810W M6A4 DG01 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CBA-60 Inlet Flange for CBT-601 x TD Mixvent 800/200 EEXEIIT3
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Airvent Ceiling Sweep Fan - 36 inch - 444122
£ 59.84
Fitted 2 Of These Excellent Fans in a Community Club to shif...