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)
2 x MTS10- extractor fan 3 step switch1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Frequency converter RUCK - FU 075 211 x NKS-D swirl diffuser v-300 x 300mm1 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FRQ5-10A Inverter Speed controller1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2001 x JSR 200 Painted RAL50182 x Electronic extractor fan speed controller - FSC 1.51 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1602 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm1 x Airvent ceiling fan controller1 x Round ceiling diffuser 300mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2502 x COM-32 x Elta 6 Amp Electronic single phase speed controller.2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper2 x 100mm Round Connector with Damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Economy Airvent 100mm Fan with Timer1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Same Day Shipping Surcharge - City Sprint1 x DPD 12PM Delivery Surcharge1 x Northern Ireland Pallet Surcharge1 x D2E-146-AP47-751 x DPD 10:30AM Delivery Surcharge1 x Manrose T12 STANDARD Transformer- T12S1 x Economy Airvent 150mm Fan1 x DV-ROF-V-315 Roof mounted unit1 x 18M - 80mm PVC flexible ducting1 x Pallet Delivery Surcharge1 x Manrose 150mm - XF150BHP1 x Manrose 150mm - XF150BP1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW MCB Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Vent Axia T-Series Controller1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer (silent) speed controller - RE 3.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB1-N1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x REB-CVF 0-10v Controller1 x MTP 10, 10K, Speed control1 x Speed Controller - REB11 x PIR Sensor - PIR21 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Silent 100 Window Kit - windowS1 x PIR Sensor - PIR41 x Vent Axia Silent 100T (TIMER)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x QPTW 250C Acoustic Twin Fan with Controller1 x CBT-100N Centrifugal1 x Compact SCD450/4-1AC1 x Silentub - STUB 1001 x SAVE VSR 300 heat recovery unit1 x VEKA INT 2000/15.0-L1 EKO
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...