Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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
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...
Flanged Damper 019-0560-STD
Flanged Damper 019-0560-STD
£ 602.00
Flanged Damper 019-0560-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...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
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 17 (of 17 products)
1 x CBS-60 Outlet Flange for CSB/CBT-603 x REB-CVF 0-10v Controller1 x Transformer (silent) speed controller - RE 1.5 Amp2 x Speed Controller - REB51 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service3 x Helios HQW-200/4 - IP551 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC6H - Reversible Group Fan Electronic Controller1 x TG-K3/NTC10-01 - Duct temperature sensor4 x Transformer (silent) speed controller - RE 3.0 Amp2 x TG-R room temperature sensor1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios HQW-630/4 - IP551 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x WS - Reversing Switch from Helios Fans2 x REE-1 Electronic Speed Controller2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS4 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Vent Axia Silent 100T (TIMER)2 x Vent Axia T-Series Controller2 x Remote Timer Control - 13512 x TD Mixvent 800/200 EEXEIIT31 x Multiflow SMB550/4-1AC3 x SG-200 Fan Guard for the HQW 2003 x Airvent ceiling fan controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x Electronic extractor fan speed controller - FSC 1.56 x MTP 10, 10K, Speed control1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x RDH FLEX-SQUARE - ADH/RDH 04503 x Silent 100 Window Kit - windowS2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Speed Controller - REB1-N3 x PIR Sensor - PIR22 x TUNE-R-200-3-M1 - Control Damper1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Vent Axia ACM 200 inline mixed flow duct fan3 x Speed Controller - REB102 x TUNE-R-200-3-M4 - Control Damper3 x Elta Variable Speed Drive IP66 - 2.2KW3 x QPTW 250C Acoustic Twin Fan with Controller1 x UB47- Universal Insulated Terminal2 x Transformer 5 Speed Controller - ATC1-4TK1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Transformer Speed Control - RTRE- 12.0Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x ELM 18 EX Flexible Cuff for ERM 183 x PIR Sensor - PIR41 x Elta Wall Cowl SWC56/631 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm4 x ACO8AC/EC AutoChangeover panel2 x DDMP 12-12 3F 5700W M6M0 DG72 x CBT-100N Centrifugal1 x Quietflow Twin SQTDCV250-1ECL1 x EBM-Papst D4E225-BC01-17 Double inlet2 x CBA-60 Inlet Flange for CBT-603 x Helios HQW-250/4 - IP551 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven2 x Speed Controller - REB12 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta 10 Amp Electronic single phase speed controller.1 x TUNE-R-200-3-M2 - Control Damper1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x Elta Wall Cowl SWC25/312 x Transformer Speed Control - RTRE- 7.0Amp1 x Elta 3 Amp Electronic single phase speed controller with TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Binks Bullows - Spray Booth Filter1 x AXC TP - 150mm Plastic Centrifugal Inline Fan2 x Elta 6 Amp Electronic single phase speed controller.1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x MTS10- extractor fan 3 step switch1 x Compact SCD450/4-1AC1 x TecFire Intumescent Damper - Rectangular 400x400mm1 x Helios TSW 3 Amp Transformer speed controller1 x Transformer Speed Control - RTRE- 1.5Amp2 x DDMP 12-12 3F 1810W M6A4 DG03 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x DDMP 10-10 1F 1000W M6A2 DA51 x Two Speed Switch - REGUL-21 x Transformer (silent) speed controller - RE 5.0 Amp3 x DDMP 10-08 3F 2210W M6A4 DG01 x Helios HQW-315/4 - IP551 x Elta Wall Cowl SWC35/401 x TG-K Duct temperature sensor1 x Duct Termination with Mesh - 450mm1 x Mini Diffuser - 100mm1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Duct Termination with Mesh - 355mm1 x Transformer 5 Speed Controller - ATC1-2TK1 x ERR 20/1 Centrifugal inline fan1 x Helios RR-250-C Centrifugal inline fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x DPD 12PM Delivery Surcharge1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR1 x DDMP 12-12 1F 1800W M6A4 DA81 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x DDMP 10-08 1F 1000W M6A2 DA51 x VTR 300 STD Filter Kit
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...