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 TG-K Duct temperature sensor1 x TG-K3/NTC10-01 - Duct temperature sensor3 x Transformer Speed Control - RTRE- 12.0Amp1 x Helios HQW-200/2 - IP551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service2 x Helios HQW-200/4 - IP552 x Remote Timer Control - 13511 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6304 x Airvent ceiling fan controller2 x Electronic extractor fan speed controller - FSC 1.51 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Helios HQW-630/4 - IP553 x Transformer (silent) speed controller - RE 3.0 Amp3 x Speed Controller - REB51 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x TG-R room temperature sensor1 x Multiflow SMB550/4-1AC3 x Elta Variable Speed Drive IP66 - 0.75KW2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Transformer Speed Control - RTRE- 7.0Amp2 x Isolator Switch - EFF-ISO1 x CBS-60 Outlet Flange for CSB/CBT-602 x SG-200 Fan Guard for the HQW 2002 x Speed Controller - REB102 x Helios HQW-315/4 - IP551 x TD Mixvent 800/200 EEXEIIT32 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta Wall Cowl SWC56/634 x MTP 10, 10K, Speed control3 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer 5 Speed Controller - ATC1-2TK3 x Vent Axia Silent 100T (TIMER)2 x Transformer (silent) speed controller - RE 5.0 Amp2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x EBM-Papst D4E225-BC01-17 Double inlet2 x CBM 9-9 550w 4P VR (Open Motor)3 x Transformer Speed Control - RTRE- 1.5Amp2 x Speed Controller - REB1-N1 x Two Speed Switch - REGUL-21 x MTS10- extractor fan 3 step switch4 x QPTW 250C Acoustic Twin Fan with Controller2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x REE-2 Electronic Speed Controller2 x DDMP 10-08 3F 2210W M6A4 DG01 x REB-CVF 0-10v Controller1 x Silent 100 Window Kit - windowS1 x Helios HQW-250/4 - IP551 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm2 x Elta 10 Amp Electronic single phase speed controller.2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBA-60 Inlet Flange for CBT-601 x Elta Wall Cowl SWC25/312 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Isolator Switch - ISOSW2 x PIR Sensor - PIR21 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x RDH FLEX-SQUARE - ADH/RDH 04501 x ELM 18 EX Flexible Cuff for ERM 181 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Helios TSW 7.5 Amp Transformer speed controller1 x KBA- inlet mounting flange for CRMT 2503 x Speed Controller - REB11 x Remote controller FLEX - for VEKO INT1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Vent Axia ACM 150 inline mixed flow duct fan3 x UB47- Universal Insulated Terminal1 x Duct Termination with Mesh - 355mm1 x FRQ5-10A Inverter Speed controller2 x Speed Controller - REB82 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x ACO8AC/EC AutoChangeover panel1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x DEF-140T Inlet Guard for the CBT-100N1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x Elta Variable Speed Drive IP66 - 1.5KW1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR2 x CBA-100 Inlet Flange for CBT-1002 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Elta 6 Amp Electronic single phase speed controller.1 x 7 Day Programmable TIMECLOCK2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 1.5 Amp Transformer speed controller2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x SAVE VSR 300 heat recovery unit1 x Flat Roof Terminal -OFT 5 - Asphalt2 x CBT-100N Centrifugal3 x PIR Sensor - PIR41 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x Speed Controller - REB2.5-N2 x Mini Diffuser - 100mm2 x DDMP 10-10 1F 1000W M6A2 DA51 x WSD 100 (1060x1060x70)1 x HIMF - Mixed Flow Fan 125mm Inline Fan2 x TG-K Duct temperature sensor1 x Binks Bullows - Spray Booth Filter2 x CBS-100 Outlet Flange for CBT-1001 x Quietflow Twin SQTDCV250-1ECL1 x CBT-80N Centrifugal1 x TD Mixvent 1100/250 EEXEIIT31 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Contactor Interface Station - CI91 x Duct Termination with Mesh - 450mm1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x VEKA INT 2000/15.0-L1 EKO1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x Helios RR-250-C Centrifugal inline fan
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 ...