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)
2 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x ENV 100 12v transformer SELV2 x Helios HQW-250/4 - IP551 x EBM-Papst D4E225-BC01-17 Double inlet1 x FRQ5-10A Inverter Speed controller1 x MTP 10, 10K, Speed control3 x Silent 100 Window Kit - windowS1 x Transformer Speed Control - RTRE- 1.5Amp2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Jet Cowl - 315mm1 x PIR Sensor - PIR23 x UB47- Universal Insulated Terminal1 x QPTW 250C Acoustic Twin Fan with Controller4 x Speed Controller - REB84 x VTR 300 STD Filter Kit2 x LFBR 160 G4 - Helios Inline Filter Box - 160mm4 x PIR Sensor - PIR44 x SAVE VSR 300 heat recovery unit4 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR3 x Speed Controller - REB12 x Elta 6 Amp Electronic single phase speed controller.2 x Compact SCD450/4-1AC1 x TG-K Duct temperature sensor6 x CBT-100N Centrifugal4 x AIRVENT speed control - AIR4019611 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven2 x EBM-Papst D3G133-BF05-14 Double inlet1 x GXC6EC - High Performance Extract Fan3 x Contactor Interface Station - CI93 x Elta - Room Sensor - Temp/Humid/C023 x Speed Controller - REB2.5-N3 x Elta Variable Speed Drive IP66 - 1.5KW2 x DDMP 10-08 3F 2210W M6A4 DG01 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x DEF-CBM-RE-7 - Protection Guard3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x ELM 18 EX Flexible Cuff for ERM 181 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm3 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x MWS 5 – Transformer Controller With Motor Protection Unit2 x Multi Input Run On Timer - 0 - 20min - CFCU3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Single Deflection Grille 400mm with OBD damper1 x Speed controller with Reverse - REB-1R1 x DA9/9-NT2 x Comefri - TLZ 450 R - High Performance Scroll Fan4 x CBA-100 Inlet Flange for CBT-1002 x Silentub - STUB 1001 x EC6H - Reversible Group Fan Electronic Controller3 x SPI-100 C Iris damper3 x Helios RR-250-C Centrifugal inline fan2 x HIMF - Mixed Flow Fan 100mm Inline Fan3 x Silent 300 CZ Design PLUS Extractor Fan3 x MTS10- extractor fan 3 step switch2 x Electrostatic Precipitator - 1H x 3W2 x HIMF - Mixed Flow Fan 125mm Inline Fan3 x VEKA INT 2000/15.0-L1 EKO1 x Speed Controller - REB161 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR2 x TD160-NT Mixvent - 100mm - TD160 Timer2 x ACO8AC/EC AutoChangeover panel3 x Duct Termination with Mesh - 355mm2 x CPTA-E Flush mounted PIR sensor with timer1 x Vent Axia SC5001 - Speed controller1 x Transformer Speed Control - RTRE- 5.0Amp1 x Transformer 5 Speed Controller - ATC1-4TK1 x Elta Variable Speed Drive IP66 - 5.5KW2 x AXC TP - 150mm Plastic Centrifugal Inline Fan3 x ELTA - Three Phase Transformer 3amps1 x DDMP 07/07 Mounting Flange1 x Run On Timer - 5s - 4hrs - RT5A2 x CBM 12-12 1100w 6P Three Phase1 x Transformer 5 Speed Controller - ATC1-10TK1 x IR24-P - Presence detector1 x ACO3TO-ADS-VFC-7.1A1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Duct Termination with Mesh - 450mm1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x VTR 500 STD Filter Kit1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x ERR 20/1 Centrifugal inline fan1 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x Binks Bullows - Spray Booth Filter1 x Speed Controller - REB51 x Singleflow SSDL315-1EC1 x Round ceiling diffuser 200mm
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 ...