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 Speed Controller - REB52 x RDH FLEX-SQUARE - ADH/RDH 04505 x MTP 10, 10K, Speed control1 x Elta Louvre Shutter - 400mm2 x Silent 100 Window Kit - windowS2 x Elta Variable Speed Drive IP66 - 2.2KW2 x REB-CVF 0-10v Controller3 x Speed Controller - REB81 x TD Mixvent 800/200 EEXEIIT35 x PIR Sensor - PIR42 x SG-200 Fan Guard for the HQW 2001 x Speed Controller - REB102 x Vent Axia Silent 100T (TIMER)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x VTR 300 STD Filter Kit2 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x EBM-Papst D3G133-BF05-14 Double inlet4 x QPTW 250C Acoustic Twin Fan with Controller4 x Speed Controller - REB12 x Elta Variable Speed Drive IP66 - 1.5KW1 x EBM-Papst D4E225-BC01-17 Double inlet3 x Helios HQW-250/4 - IP551 x Transformer Speed Control - RTRE- 1.5Amp1 x DA9/9-NT2 x TD160-NT Mixvent - 100mm - TD160 Timer4 x PIR Sensor - PIR23 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR3 x AIRVENT speed control - AIR4019612 x TUNE-R-200-3-M4 - Control Damper1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Potentiometer EGH 01 - for DDMP Fans4 x DDMP 12-12 3F 1810W M6A4 DG01 x FRQ5-10A Inverter Speed controller1 x Jet Cowl - 315mm1 x Singleflow SSDL315-1EC3 x Elta - Room Sensor - Temp/Humid/C021 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TUNE-R-200-3-M1 - Control Damper3 x Compact SCD450/4-1AC1 x Speed Controller - REB1-N1 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x SAVE VSR 300 heat recovery unit5 x CBT-100N Centrifugal2 x DS-2 2-Speed Switch (3 Phase)3 x Elta 6 Amp Electronic single phase speed controller.1 x Contactor Interface Station - CI93 x ACO8AC/EC AutoChangeover panel1 x Speed Controller - REB162 x CBA-100 Inlet Flange for CBT-1001 x Helios ZNE Electronic Fan Overrun Timer1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x IR24-P - Presence detector3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x TG-K Duct temperature sensor2 x UB47- Universal Insulated Terminal2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven3 x MTS10- extractor fan 3 step switch2 x CBP-18/18-RC Belt Driven Centrifugal Fans2 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x Mini Diffuser - 100mm3 x CPTA-E Flush mounted PIR sensor with timer1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.2 x Electrostatic Precipitator - 1H x 3W1 x Capacitor 2uf for use with the EBM A4E range3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Speed Controller - REB31 x Elta Variable Speed Drive IP66 - 4.0KW2 x Elta Variable Speed Drive IP66 - 5.5KW1 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x Lo-Carbon Silhouette 100T (Timer)1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x ELM 18 EX Flexible Cuff for ERM 181 x Round ceiling diffuser 400mm2 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Silentub - STUB 2001 x DDMP 07/07 Mounting Flange3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x RSK355 - Back Draught Shutter1 x Speed controller with Reverse - REB-1R1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta Variable Speed Drive IP66 - 7.5KW1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x ACO3TO-ADS-VFC-7.1A1 x Helios RR-250-C Centrifugal inline fan1 x VEKA INT 2000/15.0-L1 EKO1 x Speed Controller - REB61 x VTR 500 STD Filter Kit1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x TUNE-R-315-3-M4 - Control Damper1 x TUNE-R-200-3-M2 - Control Damper1 x DDMP 10-08 3F 2210W M6A4 DG01 x CBT-80N Centrifugal1 x KBA- Inlet Mounting 2251 x CSB-60 Centrifugal fan1 x Single Deflection Grille 400mm with OBD damper1 x CCpro 40 (1CC9402) Long Casing Extension1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Round ceiling diffuser 200mm1 x Flakt Woods ME 1.3 speed controller 3amp - EA9011581 x Elta 3 Amp Electronic single phase speed controller with TK1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Comefri - TLZ 450 R - High Performance Scroll Fan2 x MWS 5 – Transformer Controller With Motor Protection Unit1 x TEM 075 - 5 Speed Transformer Speed Control2 x Vortice Quadro Micro 100 I - Standard Version1 x ENV 100 12v transformer SELV1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Control switch - CR150
Reviews
Airvent Ceiling Sweep Fan - 36 inch - 444122
Airvent Ceiling Sweep Fan - 36 inch - 444122
£ 59.84

Fitted 2 Of These Excellent Fans in a Community Club to shif...