Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 17 (of 17 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...
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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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 17 (of 17 products)
1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x 220x90mm Insulated Rectangular Vertical 90° Bend2 x VTR 300 STD Filter Kit1 x CBA-60 Inlet Flange for CBT-603 x UB47- Universal Insulated Terminal1 x Speed Controller - REB1-N1 x QPTW 250C Acoustic Twin Fan with Controller1 x GXC6EC - High Performance Extract Fan2 x Contactor Interface Station - CI93 x Elta - Room Sensor - Temp/Humid/C022 x PIR Sensor - PIR43 x Elta Variable Speed Drive IP66 - 1.5KW1 x Transformer Speed Control - RTRE- 1.5Amp1 x Vent Axia Silent 100T (TIMER)1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x PIR Sensor - PIR21 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Compact SCD450/4-1AC1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x SAVE VSR 300 heat recovery unit1 x Mini Diffuser - 100mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x DDMP 10-08 3F 2210W M6A4 DG01 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3003 x AIRVENT speed control - AIR4019611 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x ENV 100 12v transformer SELV1 x EBM-Papst D3G133-BF05-14 Double inlet2 x Speed Controller - REB11 x VEKA INT 2000/15.0-L1 EKO2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x TG-K Duct temperature sensor1 x ACO8AC/EC AutoChangeover panel1 x TUNE-R-200-3-M4 - Control Damper1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x CBT-100N Centrifugal1 x Helios RR-250-C Centrifugal inline fan1 x Remote Timer Control - 13512 x Electrostatic Precipitator - 1H x 3W1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR2 x CBA-100 Inlet Flange for CBT-1001 x RUCK MTP 20, 10K, Speed control2 x SPI-100 C Iris damper2 x Comefri - TLZ 450 R - High Performance Scroll Fan2 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x CPTA-E Flush mounted PIR sensor with timer1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Single Deflection Grille 400mm with OBD damper1 x Singleflow SSDL315-1EC1 x Speed controller with Reverse - REB-1R1 x Silent 300 CZ Design PLUS Extractor Fan2 x Elta Variable Speed Drive IP66 - 5.5KW1 x Speed Controller - REB51 x Round ceiling diffuser 200mm1 x CO2 Room Sensor - CO2-R1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x ACO3TO-ADS-VFC-7.1A1 x CSB-60 Centrifugal fan1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Silent 100 Window Kit - windowS1 x Speed Controller - REB31 x Transformer (silent) speed controller - RE 5.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta Variable Speed Drive IP66 - 4.0KW3 x VTR 500 STD Filter Kit1 x EC Trickle and boost module - IP561 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Speed Controller - REB61 x MTP 10, 10K, Speed control1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x Potentiometer EGH 01 - for DDMP Fans1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Round ceiling diffuser 250mm1 x DDMP 07/07 Mounting Flange1 x ELTA - Three Phase Transformer 3amps1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x SD-MUB Vibration pad set2 x TEM 075 - 5 Speed Transformer Speed Control2 x Vortice Quadro Micro 100 I - Standard Version1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm1 x EHB 160 1.0kw - Helios Electric Heater Battery with Control and Sensor.1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan2 x MWS 5 – Transformer Controller With Motor Protection Unit1 x Transformer 5 Speed Controller - ATC1-4TK
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...