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...
.jpg "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
£ 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)
2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer (silent) speed controller - RE 1.5 Amp1 x Remote Timer Control - 13512 x Speed Controller - REB51 x REB-CVF 0-10v Controller2 x Vent Axia Silent 100T (TIMER)3 x PIR Sensor - PIR22 x Speed Controller - REB1-N2 x Silent 100 Window Kit - windowS1 x QPTW 250C Acoustic Twin Fan with Controller2 x Transformer Speed Control - RTRE- 1.5Amp3 x TD Mixvent 800/200 EEXEIIT32 x CBA-60 Inlet Flange for CBT-604 x MTS10- extractor fan 3 step switch3 x PIR Sensor - PIR41 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x UB47- Universal Insulated Terminal1 x Speed Controller - REB11 x WS - Reversing Switch from Helios Fans1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Helios TSW 1.5 Amp Transformer speed controller2 x RDH FLEX-SQUARE - ADH/RDH 04501 x EBM-Papst D4E225-BC01-17 Double inlet3 x Mini Diffuser - 100mm1 x Transformer 5 Speed Controller - ATC1-4TK2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Compact SCD450/4-1AC1 x ELM 18 EX Flexible Cuff for ERM 181 x VTR 300 STD Filter Kit1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x DDMP 12-12 3F 1810W M6A4 DG01 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Speed Controller - REB81 x Single Deflection Grille 400mm with OBD damper1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x CS2 Current Switch2 x Helios HQW-315/4 - IP552 x SPI-100 C Iris damper1 x GXC6EC - High Performance Extract Fan2 x AIRVENT speed control - AIR4019612 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x SAVE VSR 300 heat recovery unit2 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x Remote controller FLEX - for VEKO INT2 x Helios TSW 7.5 Amp Transformer speed controller2 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x CBM 9-9 550w 4P VR (Open Motor)1 x DDMP 10-08 3F 2210W M6A4 DG02 x ENV 100 12v transformer SELV2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven2 x ACO8AC/EC AutoChangeover panel2 x Transformer 5 Speed Controller - ATC1-2TK1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost3 x Helios RR-250-C Centrifugal inline fan2 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x CBT-100N Centrifugal1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x AXC TP - 150mm Plastic Centrifugal Inline Fan2 x Flat Roof Terminal -OFT 5 - Asphalt2 x 100mm Round Connector with Damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x ERR 20/1 Centrifugal inline fan1 x EBM-Papst D3G133-BF05-14 Double inlet1 x CO2 Room Sensor - CO2-R1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Speed Controller - REB101 x Transformer Speed Control - RTRE- 7.0Amp1 x RDS 1 Helios Transformer Controller With Motor Protection2 x Speed Controller - REB2.5-N2 x Elta 6 Amp Electronic single phase speed controller with TK1 x DEF-CBM-RE-7 - Protection Guard1 x Helios HQW-200/4 - IP551 x SG-200 Fan Guard for the HQW 2001 x Silent 300 CZ Design PLUS Extractor Fan1 x Helios HQW-250/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x VEKA INT 2000/15.0-L1 EKO2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-8TK1 x 7 Day Programmable TIMECLOCK2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Transformer speed controller - ATC1 - 1.5 Amps1 x CBM 12-12 1100w 6P Three Phase1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x FRQ5-10A Inverter Speed controller2 x Speed Controller - REB161 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Electronic extractor fan speed controller - FSC 1.51 x Speed Controller - REB61 x TUNE-R-200-3-M4 - Control Damper1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Elta Variable Speed Drive IP66 - 4.0KW1 x CSB-60 Centrifugal fan1 x Elta Variable Speed Drive IP66 - 5.5KW1 x ERR 31/1 Centrifugal inline fan1 x Helios TSW 3 Amp Transformer speed controller
Best sellers
