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)
2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Helios HQW-200/4 - IP551 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Speed Controller - REB54 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Airvent ceiling fan controller2 x Elta Variable Speed Drive IP66 - 0.75KW3 x REB-CVF 0-10v Controller2 x TG-R room temperature sensor1 x EC6H - Reversible Group Fan Electronic Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x SG-200 Fan Guard for the HQW 2001 x Remote Timer Control - 13512 x Transformer (silent) speed controller - RE 3.0 Amp1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Electronic extractor fan speed controller - FSC 1.51 x Isolator Switch - EFF-ISO2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Elta Variable Speed Drive IP66 - 2.2KW3 x Speed Controller - REB101 x Vent Axia T-Series Controller2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x TUNE-R-200-3-M1 - Control Damper5 x MTP 10, 10K, Speed control2 x Transformer Speed Control - RTRE- 12.0Amp2 x Silent 100 Window Kit - windowS4 x Helios HQW-315/4 - IP553 x Speed Controller - REB1-N1 x Elta Wall Cowl SWC56/634 x Vent Axia Silent 100T (TIMER)2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x Helios HQW-250/4 - IP551 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm4 x PIR Sensor - PIR21 x TD Mixvent 800/200 EEXEIIT32 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Two Speed Switch - REGUL-21 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x RDH FLEX-SQUARE - ADH/RDH 04501 x Transformer (silent) speed controller - RE 5.0 Amp3 x DDMP 10-08 3F 2210W M6A4 DG02 x QPTW 250C Acoustic Twin Fan with Controller1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer speed controller - ATC1 - 1.5 Amps1 x ELM 18 EX Flexible Cuff for ERM 183 x UB47- Universal Insulated Terminal2 x Helios TSW 1.5 Amp Transformer speed controller1 x Elta Wall Cowl SWC25/312 x RDS 11 Helios Transformer Controller With Motor Protection2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x EBM-Papst D4E225-BC01-17 Double inlet1 x CBM 9-9 550w 4P VR (Open Motor)3 x PIR Sensor - PIR41 x Elta Wall Cowl SWC35/404 x Elta 6 Amp Electronic single phase speed controller.1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x Transformer Speed Control - RTRE- 7.0Amp3 x Compact SCD450/4-1AC2 x Elta - Room Sensor - Temp/Humid/C023 x MTS10- extractor fan 3 step switch1 x Speed controller with Reverse - REB-1R1 x Transformer 5 Speed Controller - ATC1-2TK1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan3 x Transformer Speed Control - RTRE- 1.5Amp1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBA-60 Inlet Flange for CBT-601 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x REE-2 Electronic Speed Controller1 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Jet Cowl - 315mm2 x TG-K Duct temperature sensor2 x Mini Diffuser - 100mm1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Duct Termination with Mesh - 355mm2 x Helios RR-250-C Centrifugal inline fan3 x Speed Controller - REB12 x Elta 10 Amp Electronic single phase speed controller.1 x FRQ5-10A Inverter Speed controller1 x 7 Day Programmable TIMECLOCK1 x Elta Variable Speed Drive IP66 - 1.5KW2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x CBT-100N Centrifugal1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x ACO8AC/EC AutoChangeover panel1 x Vent Axia ACM 125 inline mixed flow duct fan1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Vent Axia ACM 100 inline mixed flow duct fan
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Airvent Ceiling Sweep Fan - 36 inch - 444122
£ 59.84
Fitted 2 Of These Excellent Fans in a Community Club to shif...