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 TG-K3/NTC10-01 - Duct temperature sensor2 x Helios HQW-200/4 - IP552 x Transformer (silent) speed controller - RE 3.0 Amp1 x MWS 1.5 – Transformer Controller With Motor Protection5 x Electronic extractor fan speed controller - FSC 1.51 x Airvent ceiling fan controller2 x Remote Timer Control - 13512 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x WS - Reversing Switch from Helios Fans2 x Multiflow SMB550/4-1AC2 x CBS-60 Outlet Flange for CSB/CBT-601 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x TG-R room temperature sensor2 x Elta Variable Speed Drive IP66 - 0.75KW2 x Transformer (silent) speed controller - RE 1.5 Amp2 x SG-200 Fan Guard for the HQW 2001 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Elta Wall Cowl SWC56/633 x MTP 10, 10K, Speed control2 x Speed Controller - REB54 x Speed Controller - REB1-N2 x Helios HQW-315/4 - IP551 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/403 x Vent Axia Silent 100T (TIMER)2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Helios HQW-250/4 - IP551 x Elta Wall Cowl SWC25/312 x Vent Axia ACM 200 inline mixed flow duct fan1 x Elta Wall Cowl SWC45/503 x QPTW 250C Acoustic Twin Fan with Controller5 x PIR Sensor - PIR21 x REB-CVF 0-10v Controller2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x RDH FLEX-SQUARE - ADH/RDH 04502 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Elta 6 Amp Electronic single phase speed controller.3 x UB47- Universal Insulated Terminal2 x Transformer Speed Control - RTRE- 1.5Amp3 x Transformer 5 Speed Controller - ATC1-4TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Compact SCD450/4-1AC1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Transformer Speed Control - RTRE- 7.0Amp4 x PIR Sensor - PIR41 x Silent 100 Window Kit - windowS3 x Speed Controller - REB12 x Transformer 5 Speed Controller - ATC1-2TK2 x ENV 100 12v transformer SELV2 x CBT-100N Centrifugal1 x Elta - Room Sensor - Temp/Humid/C021 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x CBA-60 Inlet Flange for CBT-602 x Helios RR-250-C Centrifugal inline fan2 x TG-K Duct temperature sensor3 x VTR 300 STD Filter Kit2 x DDMP 10-08 3F 2210W M6A4 DG02 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x MTS10- extractor fan 3 step switch1 x ACO8AC/EC AutoChangeover panel1 x Speed Controller - REB31 x CBA-100 Inlet Flange for CBT-1001 x EBM-Papst D4E225-BC01-17 Double inlet1 x Mini Diffuser - 100mm2 x Speed controller with Reverse - REB-1R2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x CSB-60 Centrifugal fan1 x Comefri - TLZ 450 R - High Performance Scroll Fan3 x SAVE VSR 300 heat recovery unit1 x Helios TSW 1.5 Amp Transformer speed controller1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x CFI In-line 425 - Carbon Filter1 x Transformer 5 Speed Controller - ATC1-10TK2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x CBM 9-9 550w 4P VR (Open Motor)1 x SPI-100 C Iris damper1 x Helios TSW 7.5 Amp Transformer speed controller2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Remote controller FLEX - for VEKO INT1 x RDS 1 Helios Transformer Controller With Motor Protection1 x Temperature Fan Speed Controller - ATCP4-WMS1 x 100mm Round Connector with Damper1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x TD Mixvent 800/200 EEXEIIT31 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x TecFire Intumescent Damper - Rectangular 400x400mm1 x Isolator Switch - ISOSW1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Helios HQW-630/4 - IP551 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Elta Variable Speed Drive IP66 - 1.5KW1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x VEKA INT 2000/15.0-L1 EKO1 x SDD-U Anti Vibration Pads1 x Duct Termination with Mesh - 450mm1 x CBB-60N Centrifugal1 x Duct Termination with Mesh - 100mm1 x GXC6EC - High Performance Extract Fan1 x CK-60F Kit1 x Elta SCP400/4-1AC - IP551 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x CBB-80N Centrifugal1 x CBT-100N Centrifugal ATEX II 2G Exe II T31 x Run On Timer - 5s - 4hrs - RT5A1 x Duct Termination with Mesh - 250mm1 x ELTA - Single Phase Transformer 2amps1 x HXP450/6-1 - 6 Pole - Single Phase1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x Helios HQW-355/4 - IP551 x DDMP 07/07 Mounting Flange1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...