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 MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans3 x Transformer (silent) speed controller - RE 1.5 Amp2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Helios HQW-200/4 - IP551 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Remote Timer Control - 13512 x Speed Controller - REB52 x Multiflow SMB550/4-1AC1 x Helios HQW-315/4 - IP551 x Electronic extractor fan speed controller - FSC 1.51 x SG-200 Fan Guard for the HQW 2001 x CBS-60 Outlet Flange for CSB/CBT-602 x REB-CVF 0-10v Controller1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Helios HQW-250/4 - IP551 x Vent Axia ACM 200 inline mixed flow duct fan1 x MTP 10, 10K, Speed control1 x TD Mixvent 800/200 EEXEIIT31 x Transformer Speed Control - RTRE- 1.5Amp2 x Speed Controller - REB1-N2 x MTS10- extractor fan 3 step switch2 x Vent Axia Silent 100T (TIMER)2 x QPTW 250C Acoustic Twin Fan with Controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Elta 6 Amp Electronic single phase speed controller.1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Silent 100 Window Kit - windowS1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller2 x CBM 9-9 550w 4P VR (Open Motor)1 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Systemair Save Connect 2.0 Internet Module1 x Transformer 5 Speed Controller - ATC1-2TK1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x RDH FLEX-SQUARE - ADH/RDH 04502 x CBA-60 Inlet Flange for CBT-601 x Compact SCD450/4-1AC1 x UB47- Universal Insulated Terminal1 x SAVE VSR 300 heat recovery unit1 x TG-K3/NTC10-01 - Duct temperature sensor1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Airvent ceiling fan controller2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x DDMP 12-12 3F 1810W M6A4 DG01 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Helios HQW-200/2 - IP551 x ELM 18 EX Flexible Cuff for ERM 181 x Speed Controller - REB11 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Speed Controller - REB81 x Helios HQW-630/4 - IP551 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Isolator Switch - ISOSW1 x ENV 100 12v transformer SELV1 x Contactor Interface Station - CI92 x Transformer Speed Control - RTRE- 7.0Amp1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Speed Controller - REB101 x Helios RR-250-C Centrifugal inline fan1 x 7 Day Programmable TIMECLOCK2 x Duct Termination with Mesh - 355mm1 x Electrostatic Precipitator - 1H x 3W1 x CO2 Room Sensor - CO2-R1 x VEKA INT 2000/15.0-L1 EKO1 x ACO8AC/EC AutoChangeover panel1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x CBT-100N Centrifugal1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Speed Controller - REB61 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)
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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...