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 CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x BEAS-control module1 x Elta ACO Panel 149-ACO18B2 x Envirovent G4 Filter - SL-G4/F71 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Systemair Save Connect 2.0 Internet Module6 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer (silent) speed controller - RE 1.5 Amp1 x EC-Vent Room Unit3 x EC6H - Reversible Group Fan Electronic Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection4 x Helios HQW-200/4 - IP551 x EM30-24 Control Panel Commissioning Service7 x WS - Reversing Switch from Helios Fans2 x TG-K3/NTC10-01 - Duct temperature sensor4 x Commercial Single or 3 phase Fan Reversing Switch - RS14 x Helios HQW-630/4 - IP551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5005 x Airvent ceiling fan controller3 x Vent Axia T-Series Controller2 x Easy-fix termination kit - High Rise Ventilator - EFT5 x Transformer (silent) speed controller - RE 3.0 Amp2 x Multiflow SMB550/4-1AC2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x SG-200 Fan Guard for the HQW 2003 x PIR Sensor - PIR23 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 125 inline mixed flow duct fan3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x QPTW 250C Acoustic Twin Fan with Controller3 x Elta Variable Speed Drive IP66 - 0.75KW4 x MTP 10, 10K, Speed control5 x Vent Axia Silent 100T (TIMER)3 x Speed Controller - REB53 x Electronic extractor fan speed controller - FSC 1.52 x REE-1 Electronic Speed Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x TG-R room temperature sensor2 x Helios TSW 1.5 Amp Transformer speed controller2 x Remote Timer Control - 13512 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x TUNE-R-200-3-M1 - Control Damper3 x Elta Variable Speed Drive IP66 - 2.2KW3 x Transformer Speed Control - RTRE- 12.0Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x REB-CVF 0-10v Controller1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Speed Controller - REB1-N2 x Vent Axia ACM 200 inline mixed flow duct fan3 x Speed Controller - REB103 x Helios HQW-250/4 - IP551 x Isolator Switch - EFF-ISO1 x Elta Wall Cowl SWC56/631 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x EBM-Papst D4E225-BC01-17 Double inlet2 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT32 x RDH FLEX-SQUARE - ADH/RDH 04502 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x ENV 100 12v transformer SELV1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Transformer (silent) speed controller - RE 5.0 Amp3 x Elta 6 Amp Electronic single phase speed controller.4 x Speed Controller - REB11 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Two Speed Switch - REGUL-22 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan4 x UB47- Universal Insulated Terminal1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x DDMP 12-12 3F 1810W M6A4 DG02 x DDMP 10-08 3F 2210W M6A4 DG02 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x GRA-100 External Grill by S&P1 x TUNE-R-200-3-M4 - Control Damper3 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios HQW-315/4 - IP552 x CBA-60 Inlet Flange for CBT-601 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-2TK1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Helios RR-250-C Centrifugal inline fan2 x CBT-100N Centrifugal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Wall Cowl SWC45/501 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x CFI In-line 425 - Carbon Filter1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan2 x Quietflow Twin SQTDCV250-1ECL3 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Elta Louvre Shutter - 400mm1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Compact SCD450/4-1AC1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x Speed controller with Reverse - REB-1R2 x AXC TP - 150mm Plastic Centrifugal Inline Fan2 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x CBB-60N Centrifugal1 x Jet Cowl - 315mm1 x WSD 100 (1060x1060x70)2 x MTS10- extractor fan 3 step switch1 x Elta - Room Sensor - Temp/Humid/C021 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7103 x Transformer Speed Control - RTRE- 1.5Amp1 x VTR 300 STD Filter Kit1 x Elta HXP 800mm 6-Pole (Three Phase)1 x Elta Variable Speed Drive IP66 - 1.5KW1 x CSB-60 Centrifugal fan1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm2 x Speed Controller - REB81 x DPD 12PM Delivery Surcharge1 x Duct Termination with Mesh - 250mm1 x TUNE-R-200-3-M2 - Control Damper1 x TG-K Duct temperature sensor1 x Duct Termination with Mesh - 450mm1 x TecFire Intumescent Damper - Rectangular 400x400mm1 x Mini Diffuser - 100mm1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan2 x DDMP 12-09 1F 1800W M6A4 DA81 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Silent 100 Window Kit - windowS
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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...