Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 products)
VKS 355-500 Automatic shutter
£ 85.00
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
Flanged Damper 019-0250-STD
£ 396.97
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...
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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...
Displaying 1 to 13 (of 13 products)
1 x 125mm - 150mm Round Reducer1 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x 204x60mm 90 Degree Horizontal Bend1 x Elta Wall Cowl SWC45/501 x Belt Drive Cased Axial Fan - 800mm - H version1 x PRIO 400 EC, Axial circular duct fan - EC motor1 x Ziehl GR40I-ZID.DC.CR plug fan1 x Ducting 90 Degree Bend - 710mm1 x Inclined Curb support BI-3 for TH-5001 x Ducting 45 Degree Bend - 560mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x JAA-560 Acoustic Upstand1 x Ducting T Piece Equal - 710mm1 x Multiflow SMB550/4-1AC1 x External weather louvre 500w x 500h - WL501 x Duct Split Rings (Pair) -560mm1 x Ducting 15 Degree Bend - 560mm1 x Soler & Palau TCBT/4-800/L - IP651 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x 204x60mm Rectangular to 100mm Round Adaptor1 x Shoed T Piece Equal - 560mm1 x Helios GigaBox 400mm GBD 400/4/4 centrifugal1 x 125mm Wall Duct - 350mm1 x 125mm Round Connector with Damper1 x Purlin Box 1000 for RAW Cowls1 x Spiral Ducting 3 Meters - 500mm1 x Synthetic Air Filter Media - 10mm x 2mtr x 20mtr Roll1 x Elta SLC1000/4B-3AC - IP551 x Anti Vibration Duct Suspension Rings - 300mm1 x Flanged Spigot - 180mm1 x HRSB/6-710/24-BZ1 x CBS-60 Outlet Flange for CSB/CBT-601 x Male Ducting Connector - 300mm1 x Economy Airvent 100mm Fan with Timer & Shutter1 x Classic SAX23/9A Window/Wall Mounted1 x CBM 10/10 4 Pole 550watt RE VR (3 Phase)1 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 315mm1 x CBA-130 Inlet Flange for CBT-1301 x LINEO 315 QUIET1 x CBMT/Q 150-15 1 HEATER KIT1 x Same Day Shipping Surcharge1 x CBMT/Q 100-06 1 HEATER KIT1 x Ducting 90 Degree Bend - 300mm1 x DV-ROF-V-315 Roof mounted unit1 x Gorilla HVLSX401 x Elta Cased Axial Flange - 1000mm1 x AL 1000 D4 02 - High Performance Long Cased Axial Fan1 x Synthetic Air Filter Media - 15mm x 1000mm x 1000mm1 x Duct Fast Clamps - 125mm1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x AKOR T3/7 Spare Motor1 x Spiral Ducting Additional Courier Surcharge1 x Ducting Reducers Long - 300mm-250mm1 x Cased Axial Fan Extension - 400mm dia1 x Elta Unpodded Silencer 1D-560mm1 x GENIOX 11 Internal Mounted Unit1 x Duct Split Rings (Pair) -500mm1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT350/4-3AC1 x SEL355/4-1AC1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Ducting 60 Degree Bend - 500mm1 x Spiral end cap - 500mm1 x Elta SLC1000/8-3AC - IP551 x Classic SAX30/12AR Window/Wall Mounted1 x F7/G4 filter kit for IDEO HR unit
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