Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 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
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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...
Displaying 1 to 13 (of 13 products)
1 x 100mm Round Condensation Trap1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-H1 x Elta SLC450/2A-3AC - IP551 x Spiral Ducting 1 meter - 200mm1 x Belt Drive Cased Axial Fan - 450mm - L version1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HWAS1 x B-flow Impeller HCBB/T-560mm1 x Helios VARW 450/4 - TK1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-3000/315 ND - Pack 11 x Belt Drive Cased Axial Fan - 800mm - L version1 x 1mtr Round Ducting - 150mm1 x 150mm - 100mm Round Reducer1 x Elta Unpodded Silencer Melinex 2D-1000mm Dia1 x Elta Unpodded Silencer Melinex 1D-450mm1 x Elta Unpodded Silencer Melinex 2D-450mm1 x FSAF355B1DX Silencer 395/81 x Elta Unpodded Silencer Melinex 2D-560mm1 x Elta Podded Silencer 1D- 710mm1 x LINEO 315 QUIET1 x *NEW* TD EVO-200 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x ES9G Window Fan Systemair1 x Classic SAX23/9A Window/Wall Mounted1 x Transformer (silent) speed controller - RE 7.0 Amp1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Soler & Palau TCBB/6-630/L - IP651 x Frequency converter RUCK - FU 075 201 x Soler & Palau TCBT/4-315/H - IP441 x KRJ - 225 Inlet Guard1 x CS2 Current Switch1 x MPC 450 E4 20 - High Temp Acoustic Box Fan1 x HRT/4-315-BPN1 x ILTM-500/560/630 - Motor Cover for ILHT Fans - 51337593001 x SG AW 1000 Guard 6-Pole1 x FU 22 25 Frequency Inverter1 x Soler & Palau TCBB/4-630/L - IP651 x ELTA - Three Phase Transformer 10amps1 x Soler & Palau - HCBT/4-250/H - IP651 x Hydor HPA250/2-11 x 110 x 54mm Elbow Bend Male1 x DEF-1000-AN1 x Soler & Palau - HCBB/2-315/H - IP651 x Elta Variable Speed Drive IP66 - 5.5KW1 x HCFT/4-250mm plastic impeller plate fan1 x Multiflow SEL400/4-1AC1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x GB-WSD 450 Weather Protection hood for the Giga-Box Fans - 450mm1 x Ancillary Pack for SDA350/4-1EC1 x PIR Sensor - PIR21 x Jetflow-HIT Metal inline - 125mm1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x SPI-200 C Iris damper1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x HD Series Control Damper - 2000mm X 1000mm1 x HCF - Ceiling Fan 900mm (36 inch)1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-12000/560 ND - Pack 51 x Dynair QCL 200mm (2-Pole)1 x Dynair QCM 454 T - 3 phase1 x 100mm Round Connector with Damper1 x Belt Drive Cased Axial Fan - 500mm - H version1 x BDS 350 RA b/d shutter1 x Soler & Palau - HXTR/4-560/H - IP541 x 220x90mm 90 Degree Horizontal Bend1 x Elta SCP450/4-3AC - IP551 x BDS 800 RA b/d shutter1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Helios HQW-630/6 - IP551 x HXP450/6-1 - 6 Pole - Single Phase1 x HRB/6-630-30-BPN1 x EZQ 20/2 B - High Performance Plate Axial Fan1 x JETLINE-100 - In Line Centrifugal Duct Fan1 x 220x90mm x 2m Low Profile Plastic Ducting - 2 Meter1 x HRB/4-450-35-BPN1 x Elta SPA630/46-3AC - IP541 x Elta SLC400-1EC -IE5 Motor- IP55
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Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56
I have a loft mount extractor fan which was very noisy. I ...