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 HCFB/4-560-H-A1 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x HRT/4-400-BPN1 x Elta SCP250/4-3AC - IP551 x Soler & Palau - HCBB/6-560/H - IP651 x Ancillary Pack for SLC-3151 x Hydor HPA400/6-1A1 x Ancillary Pack for SLC-710 for 6 Pole Motors1 x Ancillary Pack for SB-Biflow 250 model1 x CRBB/4-355/112D PRMI 230v1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Helios - HQD 250/21 x Soler & Palau HXM-250mm1 x ACO8AC/EC AutoChangeover panel1 x Raptor SDA350/4-1EC1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Soler & Palau - HXBR/4-250/H - IP441 x Rotorex HXBR 250mm Plate Axial Fan - Single Phase (2-pole)1 x Delivery Surcharge1 x DV-ROF-V-315 Roof mounted unit1 x Direct Delivery Surcharge1 x Same Day Shipping Surcharge1 x International Shipping Surcharge1 x FedEx TEN AM delivery Surcharge1 x GXC6EC - High Performance Extract Fan1 x Etaline 315mm - D2 01 3 Phase1 x CBA-130 Inlet Flange for CBT-1301 x Cased Axial Fan Extension - 400mm dia1 x Elta SLC315/4-3AC - IP551 x AL 315 D2 01 - High Performance Long Cased Axial Fan (3 phase)1 x Kitchen Extract Grille with Grease Filter - 600 x 100 - NO GRILL BOX1 x Synthetic Air Filter Media - 6mm x 2mtr x 5mtr Roll1 x MV-Silent 250 Bathroom Extractor Fan Kit - Timer1 x MV-Silent 250 Bathroom Extractor Fan Kit - Standard - No Timer1 x Soler & Palau - HCBT/6-900/H - IP551 x Elta Standard Ambient Flexible Connector - 1000mm1 x Soler & Palau - HCFT/4-1000/H-X - IP551 x Elta SPA710/4/6-3AC - IP541 x Elta Standard Ambient Flexible Connector - 1000mm1 x Elta Standard Ambient Flexible Connector - 350mm1 x Acopel F400-200/1601 x HRST/6-710-24 BZ C Rotorex Sickle bladed fan1 x Access Door 400mm x 400mm1 x Etaline 250mm - D2 01 3 Phase1 x AXCBF 315D4-32 Bifurcated Axial Fan1 x KD 250 L1 Circular duct fan1 x EKHR 280-2SW BCMI1 x CBB-80N Centrifugal1 x Blast Gate (Manual) 125mm1 x TD1300 Mixvent - 250mm1 x AXCBF 400D4-32° (0,55 kW)1 x Access Door for Circular Duct - 250 x 150 - SIZE 151 x Access Door for Circular Duct - 400 x 300 - SIZE 401 x Push Timer Switch - ZA41 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Differential Pressure Switch - 100 - 1000 Pa - IP651 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x 150mm Wall Duct - 350mm1 x Soler & Palau TCBB/4-560/H - IP651 x Duct Humidistat - HS3_hdt1 x HRST/6-800/28-BZ-68 (400V50)C1 x Elta SLC560/4B-3AC - IP551 x Elta Variable Speed Drive IP66 - 7.5KW1 x Kitchen Grease Filter - Mesh Type NON standard 390mm x 240mm x 40mm Actual1 x Jetflow-HIT Metal inline - 200mm1 x HV Wall Mounted Belt Drive Fan 800mm 400V / 50Hz 0.75kW - Three Phase1 x Helios GigaBox 560mm GBD 560/4/4 centrifugal1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x Soler & Palau - Contra Rotating TCBTx2-630 - IP651 x EBM Papst W3G630-GG97-011 x Plastic Kitchen Extractors - CK25N1 x CBMT/Q 125-12 1 HEATER KIT1 x CBMT/Q 150-15 1 HEATER KIT1 x Flanged Spigot - 100mm1 x Universal Pipe Fixing Clip1 x Soler & Palau TCBB/4-400/H - IP441 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-1AC - Single Phase1 x 204x60mm x 1000mm Long Hi-Flow Duct Silencer1 x Elta SLC450/4-3AC - IP551 x Elta SLC400/4-3AC - IP551 x Raptor SDA400/4-1AC1 x 220x90mm to 204x60mm Rectangular Adapter1 x CCZ-404 (Single Phase)1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-3AC - Three Phase1 x Elta - HTS450/4-1 - Case Mounted Circulating Axial Fan1 x LCA403218 - Long Cased Axial Fan1 x 125mm Round Wall Plate1 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Raptor SDA450/46-3AC1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x HQS Bathroom Axial Flow Fan - 125mm1 x 110 x 54mm Vertical 90 Degree Bend1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x TechSeal 100FR Duct Sealant Cartridge - 100FRS1 x AW 355 D4-2-EX Explosion Proof Axial Fan - ATEX1 x Elta Raptor SFB ATEX Plate Mounted Axial Fan- 350mm1 x Helios PA10 Speed Potentiometer1 x Soler & Palau - HCBB/6-400/H - IP651 x Helios GigaBox 560mm GBW 560/4 centrifugal1 x Soler & Palau - HXBR/4-400/H - IP541 x FlameProof Plate Axial Fan - Three Phase - 10.5 inches - Eexd IIC T4 - 4 pole1 x AW 420 D4-2-EX Explosion Proof Axial Fan - ATEX1 x Spiral Ducting 3 Meters - 400mm1 x HRB/4-400-APN1 x HRB/6-400-APN1 x REB-CVF 0-10v Controller1 x HCFT/4-450mm plastic impeller plate fan1 x Soler & Palau - HCBT/6-710/H - IP65
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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 ...