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 CBM 12-12 1100w 6P Three Phase1 x EBB-175 T DESIGN Centrifugal Extractor Fan1 x DA9/7 Feet1 x Decor 300-CRZ Bathroom Fan1 x NKS-D swirl diffuser v-300 x 300mm1 x Singleflow SSDL250-1EC1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Soler & Palau TCBT/4-560/H - IP651 x Soler & Palau TCBT/4-710/L - IP651 x Elta SPA630/68-3AC - IP541 x Ziehl GR40I-ZID.DC.CR plug fan1 x 204x60mm Rectangular to 100mm Round Adaptor1 x FSD-TD 225mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x CBMT/Q 200-30 1 HEATER KIT1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x GB-WSG 355 External Weather Louvers for the Giga-Box Fans - 355mm1 x ES9G Window Fan Systemair1 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x Binks Bullows - Spray Booth Filter1 x DA7/9 Feet1 x CBM 10/8 6P 245W RE VR1 x Kitchen Grille with Grease Filter - 300x300 - NO GRILLE BOX1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x TCDH-EXD Atex roof mounted Series1 x CBT-80N Centrifugal1 x CBP-DC 18/181 x Multiflow SEL400/4-1AC1 x HCFB/4-630mm plastic impeller plate fan1 x Acoustic MiniBox Fan - MINI-BOX 1001 x *VORT HRW 30 MONO Evo HCS - Single Room Heat Recovery Unit,1 x PRIO-160 160mm Inline Mixvent Fan1 x Acoustic Box Fans (Inline) - CAB-315 RE1 x MEV 160 & 300 FT (FastTrack) Additional Spigots1 x Soler & Palau - HCBT/4-800/L-AX - IP551 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT630/4-3AC1 x Soler & Palau TCBT/6-710/H - IP651 x Impeller Side Guard - 250mm1 x AL 355 Mounting Feet (Pair)1 x HRT/6-630/35-BZ E111 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x Flat Roof Terminal -OFT 1 - Felt & Asphalt 110mm1 x Ducting 90 Degree Bend - 560mm1 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x HCGT/2-315/L-AMXN E7201 x 204x60mm x 1m Low Profile Plastic Ducting - 1 Meter1 x Metal Inline Fan - VENT-100NK1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x Elta SPA630/46-3AC - IP541 x MFA-AR/AXC 315 mounting foot1 x ELTA - Single Phase Transformer 16amps1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Duct Termination with Mesh - 100mm1 x HCFT/4-450mm plastic impeller plate fan1 x Gorilla HVLSX40S1 x Round ceiling diffuser 250mm1 x Impeller Side Guard - 710mm1 x HRST/6-800/28-AQ C21 x Round ceiling diffuser 400mm1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Soler & Palau - Contra Rotating TCBTx2-560 - IP651 x Push Timer Switch - ZA41 x DT-1 Duct Mounted Thermostat1 x KD 315 L1 - High Performance Duct Fan1 x Duct Fast Clamps - 125mm1 x Three Phase ATEX Compact axial fan - 315mm - compactATEC41 x Duct Suspension Rings - 180mm1 x Centrif Duo Plus - Timer1 x Hydor HPA450/6-1A1 x HRB/6-560-35-APN-C1 x 220x90mm Elbow Bend with 125mm Fixed Spigot1 x Etaline Max-Fan - 315mm - E2 011 x Elta 2 Amp Electronic single phase speed controller.1 x HRT/6-800/28-BZN-68C1 x Balance S Diffuser - NO RING - 100mm1 x 1mtr Round Ducting - 125mm1 x 220x90mm Mounting Clip (Individual)1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x Etaline 250mm1 x Woods 31JMV14/2/6/33 - Long Cased Axial Fan 315mm1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x JETLINE-160 - In Line Centrifugal Duct Fan1 x DV-ROF-V-225 Roof mounted unit1 x CS2 Current Switch1 x HRT/4-630/25-APN C21 x Elta SPA315/4-1AC - IP441 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x PRIO-160 EC 160mm Inline Mixvent Fan1 x CBMT/Q 315-30 1 HEATER KIT1 x 100mm Round Connector
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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 ...