Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
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 16 (of 16 products)
2 x Duct Termination with Mesh - 100mm1 x Duct Suspension Rings - 125mm4 x Duct Tape - Silver - DTape1 x Duct Mounted Filter Box - G4 Grade Panel - 150mm1 x Duct Tape - Temperature-resistant flexible sealing Duct Tape - 50 Mtr2 x TG-K Duct temperature sensor1 x Digital Room Thermostat - DRT1 x 1mtr Round Ducting - 150mm1 x Elta SCP800/6/8-3AC - IP551 x Elta Standard Ambient Flexible Connector - 630mm2 x Elta Standard Ambient Flexible Connector - 450mm2 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta SLC560/2-3AC - IP551 x Elta SLC630/BA - Fan & Inverter Package1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Three Phase Transformer 10amps1 x KBA- Inlet Mounting 3151 x ASF 355-500 inlet flange DVS1 x Soaker Sheet to suit RA200/2501 x ACO8AC/EC AutoChangeover panel1 x HD Series Control Damper - 3000mm X 1500mm1 x MEV Spider Additional Spigots1 x DA10/8 Feet1 x Soaker Sheet to suit RA630/7101 x KBA- Inlet Mounting 2251 x Duct Quick Suspension Rings with Clasp - 150mm1 x Duct Mounted Filter Box - G4 Grade Panel - 400mm2 x Transformer Speed Control - RTRE- 7.0Amp1 x Duct Fast Clamps - 200mm2 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Duct Termination with Mesh - 150mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 400mm1 x Duct Termination with Mesh - 400mm1 x Duct Termination with Mesh - 500mm1 x Duct Fast Clamps - 250mm2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Duct Termination with Mesh - 355mm1 x Galvanised Banding (12mm W x 10m L)BANDGALV –1 x Dynair AL 200/4 Forward curved blade centrifugal fan.1 x Duct Split Rings (Pair) -560mm1 x G4 duct mounted panel filter - 290 x 290 x 47mm1 x Decor 300-C Bathroom Fan1 x G4 duct mounted panel filter - 296 x 296 x 22mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Duct Tape - High Temperature Resistance 350˚C - DTape3501 x DT-1 Duct Mounted Thermostat1 x DTV200 - Differential Pressure Switch1 x Traditional T-Series Window Fan - TX12WW2 x Duct Termination with Mesh - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 300watt VR RE1 x DA12/12 Feet1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Duct Wrap Insulation - AWDW25mm1 x U42K Screws for duct1 x Duct Termination with Mesh - 250mm3 x Duct Termination with Mesh - 200mm1 x Traditional T-Series Wall Fan - TX12WL2 x GB-WK Wall Bracket For Giga Box Fans - 400-630mm1 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x AL 710 D4 mounting Feet (Pair)1 x Duct Mounted Filter Box With G2 paper AND Metal Washable Filter - 125mm1 x Duct Termination with Mesh - 560mm1 x Duct Fast Clamps - 160mm2 x Duct Quick Suspension Rings with Clasp - 200mm1 x AL 710 D4 01 - High Performance Long Cased Axial Fan1 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 355mm1 x Duct Fast Clamps - 150mm1 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 400mm1 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 250mm2 x TG-K Duct temperature sensor1 x Duct Fast Clamps - 125mm1 x Duct Fast Clamps - 100mm2 x MWS 102 x AW 710E6 Sileo1 x G2 duct mounted panel filter 630mm1 x Hydor HCF-6.0 Electronic Speed Controller for HPA plate fans,1 x Helios ZNE Electronic Fan Overrun Timer1 x SWF-150 Sidewall Mounted Extractor Fan1 x TG-K3/NTC10-01 - Duct temperature sensor1 x OBD 450x450 - for use with 4WAY-5953 x Elta 2 Amp Electronic single phase speed controller.1 x Transformer Speed Control - RTRE- 12.0Amp2 x DA7/7 Feet1 x Elta Unpodded Silencer 2D-500mm1 x ELTA - Single Phase Transformer 10amps1 x Elta Cased Axial Flange - 450mm1 x Elta SCP630/4-1AC - IP552 x ELTA - Single Phase Transformer 12amps1 x Elta Wall Cowl SWC35/401 x Elta SLC500/2A-3AC - IP551 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Wall Cowl SWC45/501 x Elta SLC630/4B-3AC - IP551 x Elta SLC710/4A-3AC - IP551 x Elta SPA400/4-1AC - IP541 x Elta SLC315/4-3AC - IP551 x ELTA - Single Phase Transformer 2amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta SCP400/4-1AC - IP551 x Elta SLC450/4-3AC - IP551 x HCF - Ceiling Fan 900mm (36 inch)1 x Ecor Pro Humidistat - EPHUM24DF1 x Hydor HPA450/4-1A1 x Hydor HPA500/4-1A2 x FSD-TD 400mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM24-TF (SC)1 x Room Thermostat RT 0-301 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Female Ducting Connector - 355mm1 x KV DUO 315 EC1 x ERM180EXE Bracket1 x Run On Timer - 5s - 4hrs - RT5A1 x CBMT/Q 250-54 1 HEATER KIT3 x Anti Vibration Duct Suspension Rings - 200mm1 x Ancillary Pack for SB-CYL 630 model1 x Differential Pressure Switch - 20 - 300 Pa - IP541 x 31 MAXFAN Compac - EJ313266 - 315mm Fan and Inverter Kit 1PH to 3PH1 x IR24-P - Presence detector2 x Airvent ceiling fan controller1 x HEATER BATTERY+CONTROLS 315 DIA 1 PHASE 4/8kW1 x RDS 11 Helios Transformer Controller With Motor Protection1 x CBP-9/7-RC1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Female Ducting Connector - 180mm1 x Ancillary Pack for SLC-4004 x Anti Vibration Mounts - Large - Pack of 4 - AVM11 x Anti Vibration Duct Suspension Rings - 400mm1 x VTR 300 STD Filter Kit1 x JMS-3001 x ILHT-560/MV - Inlet & Outlet Mounting Flange Kit2 x CCpro 40 (1CC9402) Long Casing Extension1 x Traditional T-Series Window Fan - TX12IL1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Ancillary Sealing Band - 150mm1 x Female Ducting Connector - 1000mm1 x Etaline 400mm1 x VTR 500 STD Filter Kit2 x Anti Vibration Duct Suspension Rings - 100mm1 x ACO3TO-ADS-VFC-7.1A1 x VKS 355-500 Automatic shutter2 x Anti Vibration Mounts - Small - Pack of 4 - AVM22 x Anti Vibration Duct Suspension Rings - 315mm1 x HRFD 400/4 Cased Axial Fan 400mm - 3 Phase1 x Electrostatic Precipitator - 1H x 3W1 x Balance S Diffuser - NO RING - 100mm1 x Helios HQW-315/4 - IP552 x CBMF 250-6,0 400V/2 Duct heater1 x Ancillary Pack for SLC-5601 x Anti Vibration Duct Suspension Rings - 125mm1 x Female Ducting Connector - 160mm1 x Ancillary Pack for SLC-5001 x Ancillary Pack for SLC-4501 x Anti Vibration Duct Suspension Rings - 355mm1 x PIR Sensor - PIR41 x JETLINE-250 - In Line Centrifugal Duct Fan1 x Helios ELS-VNC 1001 x MELINEX 200mm Circular Inline Silencers -SLU-9001 x ILTM-500/560/630 - Motor Cover for ILHT Fans - 51337593001 x Metal Inline Fan - VENT-125NK1 x FSAF800B1DA Silencer 860/161 x QPTW 250C Acoustic Twin Fan with Controller1 x Flexible PVC Ducting - 15 Mtr1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x 300mm 316 Grade Stainless Steel 45 Bend2 x TG-R room temperature sensor1 x MELINEX 150mm Circular Inline Silencers -SLU-9001 x Female Ducting Connector - 80mm1 x RDKT40 - 4amp Transformer Speed Control -1 x WS - Reversing Switch from Helios Fans1 x MK 630 MOUNTING FEET (PAIR) for AMD Fans1 x Traditional T-Series Window Fan - TX6IL1 x Ancillary Pack for SLC-710 for 4 pole Motors1 x TX6PL Panel unit1 x Elta SLC800/4A-3AC - IP551 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x EBB-175 S DESIGN Centrifugal Extractor Fan1 x EB-100N T - Centrifugal Fan with Timer1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Decor 300-CRZ Bathroom Fan1 x Bathroom Fan -Envirovent- Silent 100 S (Standard Model)1 x Eco Hand Drier1 x Female Ducting Connector - 200mm1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Flanged Spigot - 250mm2 x BEAS-control module1 x HCFT/4-400mm plastic impeller plate fan1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x BKF 800D6-XL/F400 IE3 - Centrifugal rectangular duct fan 400C/2h1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 1601 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Remote Timer Control - 13511 x Vent Axia ACM 125 inline mixed flow duct fan1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO18B1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x JETLINE-125 - In Line Centrifugal Duct Fan1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase1 x Chaysol da 12-12 CM-AL- 550 Watt1 x Elta SCP315/4-1AC - IP551 x Impeller Side Guard - 350mm1 x EM30-24 Control Panel Commissioning Service1 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 315mm1 x Metal Inline Fan - VENT-200NK1 x Ancillary Pack for SB-Biflow 400 model1 x AxZent 400 D2 High Temp Kitchen exhaust Fan1 x Systemair Save Connect 2.0 Internet Module1 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV1 x EC6H - Reversible Group Fan Electronic Controller1 x Vent Axia T-Series Controller
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Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...