Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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
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...
Flanged Damper 019-0560-STD
Flanged Damper 019-0560-STD
£ 602.00
Flanged Damper 019-0560-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...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
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 17 (of 17 products)
3 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Helios HQW-200/2 - IP552 x Helios HQW-250/4 - IP551 x Helios HQW-315/4 - IP553 x SG-200 Fan Guard for the HQW 2001 x CBM 12-12 1100w 6P Three Phase3 x Duct Termination with Mesh - 355mm1 x AIRVENT speed control - AIR4019611 x Elta Variable Speed Drive IP66 - 0.75KW1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MTS10- extractor fan 3 step switch1 x Multiflow SMB550/4-1AC2 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x Silentub - STUB 1002 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Speed Controller - REB1-N1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x ACO8AC/EC AutoChangeover panel1 x REB-CVF 0-10v Controller2 x MTP 10, 10K, Speed control1 x VEKA INT 2000/15.0-L1 EKO1 x Elta 6 Amp Electronic single phase speed controller.1 x Helios RR-250-C Centrifugal inline fan2 x EBM-Papst D3G133-BF05-14 Double inlet1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Helios HQW-355/4 - IP551 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta SCP400/4-1AC - IP551 x Vent Axia Silent 100T (TIMER)1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x TD Mixvent 800/200 EEXEIIT32 x 100mm Round Connector with Damper1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Flat Roof Terminal -OFT 5 - Asphalt1 x Speed Controller - REB11 x VTR 300 STD Filter Kit1 x DDMP 12-12 3F 1810W M6A4 DG02 x PIR Sensor - PIR22 x CBM 7/7 147w 4P RE-VR2 x Speed Controller - REB2.5-N1 x Silent 100 Window Kit - windowS1 x FRQ5-10A Inverter Speed controller1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Compact SCD450/4-1AC2 x SPI-100 C Iris damper1 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer Speed Control - RTRE- 5.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Potentiometer EGH 01 - for DDMP Fans1 x DPD 12PM Delivery Surcharge1 x ELM 18 EX Flexible Cuff for ERM 181 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x ELTA - Three Phase Transformer 3amps2 x 125mm Round Connector with Damper1 x CBT-100N Centrifugal1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Elta 2 Amp Electronic single phase speed controller.1 x VA 9/2 T - High Temp Axial Fan,1 x ELTA - Single Phase Transformer 2amps1 x Contactor Interface Station - CI91 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Speed Controller - REB161 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Speed Controller - REB81 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Three Phase1 x Duct Termination with Mesh - 450mm1 x RDS 1 Helios Transformer Controller With Motor Protection1 x 110 x 54mm Round to Rectangular Adaptor - Long1 x UB47- Universal Insulated Terminal1 x SAVE VSR 300 heat recovery unit1 x PIR Sensor - PIR41 x MWS 5 – Transformer Controller With Motor Protection Unit1 x Round ceiling diffuser 250mm1 x DDMP 07/07 Mounting Flange1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x DDMP 10-10 1F 1000W M6A2 DA51 x CO2 Room Sensor - CO2-R1 x CBS-100 Outlet Flange for CBT-1001 x CBT-130N Centrifugal1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Electrostatic Precipitator - 1H x 3W1 x Elta SLC560/4C-3AC - IP551 x DDMP 12-12 3F 5700W M6M0 DG71 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Chaysol Da 15/11 CMAL - 2200W 6 Pole - Closed Motor - Three Phase1 x Elta - Room Sensor - Temp/Humid/C021 x Purlin Box 800 for RAW Cowls1 x RDH Flange - 03151 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x MWS 3 – Transformer Controller With Motor Protection1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Flanged Damper 019-0560-STD1 x Transformer 5 Speed Controller - ATC1-8TK2 x Two Speed Switch - REGUL-21 x Silent 300 CZ Design PLUS Extractor Fan1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x MWS-75 Transformer controller with TK -7.5A1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x DA9/9-NT1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR1 x RUCK MTP 20, 10K, Speed control1 x RDH Flange - 02501 x Control switch - CR1501 x HXP450/6-1 - 6 Pole - Single Phase1 x DDMP 10-08 3F 2210W M6A4 DG0
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...