Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 17 (of 17 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...
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...
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 17 (of 17 products)
1 x Speed Controller - REB101 x Transformer Speed Control - RTRE- 7.0Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 1.5Amp2 x CBM 9-9 550w 4P VR (Open Motor)1 x Speed Controller - REB53 x Elta Variable Speed Drive IP66 - 0.75KW4 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Isolator Switch - EFF-ISO2 x TG-R room temperature sensor2 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Helios HQW-315/4 - IP552 x Multiflow SMB550/4-1AC1 x CBA-60 Inlet Flange for CBT-605 x MTP 10, 10K, Speed control1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta Wall Cowl SWC56/632 x SG-200 Fan Guard for the HQW 2002 x REB-CVF 0-10v Controller1 x TUNE-R-200-3-M1 - Control Damper1 x MWS 1.5 – Transformer Controller With Motor Protection3 x MTS10- extractor fan 3 step switch2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Speed Controller - REB82 x Elta 6 Amp Electronic single phase speed controller.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x EBM-Papst D4E225-BC01-17 Double inlet4 x Elta Variable Speed Drive IP66 - 2.2KW1 x Speed Controller - REB1-N1 x Vent Axia Silent 100T (TIMER)1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/403 x QPTW 250C Acoustic Twin Fan with Controller1 x DEF-CBM-RE-7 - Protection Guard1 x RDH FLEX-SQUARE - ADH/RDH 04501 x Elta Louvre Shutter - 400mm1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/312 x RDS 11 Helios Transformer Controller With Motor Protection2 x Helios HQW-250/4 - IP553 x Speed Controller - REB12 x DDMP 12-12 3F 1810W M6A4 DG01 x Transformer (silent) speed controller - RE 5.0 Amp1 x Silentub - STUB 1001 x Silent 100 Window Kit - windowS1 x ELM 18 EX Flexible Cuff for ERM 184 x PIR Sensor - PIR22 x Compact SCD450/4-1AC2 x Transformer Speed Control - RTRE- 5.0Amp1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Speed controller with Reverse - REB-1R1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Speed Controller - REB161 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x EBM-Papst D3G133-BF05-14 Double inlet1 x DDMP 10-08 3F 2210W M6A4 DG02 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x VTR 300 STD Filter Kit2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x UB47- Universal Insulated Terminal1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios RR-250-C Centrifugal inline fan1 x GXC6EC - High Performance Extract Fan3 x PIR Sensor - PIR41 x Jet Cowl - 315mm2 x TG-K Duct temperature sensor1 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x Speed Controller - REB2.5-N2 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Helios TSW 1.5 Amp Transformer speed controller2 x SPI-100 C Iris damper1 x ERR 20/1 Centrifugal inline fan2 x Electrostatic Precipitator - 1H x 3W2 x ENV 100 12v transformer SELV1 x FRQ5-10A Inverter Speed controller1 x DA9/9-NT1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBT-100N Centrifugal2 x CBA-100 Inlet Flange for CBT-1001 x Vertical Cowl and Fan (Single Phase) - RAV400-4-12 x CBS-100 Outlet Flange for CBT-1001 x Contactor Interface Station - CI91 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Elta SCP400/4-1AC - IP551 x DDMP 10-10 1F 1000W M6A2 DA51 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x Transformer 5 Speed Controller - ATC1-4TK2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x DS-2 2-Speed Switch (3 Phase)1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B
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Reviews
EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...