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...
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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)
2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-200/2 - IP555 x Transformer (silent) speed controller - RE 3.0 Amp2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Transformer Speed Control - RTRE- 12.0Amp2 x Two Speed Switch - REGUL-21 x Systemair Save Connect 2.0 Internet Module1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x REE-1 Electronic Speed Controller5 x Helios HQW-200/4 - IP551 x WS - Reversing Switch from Helios Fans1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Vent Axia T-Series Controller1 x Transformer 5 Speed Controller - ATC1-12TK2 x EBM-Papst D4E225-BC01-17 Double inlet1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT31 x Speed Controller - REB1-N2 x TG-R room temperature sensor3 x Speed Controller - REB52 x Electronic extractor fan speed controller - FSC 1.52 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x RDH FLEX-SQUARE - ADH/RDH 04501 x Airvent ceiling fan controller3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Multiflow SMB550/4-1AC3 x Elta Variable Speed Drive IP66 - 0.75KW2 x Transformer Speed Control - RTRE- 7.0Amp3 x SG-200 Fan Guard for the HQW 2003 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Speed Controller - REB102 x Vent Axia Silent 100T (TIMER)1 x Remote Timer Control - 13511 x Isolator Switch - EFF-ISO1 x CBA-60 Inlet Flange for CBT-602 x Helios HQW-250/4 - IP551 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EC6H - Reversible Group Fan Electronic Controller2 x DDMP 12-12 3F 1810W M6A4 DG02 x Vent Axia ACM 200 inline mixed flow duct fan1 x Transformer (silent) speed controller - RE 5.0 Amp3 x MTP 10, 10K, Speed control2 x TUNE-R-200-3-M1 - Control Damper2 x Helios HQW-315/4 - IP553 x Speed Controller - REB11 x RDS 7 Helios Transformer Controller With Motor Protection1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x MTS10- extractor fan 3 step switch1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x REB-CVF 0-10v Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Helios TSW 1.5 Amp Transformer speed controller4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x ELM 18 EX Flexible Cuff for ERM 181 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x TUNE-R-200-3-M4 - Control Damper1 x TUNE-R-200-3-M2 - Control Damper1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR4 x QPTW 250C Acoustic Twin Fan with Controller1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Silentub - STUB 1001 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Transformer Speed Control - RTRE- 1.5Amp1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven3 x PIR Sensor - PIR21 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Elta Wall Cowl SWC45/502 x Duct Termination with Mesh - 250mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x ELTA - Three Phase Transformer 3amps1 x UB47- Universal Insulated Terminal2 x DPD 12PM Delivery Surcharge2 x CBB-80N Centrifugal2 x 125mm Round Connector with Damper1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x EMI 150L E2M - Acoustic Inline Mixvent Fan1 x DEF-CBM-RE-7 - Protection Guard1 x Elta 6 Amp Electronic single phase speed controller.1 x TecFire Intumescent Damper - Rectangular 400x400mm1 x VTR 300 STD Filter Kit1 x CBB-60N Centrifugal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x PIR Sensor - PIR41 x Speed Controller - REB81 x DEF-140T Inlet Guard for the CBT-100N1 x TD Mixvent 1100/250 EEXEIIT31 x CBS-130 Outlet Flange for CBT-1302 x CBM 12-12 1100w 6P Three Phase1 x CSB-60 Centrifugal fan1 x Binks Bullows - Spray Booth Filter1 x ACO3/BD Changover Panel (Three Phase)1 x TD ECOWATT 160/100 Inline Duct Fan - TD-ECOWATT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x TG-K Duct temperature sensor
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EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...