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)
4 x Helios TSW 7.5 Amp Transformer speed controller3 x Remote controller FLEX - for VEKO INT3 x VEKA INT 2000/15.0-L1 EKO2 x Elta Variable Speed Drive IP66 - 7.5KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 0.75KW1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 075 52 Frequency Inverter (IP20)1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller3 x Elta Variable Speed Drive IP66 - 2.2KW1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x Frequency converter RUCK - FU 075 213 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x PCA Diffuser - PCA-3151 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x Circular Ceiling Diffuser - TST 1252 x Elta Variable Speed Drive IP66 - 1.5KW2 x Elta Variable Speed Drive IP66 - 4.0KW1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 125mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Round ceiling diffuser 400mm1 x FU 075 04 Frequency Inverter (IP20)1 x Balance S Diffuser - NO RING - 100mm1 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x ACO 149-ACO1/EDV1 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm3 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps4 x Electronic extractor fan speed controller - FSC 1.51 x 5-Speed Controller for use with Elta SAX Classic Fans3 x EC6H - Reversible Group Fan Electronic Controller1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller.4 x Elta 3 Amp Electronic single phase speed controller with TK2 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps4 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 12amps2 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps4 x Airvent ceiling fan controller3 x COM-33 x Elta 6 Amp Electronic single phase speed controller.3 x Remote Timer Control - 13511 x EFSC-6N- Single Phase Speed Control1 x Run On Timer - 5s - 4hrs - RT5A1 x ELTA - Single Phase Transformer 10amps1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Push Timer Switch - ZA43 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x Elta ACO Panel 149-ACO14E3 x Envirovent G4 Filter - SL-G4/F71 x EM30-24 Electro-Mechanical Control Panel1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT3 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3554 x MTS10- extractor fan 3 step switch2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Elta Wall Cowl SWC56/634 x PIR Sensor - PIR43 x Transformer 5 Speed Controller - ATC1-4TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans4 x Helios TSW MCB Amp Transformer speed controller3 x Helios TSW 1.5 Amp Transformer speed controller3 x Helios TSW 10 Amp Transformer speed controller5 x Vent Axia ACM 125 inline mixed flow duct fan2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)4 x Transformer (silent) speed controller - RE 3.0 Amp2 x REB-CVF 0-10v Controller2 x SAVE VSR 300 heat recovery unit2 x UB47- Universal Insulated Terminal5 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Transformer 5 Speed Controller - ATC1-12TK2 x BEAS-control module2 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Helios HQW-200/4 - IP554 x TG-K3/NTC10-01 - Duct temperature sensor3 x Helios HQW-315/4 - IP552 x CBM 9-9 550w 4P VR (Open Motor)4 x Speed Controller - REB52 x Transformer (silent) speed controller - RE 5.0 Amp2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Isolator Switch - EFF-ISO2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x Speed Controller - REB1-N2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR5 x MTP 10, 10K, Speed control3 x CBT-100N Centrifugal1 x Contactor Interface Station - CI93 x Vent Axia Silent 100T (TIMER)4 x VTR 300 STD Filter Kit2 x Helios HQW-250/4 - IP554 x PIR Sensor - PIR22 x Silentub - STUB 1002 x EBM-Papst D3G133-BF05-14 Double inlet2 x Elta - Room Sensor - Temp/Humid/C021 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x CPTA-E Flush mounted PIR sensor with timer3 x Three Phase Transformer controllers - RMT 1.5 Amp2 x DEF-140T Inlet Guard for the CBT-100N2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan2 x MWS 3 – Transformer Controller With Motor Protection2 x Two Speed Switch - REGUL-22 x Helios HQW-200/2 - IP552 x TG-K Duct temperature sensor2 x Vent Axia T-Series Controller2 x CBS-60 Outlet Flange for CSB/CBT-601 x Helios HQW-630/4 - IP555 x QPTW 250C Acoustic Twin Fan with Controller4 x Speed Controller - REB11 x DDMP 12-12 3F 1810W M6A4 DG01 x TUNE-R-200-3-M4 - Control Damper1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Potentiometer EGH 01 - for DDMP Fans1 x Compact SCD450/4-1AC1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3005 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan4 x Transformer 5 Speed Controller - ATC1-2TK3 x Helios TSW 3 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-8TK2 x RDS 11 Helios Transformer Controller With Motor Protection3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x WS - Reversing Switch from Helios Fans1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer Speed Control - RTRE- 12.0Amp2 x REE-1 Electronic Speed Controller2 x TEM 075 - 5 Speed Transformer Speed Control3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Transformer (silent) speed controller - RE 1.5 Amp2 x TG-R room temperature sensor3 x DEF-CBM-RE-7 - Protection Guard2 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x SG-200 Fan Guard for the HQW 2001 x Multiflow SMB550/4-1AC1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x TG-K Duct temperature sensor1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Speed Controller - REB2.5-N1 x MWS 5 – Transformer Controller With Motor Protection Unit2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost4 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Isolator Switch - ISOSW2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Vortice Quadro Micro 100 I - Standard Version3 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 1.5Amp1 x GXC6EC - High Performance Extract Fan1 x Singleflow SSDL315-1EC1 x ACO8AC/EC AutoChangeover panel2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Transformer speed controller - ATC1 - 1.5 Amps1 x ERR 20/1 Centrifugal inline fan2 x Vent Axia SC5001 - Speed controller1 x Speed Controller - REB31 x Transformer Speed Control - RTRE- 5.0Amp3 x Speed Controller - REB101 x CBA-60 Inlet Flange for CBT-602 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x TUNE-R-200-3-M1 - Control Damper1 x Silent 100 Window Kit - windowS1 x DA9/9-NT1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x DS-2 2-Speed Switch (3 Phase)1 x CBA-100 Inlet Flange for CBT-1001 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Temperature Fan Speed Controller - ATCP4-WMS1 x RDS 7 Helios Transformer Controller With Motor Protection1 x ELM 18 EX Flexible Cuff for ERM 182 x Speed Controller - REB81 x LFBR 160 G4 - Helios Inline Filter Box - 160mm1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Speed Controller - REB16
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EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...