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)
1 x Capacitor 2uf for use with the EBM A4E range1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Binks Bullows - Spray Booth Filter1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 40 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps2 x Elta 10 Amp Electronic single phase speed controller.1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x ELTA - Single Phase Transformer 2amps3 x EC6H - Reversible Group Fan Electronic Controller2 x Electronic extractor fan speed controller - FSC 1.51 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller.2 x Airvent ceiling fan controller3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x EFSC-3N- Single Phase Speed Control2 x Elta 3 Amp Electronic single phase speed controller with TK1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps4 x COM-31 x ELTA - Single Phase Transformer 4amps2 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control4 x Vent Axia ACM 125 inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E4 x Transformer (silent) speed controller - RE 3.0 Amp1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta ACO Panel 149-ACO18B3 x Transformer Speed Control - RTRE- 12.0Amp1 x EM30-24 Control Panel Commissioning Service4 x MTP 10, 10K, Speed control1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm2 x Remote controller FLEX - for VEKO INT2 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW 10 Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan2 x Isolator Switch - ISOSW1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x TG-K Duct temperature sensor2 x BEAS-control module1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer 5 Speed Controller - ATC1-4TK1 x RTRD - Three Phase Speed Controller - 2 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x ERR 20/1 Centrifugal inline fan1 x Helios HQW-200/2 - IP552 x Envirovent G4 Filter - SL-G4/F71 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia T-Series Controller1 x ERR 31/1 Centrifugal inline fan1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB31 x CBS-60 Outlet Flange for CSB/CBT-601 x TG-K3/NTC10-01 - Duct temperature sensor1 x Helios HQW-200/4 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Speed Controller - REB51 x Transformer (silent) speed controller - RE 1.5 Amp1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x Speed Controller - REB102 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB1-N1 x Transformer Speed Control - RTRE- 5.0Amp1 x REB-CVF 0-10v Controller2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x SG-200 Fan Guard for the HQW 2002 x CBM 9-9 550w 4P VR (Open Motor)3 x PIR Sensor - PIR22 x MTS10- extractor fan 3 step switch1 x CBA-60 Inlet Flange for CBT-601 x Vent Axia Silent 100T (TIMER)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Silent 100 Window Kit - windowS2 x Speed Controller - REB11 x TD Mixvent 800/200 EEXEIIT31 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-10TK2 x CS2 Current Switch2 x REE-1 Electronic Speed Controller2 x TG-R room temperature sensor2 x WS - Reversing Switch from Helios Fans1 x Isolator Switch - EFF-ISO1 x Helios HQW-250/4 - IP551 x Helios HQW-315/4 - IP553 x PIR Sensor - PIR41 x ELM 25 EX Flexible Cuff for ERM 253 x QPTW 250C Acoustic Twin Fan with Controller1 x Speed Controller - REB81 x DEF-CBM-RE-7 - Protection Guard1 x TG-K Duct temperature sensor1 x UB47- Universal Insulated Terminal1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x DDMP 09/09 Mounting Flange1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x VTR 300 STD Filter Kit1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Insulated extract Plenum 8+11 x Insulated extract Plenum 6+11 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Multiflow SMB550/4-1AC1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB2.5-N1 x ENV 100 12v transformer SELV1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x ELM 20 EX Flexible Cuff for ERM 221 x CBT-100N Centrifugal1 x Elta - Room Sensor - Temp/Humid/C021 x DEF-140T Inlet Guard for the CBT-100N1 x Two Speed Switch - REGUL-21 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Contactor Interface Station - CI91 x Mini Diffuser - 100mm1 x GXC6EC - High Performance Extract Fan1 x Compact SCD450/4-1AC
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...