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)
2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter3 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Three Phase Transformer 10amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)2 x Elta 10 Amp Electronic single phase speed controller.1 x FU 22 04 Frequency Inverter1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm4 x Electronic extractor fan speed controller - FSC 1.53 x EC6H - Reversible Group Fan Electronic Controller1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1003 x Elta 3 Amp Electronic single phase speed controller with TK1 x PCA Diffuser - PCA-3151 x Elta 2 Amp Electronic single phase speed controller.1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 8amps4 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 12amps1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller.3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 2001 x AIRVENT speed control - AIR4019611 x Circular Ceiling Diffuser - TST 1603 x COM-31 x ELTA - Single Phase Transformer 4amps1 x EFSC-6N- Single Phase Speed Control1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 250mm4 x Vent Axia ACM 100 inline mixed flow duct fan1 x Round ceiling diffuser 350mm1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6303 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 EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT3 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3554 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Envirovent G4 Filter - SL-G4/F75 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios TSW MCB Amp Transformer speed controller4 x Helios TSW 10 Amp Transformer speed controller2 x TG-K Duct temperature sensor3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x BEAS-control module1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x MWS 1.5 – Transformer Controller With Motor Protection2 x Vent Axia T-Series Controller5 x Transformer (silent) speed controller - RE 3.0 Amp5 x WS - Reversing Switch from Helios Fans2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x REE-1 Electronic Speed Controller2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer (silent) speed controller - RE 5.0 Amp2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan3 x Three Phase Transformer controllers - RMT 1.5 Amp4 x Vent Axia ACM 125 inline mixed flow duct fan1 x CS2 Current Switch4 x Isolator Switch - ISOSW3 x Helios HQW-630/4 - IP551 x TG-K3/NTC10-01 - Duct temperature sensor4 x Helios HQW-200/4 - IP551 x TG-R room temperature sensor2 x Multiflow SMB550/4-1AC2 x Speed Controller - REB52 x Isolator Switch - EFF-ISO1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-2TK1 x Push Timer Switch - ZA41 x CBS-60 Outlet Flange for CSB/CBT-601 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x MTP 10, 10K, Speed control3 x Speed Controller - REB102 x Silent 100 Window Kit - windowS2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 12.0Amp2 x TUNE-R-200-3-M1 - Control Damper1 x GRA-100 External Grill by S&P4 x PIR Sensor - PIR22 x Transformer Speed Control - RTRE- 7.0Amp4 x Helios HQW-315/4 - IP554 x Speed Controller - REB1-N2 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Transformer (silent) speed controller - RE 1.5 Amp4 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x SG-200 Fan Guard for the HQW 2003 x Vent Axia Silent 100T (TIMER)1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x DEF-140T Inlet Guard for the CBT-100N1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.3 x QPTW 250C Acoustic Twin Fan with Controller2 x PIR Sensor - PIR42 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Helios HQW-250/4 - IP551 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x MWS 3 – Transformer Controller With Motor Protection1 x RDS 7 Helios Transformer Controller With Motor Protection1 x DDMP 12-12 3F 1810W M6A4 DG01 x ELM 18 EX Flexible Cuff for ERM 181 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x UB47- Universal Insulated Terminal1 x DDMP 10-08 3F 2210W M6A4 DG01 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Elta - Room Sensor - Temp/Humid/C02
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Soler & Palau TCBB/4-450/H - IP65
£ 505.88
Delivered super promptly yesterday, next day. Only just fitt...