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)
1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x EC6H - Reversible Group Fan Electronic Controller1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 8amps1 x PCA Diffuser - PCA-3151 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Curved Blade Grille 600x600 (2way blow)1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50183 x COM-31 x Circular Ceiling Diffuser - TST 2001 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x Versio Square Ceiling Diffusers - RS142 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 22 25 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 4.0KW1 x ELTA - Three Phase Transformer 10amps1 x FU 075 04 Frequency Inverter (IP20)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 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- 6301 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- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC35/401 x Transformer (silent) speed controller - RE 1.5 Amp1 x Jet Cowl - 315mm2 x Electronic extractor fan speed controller - FSC 1.51 x Envirovent G4 Filter - SL-G4/F72 x MTP 10, 10K, Speed control1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Remote controller FLEX - for VEKO INT2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x MWS 3 – Transformer Controller With Motor Protection2 x Helios HQW-200/2 - IP551 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios HQW-630/4 - IP552 x Helios HQW-200/4 - IP551 x Vent Axia T-Series Controller1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Two Speed Switch - REGUL-21 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Isolator Switch - EFF-ISO1 x Helios HQW-250/4 - IP551 x Balance S Diffuser - NO RING - 125mm1 x ELTA - Single Phase Transformer 16amps1 x Vent Axia Silent 100T (TIMER)3 x PIR Sensor - PIR21 x MTS10- extractor fan 3 step switch1 x Compact SCD450/4-1AC1 x PIR Sensor - PIR41 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x Duct Termination with Mesh - 100mm1 x QPTW 250C Acoustic Twin Fan with Controller1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x CBT-100N Centrifugal1 x Mini Diffuser - 100mm1 x Elta HXP 800mm 6-Pole (Three Phase)1 x Elta SCP400/4-1AC - IP551 x Elta - Room Sensor - Temp/Humid/C021 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan
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Soler & Palau TCBB/4-450/H - IP65
£ 505.88
Delivered super promptly yesterday, next day. Only just fitt...