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 Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x Frequency converter FU 075 14 - IP662 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW2 x FRQ5-10A Inverter Speed controller1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 100mm3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x WS - Reversing Switch from Helios Fans1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK3 x Transformer (silent) speed controller - RE 3.0 Amp1 x TTC-2000 Three phase electric heater controller4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50182 x Vent Axia ACM 100 inline mixed flow duct fan2 x Vent Axia ACM 200 inline mixed flow duct fan1 x Circular Ceiling Diffuser - TST 1604 x Vent Axia ACM 125 inline mixed flow duct fan1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 350mm4 x Isolator Switch - ISOSW1 x PCA Diffuser - PCA-2503 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Elta 3 Amp Electronic single phase speed controller with TK3 x MWS 1.5 – Transformer Controller With Motor Protection3 x Electronic extractor fan speed controller - FSC 1.51 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Multiflow SMB550/4-1AC1 x Elta ACO Panel 149-ACO14E1 x Helios HQW-315/4 - IP551 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x MTS10- extractor fan 3 step switch4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-12TK3 x Systemair Save Connect 2.0 Internet Module3 x Transformer speed controller - ATC1 - 1.5 Amps2 x COM-32 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor3 x Elta 6 Amp Electronic single phase speed controller with TK3 x TG-K3/NTC10-01 - Duct temperature sensor1 x Airvent ceiling fan controller1 x TG-R room temperature sensor1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 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 - ATC1-4TK2 x CS2 Current Switch3 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Envirovent G4 Filter - SL-G4/F71 x DEF-140T Inlet Guard for the CBT-100N1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CBS-60 Outlet Flange for CSB/CBT-601 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Speed Controller - REB1-N1 x CBM 9-9 550w 4P VR (Open Motor)1 x BEAS-control module1 x CBA-60 Inlet Flange for CBT-601 x MTP 10, 10K, Speed control1 x SG-200 Fan Guard for the HQW 2001 x Helios TSW 0.3Amp Compact Transformer speed controller1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x Helios HQW-200/4 - IP553 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed controller with Reverse - REB-1R1 x Helios TSW 1.5 Amp Transformer speed controller1 x ERR 20/1 Centrifugal inline fan1 x Helios HQW-200/2 - IP551 x Speed Controller - REB101 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Isolator Switch - EFF-ISO1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer 5 Speed Controller - ATC1-8TK1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Transformer 5 Speed Controller - ATC1-10TK1 x RDS 11 Helios Transformer Controller With Motor Protection1 x ERR 31/1 Centrifugal inline fan1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x PIR Sensor - PIR21 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 1.5Amp1 x Vent Axia Silent 100T (TIMER)1 x DEF-CBM-RE-7 - Protection Guard1 x EC-Vent Room Unit1 x Helios HQW-250/4 - IP551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x ELM 18 EX Flexible Cuff for ERM 181 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x TD Mixvent 800/200 EEXEIIT31 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x PIR Sensor - PIR41 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x RDS 7 Helios Transformer Controller With Motor Protection1 x VTR 300 STD Filter Kit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Speed Controller - REB2.5-N1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Speed Controller - REB81 x TG-K Duct temperature sensor1 x UB47- Universal Insulated Terminal1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Elta 6 Amp Electronic single phase speed controller.1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Elta - Room Sensor - Temp/Humid/C021 x Elta 10 Amp Electronic single phase speed controller.1 x EM30-24 Control Panel Commissioning Service1 x CBT-100N Centrifugal1 x Contactor Interface Station - CI91 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Speed Controller - REB5
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Soler & Palau TCBB/4-450/H - IP65
£ 505.88
Delivered super promptly yesterday, next day. Only just fitt...