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...
.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 17 (of 17 products)
8 x Vent Axia ACM 150 inline mixed flow duct fan6 x Vent Axia ACM 200 inline mixed flow duct fan6 x Vent Axia ACM 100 inline mixed flow duct fan4 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 FRQ-10A V2 Inverter Speed controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter3 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter FU 075 14 - IP661 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW3 x Elta Variable Speed Drive IP66 - 1.5KW1 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 5.5KW2 x FRQ5-10A Inverter Speed controller3 x Elta 10 Amp Electronic single phase speed controller.1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Frequency converter RUCK - FU 075 381 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 2001 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50186 x EC6H - Reversible Group Fan Electronic Controller1 x Versio Square Ceiling Diffusers - RS141 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm3 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps3 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps5 x Airvent ceiling fan controller1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps3 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 350mm4 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x COM-33 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x EFSC-6N- Single Phase Speed Control1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B7 x Multi Input Run On Timer - 0 - 20min - CFCU3 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-ACO14E1 x CONTROL ECOWATT - Basic3 x Envirovent G4 Filter - SL-G4/F73 x Envirovent 4 Way Remote Control Switch - SWHBKRF-44 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan6 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan4 x Remote controller FLEX - for VEKO INT4 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-10TK6 x Transformer 5 Speed Controller - ATC1-4TK3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans3 x Transformer 5 Speed Controller - ATC1-8TK5 x Helios TSW 3 Amp Transformer speed controller2 x Three Phase Transformer controllers - RMT 1.5 Amp5 x CS2 Current Switch4 x Isolator Switch - ISOSW6 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x BEAS-control module6 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)3 x WS - Reversing Switch from Helios Fans2 x Helios HQW-200/2 - IP551 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel3 x Transformer Speed Control - RTRE- 12.0Amp4 x Helios HQW-630/4 - IP555 x Transformer (silent) speed controller - RE 3.0 Amp1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Electronic extractor fan speed controller - FSC 1.51 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta ACO Panel 149-ACO18B3 x Temperature Fan Speed Controller - ATCP4-WMS4 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x Transformer 5 Speed Controller - ATC1-12TK2 x Helios TSW 0.3Amp Compact Transformer speed controller5 x Helios TSW 1.5 Amp Transformer speed controller4 x Systemair Save Connect 2.0 Internet Module4 x Vent Axia ACM 125 inline mixed flow duct fan3 x MWS 3 – Transformer Controller With Motor Protection2 x TG-K Duct temperature sensor5 x RRB- transformer controller1 x Two Speed Switch - REGUL-25 x Vent Axia T-Series Controller1 x Easy-fix termination kit - High Rise Ventilator - EFT3 x Helios HQW-200/4 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted4 x Speed Controller - REB52 x REE-1 Electronic Speed Controller2 x Transformer (silent) speed controller - RE 1.5 Amp1 x EM30-24 Control Panel Commissioning Service1 x TG-R room temperature sensor4 x Transformer 5 Speed Controller - ATC1-2TK2 x Helios TSW MCB Amp Transformer speed controller2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x PML230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse3 x DEF-140T Inlet Guard for the CBT-100N2 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x MWS 1.5 – Transformer Controller With Motor Protection2 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT4 x TG-K3/NTC10-01 - Duct temperature sensor2 x CBS-60 Outlet Flange for CSB/CBT-603 x Speed Controller - REB102 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Transformer Speed Control - RTRE- 7.0Amp4 x Speed Controller - REB1-N4 x REB-CVF 0-10v Controller1 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT2 x RDS 11 Helios Transformer Controller With Motor Protection5 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Isolator Switch - EFF-ISO3 x Helios HQW-315/4 - IP552 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Elta Wall Cowl SWC56/632 x Quietflow SQS400-1ECL - Centrifugal Box Fan5 x MTP 10, 10K, Speed control2 x Helios PU10 Speed Potentiometer (Flush Mounted)4 x Transformer Speed Control - RTRE- 1.5Amp3 x SG-200 Fan Guard for the HQW 2005 x PIR Sensor - PIR26 x MTS10- extractor fan 3 step switch2 x TUNE-R-200-3-M1 - Control Damper1 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P4 x Transformer speed controller - ATC1 - 1.5 Amps1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x REE-2 Electronic Speed Controller1 x CBA-60 Inlet Flange for CBT-602 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)6 x Speed Controller - REB11 x Elta Wall Cowl SWC45/504 x Vent Axia Silent 100T (TIMER)1 x Elta Wall Cowl SWC25/312 x DEF-CBM-RE-7 - Protection Guard3 x Helios HQW-250/4 - IP552 x TD Mixvent 800/200 EEXEIIT32 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x ERR 20/1 Centrifugal inline fan2 x Transformer (silent) speed controller - RE 5.0 Amp1 x RDH FLEX-SQUARE - ADH/RDH 04505 x PIR Sensor - PIR44 x QPTW 250C Acoustic Twin Fan with Controller2 x UB47- Universal Insulated Terminal1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x Speed controller with Reverse - REB-1R3 x CBM 9-9 550w 4P VR (Open Motor)2 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Silent 100 Window Kit - windowS1 x Elta Louvre Shutter - 400mm2 x TG-K Duct temperature sensor4 x VTR 300 STD Filter Kit4 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x Speed Controller - REB81 x Jet Cowl - 315mm6 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x ENV 100 12v transformer SELV1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Vent Axia SC5001 - Speed controller1 x ELM 18 EX Flexible Cuff for ERM 182 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven4 x DDMP 12-12 3F 1810W M6A4 DG01 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3003 x Elta - Room Sensor - Temp/Humid/C024 x CBT-100N Centrifugal2 x Mini Diffuser - 100mm2 x Contactor Interface Station - CI91 x Compact SCD450/4-1AC3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x GXC6EC - High Performance Extract Fan3 x SAVE VSR 300 heat recovery unit3 x CPTA-E Flush mounted PIR sensor with timer2 x MWS 5 – Transformer Controller With Motor Protection Unit2 x Transformer Speed Control - RTRE- 5.0Amp1 x EBM-Papst D4E225-BC01-17 Double inlet1 x TUNE-R-200-3-M4 - Control Damper1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Silentub - STUB 1001 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Speed Controller - REB2.5-N
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Soler & Palau TCBB/4-450/H - IP65
£ 505.88
Delivered super promptly yesterday, next day. Only just fitt...