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 Duct Termination with Mesh - 250mm1 x ZAP 710-63 Plate axial fan1 x Ducting Y Piece - 450mm1 x Elta Variable Speed Drive IP66 - 7.5KW4 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP664 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)2 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 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 ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm3 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1253 x EC6H - Reversible Group Fan Electronic Controller1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Elta 2 Amp Electronic single phase speed controller.1 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2001 x JSR 200 Painted RAL50182 x 5-Speed Controller for use with Elta SAX Classic Fans4 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 400mm1 x Elta 3 Amp Electronic single phase speed controller.4 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019614 x COM-31 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm2 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B4 x Systemair Save Connect 2.0 Internet Module5 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans3 x Remote controller FLEX - for VEKO INT3 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller3 x Vent Axia ACM 150 inline mixed flow duct fan3 x Transformer 5 Speed Controller - ATC1-12TK1 x RTRD - Three Phase Speed Controller - 2 Amp2 x RDS 11 Helios Transformer Controller With Motor Protection3 x Helios TSW MCB Amp Transformer speed controller3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Helios TSW 1.5 Amp Transformer speed controller3 x Helios TSW 10 Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan5 x Vent Axia ACM 125 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,2 x DEF-140T Inlet Guard for the CBT-100N5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp4 x Isolator Switch - ISOSW3 x MWS 3 – Transformer Controller With Motor Protection3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-44 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-8TK3 x Helios TSW 3 Amp Transformer speed controller3 x Transformer 5 Speed Controller - ATC1-4TK1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x BEAS-control module1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box3 x 7 Day Programmable TIMECLOCK3 x CS2 Current Switch1 x ERR 20/1 Centrifugal inline fan2 x Helios HQW-200/2 - IP554 x MWS 1.5 – Transformer Controller With Motor Protection5 x WS - Reversing Switch from Helios Fans1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Envirovent G4 Filter - SL-G4/F72 x Two Speed Switch - REGUL-22 x Vent Axia T-Series Controller1 x ERR 31/1 Centrifugal inline fan3 x Helios HQW-630/4 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted5 x Transformer (silent) speed controller - RE 3.0 Amp2 x CBS-60 Outlet Flange for CSB/CBT-603 x Transformer Speed Control - RTRE- 12.0Amp2 x Remote Timer Control - 13515 x Helios HQW-200/4 - IP552 x Airvent ceiling fan controller3 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB31 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6304 x Transformer 5 Speed Controller - ATC1-2TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Vent Axia ACM 200 inline mixed flow duct fan3 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x TG-R room temperature sensor4 x Speed Controller - REB51 x EM30-24 Control Panel Commissioning Service3 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Easy-fix termination kit - High Rise Ventilator - EFT3 x Multiflow SMB550/4-1AC2 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Isolator Switch - EFF-ISO4 x Speed Controller - REB101 x Transformer Speed Control - RTRE- 5.0Amp1 x Speed Controller - REB61 x REE-1 Electronic Speed Controller2 x Helios PU10 Speed Potentiometer (Flush Mounted)4 x Transformer Speed Control - RTRE- 7.0Amp2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Skyflow SSR Horizontal Roof Cowl SSR80B4 x Helios HQW-315/4 - IP554 x SG-200 Fan Guard for the HQW 2004 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x TUNE-R-200-3-M1 - Control Damper1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Transformer speed controller - ATC1 - 1.5 Amps2 x Elta 10 Amp Electronic single phase speed controller.4 x MTP 10, 10K, Speed control3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x Temperature Fan Speed Controller - ATCP4-WMS3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B3 x Transformer Speed Control - RTRE- 1.5Amp4 x CBM 9-9 550w 4P VR (Open Motor)2 x CBA-60 Inlet Flange for CBT-601 x Speed controller with Reverse - REB-1R1 x DDMP 09-09 3F 2130W M6A4 DG02 x MTS10- extractor fan 3 step switch2 x TG-K3/NTC10-01 - Duct temperature sensor3 x Vent Axia Silent 100T (TIMER)2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Wall Cowl SWC56/633 x Speed Controller - REB1-N1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)3 x QPTW 250C Acoustic Twin Fan with Controller1 x ELM 18 EX Flexible Cuff for ERM 182 x Silent 100 Window Kit - windowS2 x DDMP 12-12 3F 1810W M6A4 DG05 x PIR Sensor - PIR21 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x TD Mixvent 800/200 EEXEIIT33 x Helios HQW-250/4 - IP551 x Insulated extract Plenum 6+11 x ELM 25 EX Flexible Cuff for ERM 251 x DDMP 09/09 Mounting Flange1 x Elta Louvre Shutter - 400mm1 x Speed Controller - REB13 x UB47- Universal Insulated Terminal1 x GRA-100 External Grill by S&P1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x ENV 100 12v transformer SELV3 x PIR Sensor - PIR41 x Vent Axia SC5001 - Speed controller1 x VTR 300 STD Filter Kit1 x Elta Wall Cowl SWC45/501 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x DEF-CBM-RE-7 - Protection Guard1 x Contactor Interface Station - CI92 x Speed Controller - REB81 x Compact SCD450/4-1AC1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x Smoke Extract Axial Fan Series AXC 450 (B)1 x Elta - Room Sensor - Temp/Humid/C021 x MTV-1/010 Controller 0 to 10V+
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...