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 ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV2 x Electronic extractor fan speed controller - FSC 1.51 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x Elta 10 Amp Electronic single phase speed controller.1 x NKS-D swirl diffuser v-300 x 300mm1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2002 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1601 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller with TK3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Balance S Diffuser - NO RING - 100mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 300mm1 x COM-31 x Round ceiling diffuser 250mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Helios TSW MCB Amp Transformer speed controller5 x Vent Axia ACM 125 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Helios TSW 1.5 Amp Transformer speed controller1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x CBS-60 Outlet Flange for CSB/CBT-601 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x EM30-24 Electro-Mechanical Control Panel1 x Helios HQW-200/2 - IP553 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 150 inline mixed flow duct fan3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Time Delay Unit - DT20B5 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Helios TSW 0.3Amp Compact Transformer speed controller4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x CS2 Current Switch3 x Isolator Switch - ISOSW2 x Transformer 5 Speed Controller - ATC1-8TK1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT3 x Systemair Save Connect 2.0 Internet Module1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x DEF-140T Inlet Guard for the CBT-100N2 x Vent Axia ACM 100 inline mixed flow duct fan2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer 5 Speed Controller - ATC1-12TK3 x MWS 3 – Transformer Controller With Motor Protection1 x 7 Day Programmable TIMECLOCK1 x Versio Square Ceiling Diffusers - RS141 x BEAS-control module1 x Envirovent G4 Filter - SL-G4/F71 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x TG-K Duct temperature sensor1 x Capacitor 2uf for use with the EBM A4E range2 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-4TK1 x REB-CVF 0-10v Controller1 x Helios HQW-630/4 - IP551 x Elta ACO Panel 149-ACO18B1 x Transformer (silent) speed controller - RE 3.0 Amp1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 5.5KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER3 x Helios TSW 3 Amp Transformer speed controller2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x WS - Reversing Switch from Helios Fans1 x Transformer Speed Control - RTRE- 12.0Amp1 x REE-1 Electronic Speed Controller1 x MWS-75 Transformer controller with TK -7.5A1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Two Speed Switch - REGUL-21 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 7.5 Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection1 x ERR 20/1 Centrifugal inline fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ5-10A Inverter Speed controller1 x Insulated extract Plenum 6+11 x Compact SCD450/4-1AC1 x RDS 11 Helios Transformer Controller With Motor Protection
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EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...