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 7 Day Programmable TIMECLOCK1 x Circular Ceiling Diffuser - TST 2001 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x NKS-D swirl diffuser v-300 x 300mm1 x Versio Square Ceiling Diffusers - RS141 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x Balance S Diffuser - NO RING - 100mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x Mini Diffuser - 100mm1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x Elta 2 Amp Electronic single phase speed controller.1 x EC6H - Reversible Group Fan Electronic Controller3 x Electronic extractor fan speed controller - FSC 1.51 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x ELTA - Single Phase Transformer 12amps1 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 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 Elta 3 Amp Electronic single phase speed controller with TK1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x COM-31 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios VDS-7 Three Phase Transformer 5-Step1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Transformer 5 Speed Controller - ATC1-4TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x Envirovent G4 Filter - SL-G4/F71 x Vent Axia T-Series Controller1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Remote Timer Control - 13511 x Multiflow SMB550/4-1AC1 x Speed Controller - REB5
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Airvent Ceiling Sweep Fan - 36 inch - 444122
£ 59.84
Fitted 2 Of These Excellent Fans in a Community Club to shif...