Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 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
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Flanged Damper 019-0250-STD
£ 396.97
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
VKS 355-500 Automatic shutter
£ 85.00
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 13 (of 13 products)
1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-3AC - Three Phase2 x CTVB/4-225 Kitchen/High Temp Roof Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x CTVB/4-400 Kitchen/High Temp Roof Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x CRVT/6-630 Roof mounted Fan - vertical discharge1 x CRVT/4-500 N Roof mounted Fan - vertical discharge1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-1AC - Single Phase1 x Raptor SDA450/4-1AC1 x Elta SLC450/4-3AC - IP551 x 220x90mm Flat Channel Connector1 x Elta SLC450/2-1AC - IP551 x Belt Drive Cased Axial Fan - 450mm - H version1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x REA-254M - (Single Phase Centrifugal Roof Fan)1 x Elta SCP710-1EC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC1 x 125mm Round 45 Degree Bend1 x 125mm - 100mm Round Reducer1 x ELM 25 EX Flexible Cuff for ERM 2501 x Acopel F400-400/1601 x Duct Clamps box of 50 - 60mm - 270mm1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x FAST-TRACK RANGE 75mm - Valve Adaptor 90° 125mm1 x Duct Tape - Silver - DTape1 x Bellimo TF24S Actuator 24V1 x HQS Bathroom Axial Flow Fan - 125mm1 x Round ceiling diffuser 350mm1 x FSAF355B2DX Silencer 395/81 x Elta Unpodded Silencer 1D-560mm1 x Soler & Palau - HCBT/4-800/L-AX - IP551 x Elta SCP250-1EC - IP551 x Elta Unpodded Silencer Melinex 1D-560mm1 x Etaline 450mm -EC (Three Phase)1 x Soler & Palau - HCBT/6-450/H - IP651 x FRQ5-10A Inverter Speed controller1 x CBMT/Q 400-55 1 HEATER KIT1 x Female Ducting Connector - 80mm1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x HXP450/6-1 - 6 Pole - Single Phase1 x CBMT/Q 400-9 3 HEATER KIT1 x FSAF400B1DA Silencer 450/81 x Soler & Palau HXM-250mm1 x Elta Quietflow Twin SQT315-1ECL1 x Ancillary Pack for SB-Biflow 400 model1 x DHS 450EV roof fan1 x Direct Saturday Delivery Surcharge1 x Elta SCP560-1EC - IP551 x DVN 900D6 - High Temperature Roof Fan1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT350/4-3AC1 x Elta SLC800/4A - Fan & Inverter Package1 x Duct Wrap Insulation - AWDW25mm1 x Access Door for Circular Duct - 400 x 300 - SIZE 561 x Soler & Palau - HCBT/4-900/L - IP551 x IP65 Remote Speed Adjustment Station
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Transformer (silent) speed controller - RE 1.5 Amp
£ 125.99
Unbelievable! With TDmixvent500: noise reduction minimum 50%...