Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 14 (of 14 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...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 435.00
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
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 14 (of 14 products)
1 x Gripple HVAC Hanger Range - Loop Fast - LF1 - 1mtr1 x U42K Screws for duct1 x Galvanised Banding1 x TechSeal 100FR Duct Sealant Cartridge - 100FRS1 x Pre 10:30 Delivery Surcharge1 x Slotted channel1 x Purlin Box 200/250 for RAW Cowls1 x TD Mixvent Twin Base Kit - 8001 x Belt Drive Cased Axial Fan - 500mm - L version1 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x KV 200 L Sileo1 x Raptor SDA400/4-1EC1 x CFI In-line 3000 - Carbon Filter1 x Etaline 450mm D4 01 (Three Phase)1 x MV EC 150 Multivent1 x Spiral Duct Grille Termination - 400mm1 x HQD 355/4 Plate Axial Fan (4-pole)1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Ducting 30 Degree Bend - 400mm1 x Round ceiling diffuser 200mm1 x Duct Termination with Mesh - 400mm1 x Round ceiling diffuser 400mm1 x Elta SLC900/8-3AC1 x 100mm - 125mm Round Reducer1 x Flanged Spigot - 80mm1 x Male Ducting Connector - 400mm1 x Soler & Palau - HXTR/4-355/H - IP541 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x 18M - 80mm PVC flexible ducting1 x Curved Blade Grille 600x600 (2way blow)1 x PRIO-160 160mm Inline Mixvent Fan1 x 110 x 54mm Rectangular Wall Plate1 x Spiral Ducting 1 meter - 400mm1 x MFQ450-14 - SQUARE MIXED FLOW FAN - 450mm Single Phase1 x Soler & Palau HXM-350mm1 x Round ceiling diffuser 250mm1 x Elta SCP350/4-3AC - IP551 x NKS-D swirl diffuser v-300 x 300mm1 x PRIO-160 EC 160mm Inline Mixvent Fan1 x HCFB/4-355mm plastic impeller plate fan1 x 150mm Round Connector1 x 100mm Wall Duct - 350mm1 x Clearance JPAK 100mm1 x RS-160L1 x Flat Roof Terminal -OFT 1 - Felt & Asphalt 110mm1 x Spiral Ducting 3 Meters - 800mm1 x External weather louvre 2728mmW x 1630mmH1 x JETLINE-200 - In Line Centrifugal Duct Fan1 x Etaline 200mm1 x Helios DDF-250 Roof Cowl1 x Male Ducting Connector - 800mm1 x Raptor SDA400/4-1AC1 x Elta Turboflow-TF - 500mm - Single phase1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Elta SLC500/4B-3AC - IP551 x Spigot plate - 800mm1 x Elta Wall Cowl SWC45/501 x Elta SLC315-1EC -IE5 Motor- IP551 x Helios HRFW 500/41 x Etaline 200 - EC1 x Flat Roof Terminal -OFT 5 - Bitumen1 x Quietflow SQS200-1ECL - Centrifugal Box Fan1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta Wall Cowl SWC56/631 x Female Ducting Connector - 800mm1 x Helios DDF-315 Roof Cowl1 x Compact SCD630/4-1AC1 x Elta SLC630/4B-3AC - IP551 x Belt Drive Cased Axial Fan - 630mm - H version1 x Miniflow SMF Horizontal Roof Cowl SMF20/301 x Soler & Palau TCBT/4-630/L - IP651 x Elta SLC500/4A-3AC - IP55
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