• Model:MW104

Metal Fire Rated Exhaust valve

£ 15.86 (excl. VAT)

£ 19.03 (inc. VAT)

Description
Metal exhaust grille with integrated fire damper.

Tested to BS1365-2 and tested in timber floor/ceiling. Suitable replacement for fire rated dampers.

Function
This is an exhaust diffuser for installation in ceilings. The grille has a lockable central cone which is rotated to adjust the pressure and consequently the air volume.

Mounting
All sizes can be installed directly onto the duct. Mounting ring included.

Adjustment
The pressure is adjusted by rotating the valve cone.

Other sizes available up to 200mm

Available Options

1 x External weather louvre Rectangular in RAL 9010 - 1200w x 800h - WL501 x GB-WSG 450 External Weather Louvers for the Giga-Box Fans - 450mm1 x Elta SLC500/2A-3AC - IP551 x CFI Lite 600 Carbon Filter1 x Kitchavent 2000 Odour control System1 x CFI In-line 3000 - Carbon Filter1 x Helios HQW-400/4 - IP551 x HCFB/4-400mm plastic impeller plate fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Elta SCP400/4-3AC - IP551 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x EuroSeries (ESP) - Plate Mounted Axial Fans 400-141 x Soler & Palau - HCBT/6-400/H - IP651 x Soler & Palau - HXBR/4-400/H - IP541 x Belt Drive Cased Axial Fan - 710mm - L version1 x Female Ducting Connector - 80mm1 x HRB/6-400-APN1 x Spigot plate - 80mm1 x HCFT/4-400mm plastic impeller plate fan1 x Belt Drive Cased Axial Fan - 800mm - H version1 x Belt Drive Cased Axial Fan - 450mm - H version1 x Belt Drive Cased Axial Fan - 560mm - L version1 x HRB/4-400-BPN1 x Anti Vibration Duct Suspension Rings - 80mm1 x Hydor HPA400/6-1A1 x Ducting 45 Degree Bend - 80mm1 x Soler & Palau - HCBT/4-400/H - IP651 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Belt Drive Cased Axial Fan - 630mm - H version1 x Spiral Ducting 1 meter - 80mm1 x Belt Drive Cased Axial Fan - 560mm - H version1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 630mm1 x AXC 355-6/19°-2(B)-P (0.75 kW) - Smoke Extract Fan1 x Elta SPA400/4-1AC - IP541 x Elta SCP400-1EC - IP551 x AXC 315-6/11-2(B)-PV 300*C - Smoke Extract Fan1 x HRT/4-400-BPN1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Hydor HPA400/4-1A1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x Belt Drive Cased Axial Fan - 630mm - L version
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 10.53

Look good, works well, except the shaft of the lanellae cuts...