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Fire / Smoke Dampers & VCD's

Smoke Control Dampers

Smoke Control Dampers

The SC Series Smoke/Control Damper has been designed for installation primarily into Fire-Rated Ventilation Ducts to control low-medium air velocities.
Its all steel construction is robust, with detail to its application, performance and size as required by specifiers and contractors.
Its design, construction and material selection have been specific so as to ensure a high quality, low maintenance product.
Single section units are available from 100sq.mm. to 1200sq.mm


• Standard blade and case construction is galvanised mild steel, with grade 302S stainless steel side seals
• Unique one piece double-skin interlocking airfoil blades
• Four casing options
• Linkage out of airflow
• Optional blades and case in grades 316 or 430 stainless steel
• Grade 316 stainless steel side seals available to order
• Infinite sizing capability from 100sq.mm. to 1200sq.mm
• Variable flange dimensions and casing widths


Specifications & Tests
• Unless stated otherwise, flange models suitable for class A & B of DW144, spigot models suitable for class A B & C
• Conforms to HVCA specification DW144
• Conforms to Eurovent 2/2 classes A - C
• Blade construction fire tested to BS476 part20; 1987 for integrity and leakage
• Elevated temperature tests, reports 231297, 234486 and 127438 refer
• Resistance tested by BSRIA, report 15633/1 refers
• Leakage tested by BSRIA, report 15633/1 refers
• 28 day salt corrosion tested Chatfield report RLR3 refers


Blade Details

The 100mm wide steel airfoil interlocking blades are fitted to 19mm diameter spindles for robust, low-friction rotation.

Galvanised blades are offered as standard with Stainless Steel Grade 430 and 316 options available to order. Where stainless steel blade option is requested, grade 430 will be supplied unless otherwise stated.
Fitted as standard is grade 302S stainless steel blade end seals.
Opposed blade operation only.