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DVS • Duct Stiffener
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- Duct Stiffener
- Sections that are used on ducts to strengthen the duct, when pressurised.
- Galvanised Sheet Steel
DVS - ‘S’ Type Ductwork Stiffener
Brand
- Doby Verrolec
Material
Profiles
- British Standard BS EN 10142:2000 Steel grade and coating
- Specification: BS EN 10346:2015 DX51D +Z275 MAC.
Corners
- Hot rolled steel to BS EN 10111:2008 Steel grade EN 10111-DD11 Pickled and Oiled
- Finish - Zinc and clear passivate to BS EN 2081:2008 - Fe/Zn8/A.
Specifications
- No Secondary protection of the stiffener required.
- DVS4 capable of reaching S5 rating at medium pressure.
- Manufactured to comply with Fig.26 of B&ES specification DW/144 2013.
- Specifically designed EZP corner pieces.
- More convenient - Stiffener can be fitted after ductwork is completed.
- Pre-drilled pilot holes for easier fitting as standard.
- Stiffener frame can be made up using fasteners or spot welded together reducing time to assemble over using a welded RSA frame.
- Cost savings - By allowing the use of shorter fasteners than when using RSA.
- Fixing centres rolled into the stiffener during manufacture, reducing fitting time if pre-drilled pilot holes are not required.
- Easier and quicker fitting time by drilling stiffener and ductwork for fasteners in single operation.
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