STJH-DYNAMIC-FIRE-DAMPER-305X305-VERTICAL

Dynamic Fire Damper 305 x 305 mm Vertical

A small curtain fire damper for vertical duct penetrations.

Narrow frame depth helps fit shallow barrier details.
A replaceable thermal link provides a defined mechanical release point.

Perkenalan produk

A folded galvanized curtain is retained clear of the opening during normal ventilation. Heat releases the fusible link and the stainless closure spring draws the curtain across the compact square frame.

Fitur utama:

Narrow frame depth helps fit shallow barrier details.
A replaceable thermal link provides a defined mechanical release point.

Parameter teknis

Nominal Opening	305 x 305 mm
Mounting	Vertical
Frame Depth	56 mm
Frame and Curtain	Galvanized steel
Closure Spring	Stainless steel
Fire Resistance Configuration	1.5 hours
Dynamic Velocity	2000 fpm
Maximum Pressure	4 in. w.g.
Fusible Link Temperature	165 °F (74 °C)
Customization (Kustomisasi)	Available for the intended barrier opening and duct connection.

Applications

Small supply penetrations through rated walls
Compact ventilation branches across fire partitions

Solutions for Your Application

The ventilation system may still be running during closure.

The dynamic curtain arrangement is selected for closure with airflow present.

A deep damper would crowd the wall connection.

The narrow frame can be incorporated into an appropriately sized connecting sleeve.

Pilihan yang tersedia

212 °F thermal link
286 °F thermal link
Sleeve and retaining-angle configuration

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