STJH-COMBINATION-FIRE-SMOKE-DAMPER-305X305-CLASS1

Combination Fire and Smoke Damper 305 x 305 mm Class I

Combined thermal and smoke closure in a compact square duct opening.

A single assembly addresses both smoke leakage control and thermal closure.
External actuation keeps the drive accessible outside the air passage.

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Pengenalan Produk

The small multi-blade assembly combines sealed blade edges with an external drive mechanism. Unlike a stored curtain, the pivoting blades remain within the frame and close together across the passage.

Ciri-ciri Utama

A single assembly addresses both smoke leakage control and thermal closure.
External actuation keeps the drive accessible outside the air passage.

Parameter teknikal

Nominal Opening	305 x 305 mm
Blade Arrangement	Linked multi-blade
Frame Material	Galvanized steel
Blade Profile	Formed 3V steel
Leakage Configuration	Class I
Fire Resistance Configuration	1.5 hours
Maximum Velocity	2000 fpm
Maximum Pressure	4 in. w.g.
Elevated Temperature Configuration	350 °F (177 °C)
Penyesuaian	Available for the intended partition, duct size and control arrangement.

Applications

Small combined fire-and-smoke barriers
Laboratory branch penetrations

Solutions for Your Application

Separate fire and smoke components consume too much duct length.

The linked-blade configuration combines the two closure functions in one location.

The actuator may be inaccessible after installation.

An external drive arrangement permits its service side to face a planned access opening.

Pilihan yang boleh didapati

Actuator supply selection
Blade position indication
Sleeve length

Planning a Combination Fire and Smoke Damper 305 x 305 mm Class I specification?

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