STJH-MANUAL-VOLUME-CONTROL-DAMPER-900X900

Manual Volume Control Damper 900 x 900 mm

Large hand-set multi-blade damper for trunk airflow adjustment.

Broad frame accommodates trunk-scale openings.
Mechanical linkage coordinates the full blade bank.

Введение продукции

The broad 900 mm square assembly spreads manual control over a large duct face. A linked blade bank is operated from the side, providing a retained balancing position on main supply or return routes where continuous remote modulation is not needed.

Основные характеристики

Broad frame accommodates trunk-scale openings.
Mechanical linkage coordinates the full blade bank.

Технические параметры

Nominal Size	900 × 900 mm
Frame Finish	Galvanized steel
Blade Type	3V galvanized steel
Operating Method	Manual quadrant; jackshaft option
Maximum Velocity	3000 fpm
Maximum Pressure	5 in. w.g.
Adjustment Mode	Fixed-angle balancing
Connection Form	Square duct frame
Drive Energy	Hand operated
Customization	Available for the intended trunk layout and service environment.

Applications

Main return duct balancing
Large fixed-volume supply trunks

Solutions for Your Application

A large branch dominates the system airflow split.

The broad blade bank introduces an adjustable restriction across the trunk.

Operating a large bank from a difficult location is inconvenient.

A shaft extension or jackshaft arrangement can bring adjustment to an accessible side.

Доступные варианты

Extended jackshaft
Mounting sleeve

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