STJH-MANUAL-VOLUME-CONTROL-DAMPER-600X600

Manual Volume Control Damper 600 x 600 mm

Mid-size manual damper for balancing multi-terminal branches.

Linked blades adjust together from one accessible shaft.
A larger opening suits medium rectangular distribution ducts.

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Product Introduction

A 600 mm square frame distributes adjustment across linked galvanized blades. Its larger face area fits branches serving several terminals, while the side-mounted handle provides a direct mechanical setting that can be revisited during airflow balancing.

Key Features

Linked blades adjust together from one accessible shaft.
A larger opening suits medium rectangular distribution ducts.

Technical Parameters

Face Dimensions	600 × 600 mm
Construction	Galvanized steel frame and blades
Blade Stiffening	Three longitudinal V grooves
Adjustment	Manual quadrant
Velocity Limit	3000 fpm
Pressure Limit	5 in. w.g.
Control Retention	Lockable blade position
Duct Form	Rectangular
Electrical Connection	Not required
Customization	Dimensions and handle access can suit the intended application.

Applications

Balancing supply to terminal groups
Medium extract-air distribution branches

Solutions for Your Application

Individual branch flows differ after terminal changes.

The external handle permits a new balanced setting without installing a motor.

Longer blades need stiffness.

The folded 3V profile reinforces each blade across the opening.

Available Options

Opposed-blade action
Companion duct flanges

Planning a Manual Volume Control Damper 600 x 600 mm specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

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