STJH-MOTORIZED-VOLUME-CONTROL-DAMPER-1800X1170-40NM

Motorized Volume Control Damper 1800 x 1170 mm Opposed-Blade 40 Nm

Wide trunk damper with a 40 Nm modulating actuator.

40 Nm actuator covers the specified 30 Nm minimum requirement.
Wide landscape frame suits central ventilation routes.

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Product Introduction

A broad rectangular casing supports long opposed aerofoil blades for central distribution. The large external drive operates the linked bank from a low-voltage control signal, providing powered positioning across a much wider opening than compact branch dampers.

Key Features

40 Nm actuator covers the specified 30 Nm minimum requirement.
Wide landscape frame suits central ventilation routes.

Technical Parameters

Nominal Opening	1800 × 1170 mm
Frame Construction	Galvanized steel
Blade Motion	Opposed action
Minimum Torque Requirement	30 Nm
Actuator Rated Torque	40 Nm
Voltage	24 V AC/DC
Modulating Signal	2–10 V DC
Position Output	2–10 V DC
Drive Protection	IP54
Customization	Available for central duct dimensions and the intended operating environment.

Applications

Central cleanroom air distribution
High-volume plantroom return control

Solutions for Your Application

Long blades impose a higher operating load.

The selected high-torque drive operates the full bank through its external linkage.

A trunk must respond to changes across several zones.

Analogue modulation enables the main controller to reset the opening progressively.

Available Options

Auxiliary position switches
Alternative bearings

Planning a Motorized Volume Control Damper 1800 x 1170 mm Opposed-Blade 40 Nm specification?

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

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