STJH-MOTORIZED-VOLUME-CONTROL-DAMPER-1000X840-20NM

Motorized Volume Control Damper 1000 x 840 mm Opposed-Blade 20 Nm

Medium-large opposed-blade control with a 20 Nm actuator.

Drive selection covers the 15 Nm minimum torque.
Analogue modulation supports changing trunk airflow demand.

Introduction de produit

The 1000 mm-wide casing carries a deeper blade bank for larger rectangular branches. Its selected drive exceeds the listed minimum torque for this opening, while the external linkage preserves access to the moving mechanism outside the main air path.

Key Features

Drive selection covers the 15 Nm minimum torque.
Analogue modulation supports changing trunk airflow demand.

Paramètres techniques

Opening Size	1000 × 840 mm
Casing	Galvanized steel
Blade Geometry	Opposed aerofoil
Required Minimum Torque	15 Nm
Actuator Output Torque	20 Nm
Power Input	24 V AC/DC
Demand Signal	2–10 V DC
Feedback Signal	2–10 V DC
Actuator Enclosure	IP54
Customisation	Available for the intended medium-large duct application and environment.

Applications

Medium-large cleanroom supply trunks
Modulating return-air branches

Solutions for Your Application

A small actuator may stall on a wider blade bank.

The 20 Nm selection provides capacity above the opening's published minimum.

Maintenance staff need access to the drive train.

The actuator and blade linkage are located outside the duct opening.

Options disponibles

End-position indication
Bearing and seal selections

Planning a Motorized Volume Control Damper 1000 x 840 mm Opposed-Blade 20 Nm specification?

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