STJH-VARIABLE-AIR-VOLUME-CONTROL-DAMPER-DN200

Variable Air Volume Control Damper DN200 Electronic

Mid-size variable airflow control for cleanroom zones with changing demand.

Averaging pickup senses flow across the circular passage.
Modulating operation supports variable zone ventilation.

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Introducción del producto

The 200 mm body accommodates a broader air passage while retaining an integral sensing station. Its controller drives the blade continuously between flow settings, allowing a zone branch to respond to occupancy or thermal demand without repeated manual balancing.

Características clave

Averaging pickup senses flow across the circular passage.
Modulating operation supports variable zone ventilation.

Parámetros técnicos

Nominal Diameter	200 mm
Body Construction	Circular galvanized steel casing
Damper Element	Rotating circular blade
Sensor Type	Dynamic differential-pressure sensing
Flow Turndown	Approximately 10–100% of nominal flow
Maximum Pressure Difference	1000 Pa
Temperature Range	10–50 °C
Electrical Supply	24 V AC/DC controller option
Setpoint Input	0–10 V DC with compatible controller
Customization	Control components can be selected for the intended application and environment.

Applications

Occupied clean manufacturing zones
Variable supply to groups of ceiling terminals

Solutions for Your Application

Room demand changes after the branch has been balanced.

An external demand signal resets the controlled volume without mechanically repositioning a handle.

A controller must remain reachable for service.

Electronics and tubing are mounted outside the duct casing.

Opciones disponibles

Building-control interface
Insulated casing version

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