Description
The Siemens Building Technology 331-4313 is a commercial-grade pneumatic actuator engineered for reliable valve and damper positioning in building automation and HVAC control systems. Featuring a #3 actuator configuration with a 3–7 lb spring range and a 2-3/8″ stroke, this fixed-mount (FX MT) unit delivers consistent, repeatable actuation force for demanding commercial and industrial applications.
Designed to integrate seamlessly into pneumatic control systems, the 331-4313 provides dependable modulating action that ensures precise positioning of valves and dampers throughout the system. Its fixed-mount design simplifies installation and reduces setup time, making it a trusted choice for building automation engineers and HVAC contractors.
Key Features
- Actuator Type: Pneumatic (#3 configuration)
- Spring Range: 3–7 lb
- Stroke: 2-3/8″
- Mount Style: Fixed Mount (FX MT)
- Designed for commercial HVAC and building automation applications
- Provides consistent, repeatable modulating actuation
- Simplified installation with fixed-mount design
- Siemens Building Technology quality construction
Applications
- Pneumatic valve actuation in commercial HVAC systems
- Damper positioning in air handling and ventilation systems
- Building automation and direct digital control (DDC) integration
- Retrofit and replacement in existing Siemens pneumatic control systems







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