Description
Siemens Building Technology 331-4825 Pneumatic Actuator Overview
The Siemens Building Technology 331-4825 is a #3 pneumatic actuator engineered for reliable, precise control in commercial and industrial HVAC systems. Featuring an 8–13 PSI spring range and a 2-3/4″ stroke, this actuator delivers consistent positioning performance for valve and damper applications where dependable pneumatic actuation is critical.
Key Features
- Pneumatic actuator designed for commercial HVAC and building automation systems
- Spring range: 8–13 PSI for accurate, repeatable positioning
- Stroke length: 2-3/4″ for broad compatibility with valve and damper linkages
- #3 actuator classification for proper sizing and application matching
- Robust construction engineered for long service life in demanding environments
- Direct replacement for compatible Siemens Building Technology pneumatic control systems
Application
The 331-4825 is ideal for use in building automation and HVAC control systems requiring pneumatic valve or damper actuation. Its 8–13 PSI operating range integrates seamlessly with standard pneumatic control air supplies, making it a versatile choice for retrofit and new-construction commercial projects.
Product Specifications
- Brand: Siemens Building Technology
- SKU / Part Number: 331-4825
- Actuator Type: Pneumatic (#3)
- Spring Range: 8–13 PSI
- Stroke: 2-3/4″







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