Description
The Siemens Building Technology 331-4810 is a Size 3 pneumatic actuator engineered for reliable, precise control in commercial and industrial HVAC systems. Designed for front-mount installation, this actuator features an 8–13 PSI spring range and a 2-3/8″ stroke, making it well-suited for damper and valve control applications that demand consistent, repeatable performance.
Built to Siemens’ exacting standards, the 331-4810 delivers dependable pneumatic actuation in building automation environments where accuracy and durability are critical. Its front-mount configuration simplifies installation and servicing, while the defined stroke length ensures compatibility with a wide range of HVAC control assemblies.
Key Features
- Size 3 pneumatic actuator for commercial and industrial HVAC applications
- Spring range: 8–13 PSI for precise pneumatic control response
- Stroke length: 2-3/8″ for accurate valve or damper positioning
- Front mount (FRT MT) design for straightforward installation and maintenance access
- Manufactured by Siemens Building Technology — a trusted name in building automation and controls
Specifications
- SKU: 331-4810
- Brand: Siemens Building Technology
- Actuator Size: #3
- Spring Range: 8–13 PSI
- Mount Type: Front Mount
- Stroke: 2-3/8″
- Actuator Type: Pneumatic
Applications
- Commercial building HVAC damper and valve control
- Building automation and pneumatic control systems
- Replacement or upgrade of existing Siemens pneumatic actuator assemblies







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