Description
Siemens Building Technology 331-631 Shaft Extender Overview
The Siemens Building Technology 331-631 is a 1/2″ shaft extender engineered for use with Siemens actuators #3, #4, and #6. Designed to bridge the gap between actuator and valve or damper shaft connections, this accessory ensures accurate mechanical coupling and reliable operation in building automation and HVAC control applications. Its precision construction maintains proper alignment and torque transfer, helping to extend the service life of your actuator assembly.
Key Features
- 1/2″ shaft extender for compatible Siemens actuators
- Compatible with Siemens actuator models #3, #4, and #6
- Ensures precise mechanical alignment between actuator and valve/damper shaft
- Durable construction for long-term reliability in commercial HVAC systems
- Genuine Siemens Building Technology replacement accessory
- Simplifies installation and field retrofits
Applications
- Commercial building automation systems
- HVAC valve and damper actuator assemblies
- Retrofit and replacement installations requiring shaft extension
Compatibility
- Siemens Actuator #3
- Siemens Actuator #4
- Siemens Actuator #6
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