Description
Siemens 277-03205 Three-Way Mixing Valve Assembly with Pneumatic Actuator
The Siemens 277-03205 is a complete three-way mixing valve assembly engineered for precise hydronic flow control in commercial and industrial HVAC systems. Combining a durable bronze body with brass trim and a factory-mounted 8-inch pneumatic actuator, this assembly delivers reliable, repeatable modulating performance straight out of the box.
Valve Body Features
- Three-way mixing configuration for blending or diverting hydronic flow
- 1-1/2″ NPT end connections for straightforward pipe installation
- 25 Cv flow coefficient for high-capacity hydronic applications
- Bronze body construction for excellent corrosion resistance
- Brass trim components for long-term durability and reliability
Pneumatic Actuator Specifications
- 8-inch pneumatic actuator for positive, proportional valve positioning
- 5 PSI spring span with adjustable spring range for flexible control setpoints
- Pneumatic operation compatible with standard building automation compressed air systems
- Factory-assembled and matched to the valve body for optimized performance
Application Highlights
- Ideal for heating and cooling coil control in air handling units
- Suitable for mixing, diverting, and bypass hydronic piping configurations
- Compatible with pneumatic control systems in commercial building automation
- Designed for HVAC hydronic systems requiring dependable modulating control
Why Choose the Siemens 277-03205
Siemens Building Technology products are trusted throughout the commercial HVAC industry for their precision engineering and long service life. The 277-03205 ships as a complete, pre-assembled valve and actuator package, reducing installation time and ensuring proper component matching. The adjustable spring range on the pneumatic actuator allows field technicians to fine-tune the control signal range to match existing pneumatic systems without additional hardware.
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