Description
Overview
The Siemens Building Technology 258-02069 is a factory-assembled 3-way mixing valve designed for precise hydronic flow control in commercial HVAC and building automation systems. Combining a forged brass valve body with a pneumatic actuator, this assembly delivers reliable, repeatable performance in demanding mechanical room environments.
Valve Features
- 3-way mixing configuration for blending or diverting hydronic flow
- 1/2″ NPT end connections for straightforward installation into standard piping systems
- 4.0 Cv flow coefficient for accurate flow capacity sizing
- Equal percentage flow characteristic for stable, proportional control across the full stroke range
- Forged brass body construction for durability and corrosion resistance
- Brass trim for compatibility with hydronic water systems
Pneumatic Actuator Features
- Pneumatic actuator with an 8–13 PSI spring range for direct integration with pneumatic control systems
- Factory-mounted and pre-assembled for reduced installation time
- Designed for use with standard compressed air pneumatic control signals
Typical Applications
- Commercial hydronic heating and cooling systems
- Building automation and DDC/pneumatic control systems
- Air handling unit coil control
- Fan coil unit water flow regulation
- Mixing and diverting service in HVAC piping networks
Product Specifications
- SKU: 258-02069
- Brand: Siemens Building Technology
- Valve Type: 3-Way Mixing
- Connection Size: 1/2″ NPT
- Flow Coefficient (Cv): 4.0
- Flow Characteristic: Equal Percentage
- Body Material: Forged Brass
- Trim Material: Brass
- Actuator Type: Pneumatic
- Spring Range: 8–13 PSI
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