Siemens Building Technology 259-02032 Valve Assembly Normally Open Electronic Actuator HVAC Control Valves & Actuators - 1/2-Inch

The Siemens Building Technology 259-02032 is a 1/2-inch valve assembly designed for precise control in HVAC and building automation systems. This normally open valve features a modified equal percentage flow characteristic, providing accurate modulating control for heating, cooling, and hydronic applications.

Key Features:

• 1/2-inch nominal size with female NPT connections on both ends for easy installation
• 0.63 Cv flow coefficient for optimal flow control in small-diameter piping systems
• Brass trim construction ensures durability and resistance to corrosion
• Electronic floating actuator with fail-in-place functionality maintains last position during power loss
• Modified equal percentage flow characteristic delivers superior control across the operating range
• Normally open configuration allows full flow when de-energized
• Two-way valve design for simple integration into heating and cooling systems

This valve assembly is ideal for use in commercial and industrial building automation systems where reliable, precise control of water or glycol-based fluids is required. The electronic actuator provides smooth, quiet operation with floating control signals from compatible thermostats or building management systems.