Description
The Siemens 599-10321 is a heavy-duty two-way ball valve engineered for precise hydronic and HVAC system flow control. Featuring a 1-1/4″ NPT connection, a 100 Cv flow coefficient, and an equal percentage flow characteristic, this valve delivers accurate, repeatable modulation across a wide range of building automation and commercial HVAC applications.
Construction & Materials
- Brass body for corrosion resistance and long-term durability
- Chrome-plated brass ball for smooth, reliable operation and extended service life
- Brass stem for strength and resistance to wear
Flow & Connection Specifications
- Valve type: Two-way (2-way)
- Flow characteristic: Equal percentage — ideal for modulating control applications
- Flow coefficient (Cv): 100
- Connection type: NPT (National Pipe Thread)
- Connection size: 1-1/4″
Application & Compatibility
- Designed for use with compatible Siemens valve actuators in building automation systems
- Suitable for hot water, chilled water, and glycol hydronic systems
- Ideal for air handling units, fan coil units, and terminal unit control
- Part of the Siemens Building Technologies valve product line
Key Benefits
- Equal percentage flow characteristic provides stable control across varying load conditions
- High Cv rating (100) supports high-flow commercial and industrial installations
- NPT threading ensures compatibility with standard pipe fittings and easy field installation
- Durable brass and chrome-plated construction minimizes maintenance requirements
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