Description
The Siemens 599-10303 is a precision-engineered two-way ball valve designed for commercial HVAC hydronic and building automation applications. Featuring an equal percentage flow characteristic, this valve delivers accurate, repeatable flow modulation across its full operating range — making it an ideal choice for variable flow systems, fan coil units, and air handling unit coil control.
Construction & Materials
- Brass body construction for durability and corrosion resistance
- Chrome-plated brass ball for smooth, long-lasting operation
- Brass stem for reliable torque transmission and leak-free performance
- 1/2″ NPT end connections for standard pipe compatibility
Flow & Performance
- Flow coefficient (Cv): 1.6
- Two-way valve configuration for on/off or modulating control
- Equal percentage flow characteristic for precise proportional control
- Designed for use with compatible Siemens actuators (sold separately)
Key Features
- Part of the Siemens Building Technologies valve portfolio
- Compatible with a wide range of Siemens electric and pneumatic actuators
- Suitable for chilled water, hot water, and glycol applications
- Compact design for easy installation in tight mechanical spaces
- Reliable performance in commercial building automation and HVAC systems
Typical Applications
- Fan coil unit coil control
- Air handling unit heating and cooling coils
- Variable flow hydronic systems
- Building automation and DDC control systems
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