Description
Siemens 599-10311S Two-Way Ball Valve Overview
The Siemens 599-10311S is a high-quality 3/4″ NPT two-way ball valve engineered for precise flow control in commercial HVAC and building automation hydronic systems. Featuring an equal percentage flow characteristic, this valve delivers accurate, proportional modulation across its full operating range — ideal for heating and cooling coil applications where tight control is essential.
Key Features
- 3/4″ NPT end connections for straightforward installation into standard piping systems
- 25 Cv flow coefficient for reliable, high-capacity flow performance
- Two-way equal percentage flow characteristic for precise, stable modulation
- Brass valve body for excellent corrosion resistance and long service life
- Stainless steel ball and stem for enhanced durability and resistance to wear
- Designed for compatibility with Siemens Building Technology actuators
- Suitable for use in hot water, chilled water, and glycol hydronic systems
Applications
- Commercial HVAC hydronic heating and cooling systems
- Building automation and direct digital control (DDC) systems
- Air handling unit coil control
- Fan coil unit flow regulation
- Variable flow hydronic distribution systems
Product Specifications
- SKU: 599-10311S
- Brand: Siemens Building Technology
- Valve Type: Two-Way Ball Valve
- Connection Size: 3/4″
- Connection Type: NPT (National Pipe Thread)
- Flow Coefficient (Cv): 25
- Flow Characteristic: Equal Percentage
- Body Material: Brass
- Ball and Stem Material: Stainless Steel
Why Choose the Siemens 599-10311S?
Siemens Building Technology is a globally recognized leader in HVAC controls and building automation. The 599-10311S ball valve is purpose-built to integrate seamlessly with Siemens actuators, offering reliable, long-lasting performance in demanding commercial environments. The combination of a brass body with a stainless steel ball and stem ensures superior resistance to corrosion, scaling, and mechanical wear — reducing maintenance requirements and total cost of ownership.
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