Description
Belimo B249VS 2″ NPT 2-Way Ball Valve Overview
The Belimo B249VS is a heavy-duty 2-inch NPT, 2-way ball valve engineered for demanding HVAC hydronic and steam applications. Featuring a bronze body with a stainless steel ball and stem, this valve delivers exceptional corrosion resistance and long-term reliability in commercial and industrial environments. With a high flow coefficient of 108 Cv and a modified equal percentage flow characteristic, the B249VS provides precise, stable flow control across a wide range of system conditions.
Key Features
- 2-inch NPT end connections for straightforward installation into standard piping systems
- 2-way valve configuration for on/off or modulating flow control
- 108 Cv flow coefficient for high-capacity flow performance
- Modified equal percentage flow characteristic for accurate, linear control response
- Bronze body construction for durability and corrosion resistance
- Stainless steel ball and stem for enhanced resistance to corrosion and wear
- Rated for hot water applications up to 280°F maximum
- Compatible with chilled water, hot water, and steam systems
- Supports glycol solutions up to 60% concentration
Application Suitability
- Chilled water systems — air handling units, fan coil units, and cooling coils
- Hot water heating systems — boilers, radiators, and hydronic distribution
- Steam applications — low- and medium-pressure steam distribution and control
- Glycol-based systems — antifreeze loops and freeze protection circuits up to 60% glycol
Specifications
- SKU: B249VS
- Brand: Belimo
- Valve Type: Ball Valve
- Connection Size: 2 inch
- Connection Type: NPT (National Pipe Thread)
- Flow Coefficient (Cv): 108
- Flow Characteristic: Modified Equal Percentage
- Valve Configuration: 2-Way
- Body Material: Bronze
- Ball and Stem Material: Stainless Steel
- Maximum Hot Water Temperature: 280°F
- Maximum Glycol Concentration: 60%
- Compatible Media: Chilled Water, Hot Water, Steam
Why Choose the Belimo B249VS?
Belimo is a globally recognized leader in HVAC valve and actuator technology. The B249VS is designed to pair with Belimo actuators, enabling precise automated flow control in building automation and energy management systems. Its robust materials and wide application compatibility make it a versatile choice for mechanical contractors, engineers, and facility managers seeking reliable, long-service-life components.
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