Description
Belimo B225HT464 High Temperature Ball Valve Overview
The Belimo B225HT464 is a precision-engineered 2-way ball valve designed for demanding hydronic and steam applications. Built with a robust brass body and a corrosion-resistant stainless steel ball and stem, this valve delivers reliable, long-lasting performance in high-temperature water systems up to 266°F (130°C) and low-pressure steam environments. Its equal percentage flow characteristic provides smooth, accurate flow modulation across the full stroke, making it an ideal choice for variable flow hydronic systems and building automation applications.
Key Features
- 1″ NPT end connections for straightforward installation into standard piping systems
- 4.64 Cv flow coefficient for precise flow capacity sizing
- 2-way configuration for on/off or modulating control
- Equal percentage flow characteristic for accurate, stable control across the operating range
- Brass body construction for durability and corrosion resistance
- Stainless steel ball and stem for enhanced reliability in high-temperature and glycol service
- Rated for high-temperature water service up to 266°F (130°C) maximum
- Compatible with low-pressure steam applications
- Supports glycol solutions up to 60% concentration
Specifications
- Brand: Belimo
- Model / SKU: B225HT464
- Valve Type: Ball Valve, 2-Way
- Connection Type: NPT (National Pipe Thread)
- Pipe Size: 1″
- Flow Coefficient (Cv): 4.64
- Flow Characteristic: Equal Percentage
- Body Material: Brass
- Ball & Stem Material: Stainless Steel
- Maximum Water Temperature: 266°F (130°C)
- Application: High-Temperature Hot Water, Low-Pressure Steam
- Glycol Compatibility: Up to 60% Glycol Solution
Applications
- High-temperature hydronic heating systems
- Low-pressure steam distribution and control
- Glycol-based heating and process systems
- Commercial and industrial building automation and HVAC controls
- Variable flow and modulating control loops
Why Choose Belimo?
Belimo is a globally recognized leader in HVAC actuator and valve technology, trusted by engineers and contractors for quality, precision, and reliability. The B225HT464 is engineered to pair seamlessly with Belimo actuators, providing a complete, factory-matched valve and actuator solution for your hydronic or steam control application.







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