Belimo B312B+LRB24-SR-T NPT Characterized Control Valve - 1/2 24V

The Belimo B312B+LRB24-SR-T is a high-performance characterized control valve assembly designed for precise modulating control in HVAC hydronic systems. This compact unit combines a bronze ball valve body with an integrated electronic actuator for reliable flow regulation in heating and cooling applications.

Key Specifications:

• Valve connection: 1/2" NPT threaded female connections
• Flow coefficient (Cv): 3.0 for precise flow control
• Actuator voltage: 24V AC/DC
• Control type: Non-spring return (NSR) proportional control
• Input signal: 0-10 VDC or 2-10 VDC modulating signal
• Actuator torque: 35 in-lbs for positive shutoff
• Includes terminal connections for simplified wiring

Features & Benefits:

• Characterized ball valve design provides linear flow control throughout the operating range
• Fast 150-second running time for responsive system control
• Built-in auxiliary switches for system status feedback
• Compact design saves installation space in mechanical rooms
• Manual override capability for testing and emergency operation
• Bronze body construction ensures durability and corrosion resistance

Ideal for use in chilled water systems, hot water heating systems, fan coil units, and small commercial HVAC applications requiring accurate temperature and flow control. The SR-T designation indicates this model includes spring return actuator functionality with terminal connections for easy integration into building automation systems.