Belimo B318B+TFRB24-3 Brass Ball Valve with Floating Actuator - 3-Way 0.75 24V

The Belimo B318B+TFRB24-3 is a complete control valve assembly combining a 3/4-inch brass ball valve with a 24-volt floating control actuator with spring return. This compact valve package is designed for HVAC hydronic applications requiring reliable proportional flow control.

Key Specifications:

• Valve Size: 3/4 inch (0.75") NPT threaded connections
• Configuration: 3-way mixing or diverting service
• Flow Coefficient (Cv): 7.4
• Actuator: TFRB24-3 floating control with spring return
• Voltage: 24V AC/DC
• Torque: 22 lb-in spring return force
• Control: On/Off/Floating point positioning
• Construction: Brass valve body with chromium-plated brass ball

Features:

• Spring return actuator provides fail-safe positioning on power loss
• Floating control allows proportional positioning from external controller
• Compact design for easy installation in tight spaces
• Factory assembled and tested valve/actuator combination
• Suitable for hot and chilled water applications

This valve assembly is ideal for zone control, mixing applications, and changeover systems in commercial HVAC installations. The floating control interface allows integration with most building automation systems and standalone controllers.