Belimo B215HT455+TR24-SR Proportional Control Valve Cv - 1/2 2-Way 24V 4.55

The Belimo B215HT455+TR24-SR is a high-temperature brass ball valve assembly designed for hydronic HVAC control applications. This 1/2-inch two-way valve features a 4.55 Cv flow coefficient and comes factory-assembled with a TR24-SR non-spring return proportional actuator.

Key Features:

• 1/2" NPT threaded connections for easy installation
• 4.55 Cv flow capacity suitable for small zone control
• 24V proportional control actuator with 2-10 VDC modulating input signal
• Non-spring return actuator for fail-in-place operation during power loss
• High-temperature brass construction for durability in heating applications
• Characterized control valve (HTCCV) design for linear flow control
• Factory-assembled and tested valve/actuator assembly
• Compact design for installation in tight mechanical spaces

This proportional control valve assembly is ideal for hydronic heating and cooling systems requiring precise modulating control. The 2-10 VDC control signal allows integration with building automation systems, DDC controllers, and other analog control devices. The non-spring return actuator maintains valve position during power interruptions, making it suitable for applications where fail-in-place operation is preferred.