Description
The Belimo F6125HD is a 2-way, 5-inch heavy-duty butterfly valve body designed for demanding commercial and industrial HVAC hydronic applications. Engineered by Belimo — a global leader in actuator and valve technology — this valve body delivers precise, reliable flow control in heating and cooling systems where performance and longevity are critical.
Product Overview
The F6125HD butterfly valve body is sold as a body-only unit, offering the flexibility to pair it with the compatible Belimo actuator of your choice. Its 2-way configuration makes it ideal for on/off and modulating control of water, glycol solutions, and other compatible hydronic media in commercial HVAC systems.
Key Features
- 2-way butterfly valve body for precise flow control
- 5-inch (DN125) pipe size for large commercial applications
- Heavy-duty construction for long service life in demanding environments
- Body-only design — compatible with Belimo actuators for flexible system configuration
- Suitable for heating and cooling hydronic systems
- Engineered for low pressure drop and energy-efficient operation
- Designed for easy installation and maintenance
Applications
- Commercial HVAC hydronic heating and cooling systems
- Air handling units (AHUs)
- Chilled water and hot water distribution systems
- Fan coil units and terminal equipment
- Industrial process flow control
Why Choose Belimo?
Belimo is a trusted name in HVAC valve and actuator technology, known for precision engineering, energy efficiency, and industry-leading reliability. The F6125HD upholds that standard with a robust body construction that stands up to the rigors of large commercial installations.







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