Overview
The Belimo B351+AFRX24-MFT-S combines a 2-inch 3-way characterized control valve with stainless steel trim and an MFT spring return actuator equipped with an auxiliary switch. It delivers precise mixing/diverting control and fail-safe safety with status reporting.
Features
- Stainless steel ball and stem for enhanced durability
- Integrated auxiliary switch (-S) for position monitoring or interlocking
- Multi-Function Technology (MFT) for tailored control parameters
- Spring return fail-safe mechanism operates automatically upon power loss
- Equal percentage flow profile for smooth hydronic system modulation
Specifications
- Valve Size: 2 inches
- Flow Capacity: 68 Cv
- Body Trim: Stainless Steel
- Auxiliary Switch: Integrated (-S)
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA)
Applications
- 3-way hydronic mixing and diverting in HVAC systems
- Air handling unit water coils with safety interlocking
- Facility climate control loops requiring position indication




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