Overview
The Belimo B331+AFRX24-MFT-S combines a 3-way Characterized Control Valve (CCV) with an MFT spring return actuator and auxiliary switch for fail-safe mixing/diverting and position signaling.
Features
- 3-way CCV with stainless steel trim for excellent corrosion resistance
- Multi-Function Technology (MFT) enabling configurable control parameters
- Mechanical spring return provides dependable fail-safe positioning
- Integrated auxiliary switch for end-position verification and interlocking
Specifications
- Valve Size: 1-1/4 inches
- Flow Coefficient: Cv 25
- Valve Type: 3-way Characterized Control Valve (CCV)
- Trim Material: Stainless Steel
- Control Type: MFT / Programmable
- Actuator Type: Spring Return with Auxiliary Switch
Applications
- Mixing and diverting applications in commercial hydronic circuits
- Position feedback and system interlocks in HVAC water systems




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