Overview
The Belimo B348+AFRX24-MFT-S is a 2-inch 3-way characterized control valve combination featuring high flow capacity, a spring return MFT actuator, and dual auxiliary switches for complete control and system status feedback.
Features
- High flow rating of Cv 37 in a 2-inch NPT 3-way valve configuration
- Multi-Function Technology for customizable control parameters
- Integrated dual SPDT auxiliary switches for auxiliary device control or feedback
- Mechanical spring return fail-safe mechanism for emergency system protection
- Stainless steel internal trim ensures longevity and smooth operation
Specifications
- Valve Size: 2 inch NPT
- Valve Type: 3-Way Characterized Control Valve
- Flow Coefficient: Cv 37
- Control Signal: Multi-Function Technology (2-10 V, 4-20 mA, On/Off, Floating)
- Auxiliary Switches: 2x SPDT
- Supply Voltage: AC/DC 24 V
Applications
- Commercial air handling unit coil mixing and diverting
- High-flow HVAC hydronic loops requiring auxiliary switch signaling
- Building automation systems requiring fail-safe hydronic control





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