B339+AFRX24-MFT-S Belimo Valve Actuator Combination
$805.20
Characterized Control Valve (CCV), 1 1/2″, 3-way, Cv 29 |Configurable
Valve Actuator, Spring return, AC/DC 24 V, 2…10 V, 2 x SPDT, MFT/programmable
Overview
The Belimo B339+AFRX24-MFT-S is a 3-way characterized control valve combination designed for precise hydronic flow control in commercial HVAC systems. It pairs a 1-1/2-inch stainless steel trimmed valve with a spring return 24V actuator equipped with Multi-Function Technology and dual auxiliary switches.
Features
- Multi-Function Technology allows custom field configuration of control parameters
- Spring return mechanism provides reliable fail-safe positioning upon power loss
- Integrated dual SPDT auxiliary switches for signaling and position feedback
- Stainless steel ball and stem ensure long-term corrosion resistance and durability
- Equal percentage flow characterization for smooth, linear temperature regulation
Specifications
- Valve Size: 1-1/2 inch NPT
- Valve Type: 3-Way Characterized Control Valve
- Flow Coefficient: Cv 29
- 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
- Hot and chilled water coil control in air handling units
- Hydronic mixing and diverting loops in commercial climate control systems
- HVAC central plant and fan coil unit flow regulation
| Weight | 10 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
| Actuator Type | Spring Return |
| Auxiliary Switch | 2 x SPDT |
| Control Type | MFT/Programmable |
| Torque | 180 in-lb [20 Nm] |
| Voltage | AC/DC 24 V |
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