Description
The Belimo F6125HD+PRBUP-MFT-T is a 5-inch, 2-way butterfly control valve assembly with a factory-fitted non fail-safe MFT programmable actuator. It provides high-capacity flow control with a Cv of 1022 and advanced analog and network communication for large hydronic HVAC systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Belimo |
| Category |
Control Valves |
| Part Number |
F6125HD+PRBUP-MFT-T |
| Subcategory |
Butterfly Valves |
| Valve Type |
Butterfly Valve (BFV) |
| Valve Size |
5 in (DN 125) |
| Flow Pattern |
2-way |
| Cv Rating |
1022 |
| Flow Characteristic |
Modified equal percentage |
| Body Pressure Rating |
ANSI Class Consistent with 125, 232 psi CWP |
| Close-Off Pressure |
200 psi |
| Leakage Rate |
0% |
| Pipe Connection |
Flanged, ASME/ANSI Class 125/150 |
| Maximum Velocity |
12 FPS |
| Fluid Compatibility |
Chilled or hot water, up to 60% glycol |
| Fluid Temperature Range |
-22…250°F (-30…120°C) |
| Valve Body Material |
Ductile cast iron ASTM A536 |
| Disc Material |
304 stainless steel |
| Stem Material |
416 stainless steel |
| Seat Material |
EPDM |
| Actuator Type |
Non spring return, MFT programmable |
| Nominal Voltage |
AC 24…240 V / DC 24…125 V |
| Power Consumption (Running) |
24 W |
| Power Consumption (Rest) |
8 W |
| Control Signals |
2…10 V, 4…20 mA, On/Off, Floating Point |
| Communication Protocols |
BACnet MS/TP, Modbus RTU, MP-Bus |
| Auxiliary Switches |
2 × SPDT |
| Running Time |
35 s / 90° (adjustable 30…120 s) |
| Degree of Protection |
IP66/67, NEMA 4X |
| Weight |
43 lb |
Information About F6125HD+PRBUP-MFT-T
The F6125HD+PRBUP-MFT-T is part of Belimo’s heavy-duty butterfly valve platform designed for precise flow control in large-diameter hydronic systems. The valve features a robust ductile iron body with epoxy coating and stainless steel trim to ensure long-term durability and reliable sealing performance. Its factory-mounted PRBUP-MFT-T actuator supports MFT programmable control, allowing configuration for analog, on/off, floating point, or network-based operation using BACnet MS/TP, Modbus RTU, or MP-Bus. Engineered for maintenance-free service, the assembly delivers consistent positioning accuracy and dependable performance in demanding HVAC environments.
Key Features
- High Capacity Butterfly Valve Design: 5-inch valve with a Cv of 1022 supports efficient flow control in high-volume hydronic distribution systems.
- Modified Equal Percentage Flow Characteristic: Optimized disc profile ensures smooth modulation and stable control across varying load conditions.
- Integrated MFT Programmable Actuator: Supports 2…10 V, 4…20 mA, on/off, floating point, and digital network control from a single configurable device.
- Non Fail-Safe Operation: Maintains the last commanded valve position during power loss for predictable system behavior.
- Native Network Communication: Built-in BACnet MS/TP, Modbus RTU, and MP-Bus enable seamless integration with building automation systems.
- Rugged Valve And Actuator Construction: Ductile iron body, stainless steel trim, and NEMA 4X / IP66/67 actuator enclosure support harsh mechanical and outdoor environments.
- Service-Friendly Commissioning: Manual override, integral position indication, and auxiliary switches simplify setup, testing, and system interlocking.
The F6125HD+PRBUP-MFT-T delivers the reliability and precision required for large-diameter butterfly valve control in commercial and industrial HVAC hydronic systems.
