Description
The Belimo B249VS+GMX24-MFT-X1 is a factory-assembled 2-way ball control valve with a high-torque programmable actuator for precise hydronic and steam flow control. It combines a DN 2-inch characterized ball valve with a 24 V AC/DC MFT actuator to deliver accurate modulation and reliable performance in demanding HVAC applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Belimo |
| Category |
HVAC Control Components |
| Part Number |
B249VS+GMX24-MFT-X1 |
| Subcategory |
Ball Control Valves |
| Valve Type |
Ball Valve (VS) |
| Valve Size |
2 in (DN 50) |
| Flow Pattern |
2-way |
| Cv Rating |
108 |
| Flow Characteristic |
Modified equal percentage |
| Controllable Flow Range |
90° rotation |
| Leakage Rate |
ANSI Class VI |
| Body Pressure Rating |
600 psig WOG |
| Close-Off Pressure |
600 psi |
| Fluid Compatibility |
Chilled or hot water, up to 60% glycol, steam |
| Fluid Temperature Range |
−30…138°C (−22…280°F) |
| Maximum Steam Pressure |
35 psi |
| Maximum Velocity |
15 FPS |
| End Connection |
NPT female |
| Valve Body Material |
Bronze B584-C84400 |
| Ball Material |
316 stainless steel |
| Stem Material |
316 stainless steel |
| Seat / Seal Materials |
RPTFE / PTFE |
| Actuator Type |
Electric, Non-Fail-Safe, MFT Programmable |
| Actuator Voltage |
AC/DC 24 V |
| Control Signal |
2–10 V (4–20 mA optional) |
| Torque Output |
40 Nm (360 in-lb) |
| Power Consumption (Operation) |
4.5 W |
| Power Consumption (Rest) |
1.5 W |
| Transformer Sizing |
7 VA |
| Running Time |
150 s / 90° (adjustable 90–150 s) |
| Electrical Connection |
18 GA cable, 1 m, 1/2 in NPT |
| Overload Protection |
Electronic, full rotation |
| Weight |
9.6 lb |
Information About B249VS+GMX24-MFT-X1
The B249VS+GMX24-MFT-X1 is a Belimo ball valve assembly engineered for high-flow, high-pressure HVAC and process control applications. The valve features a modified equal percentage characteristic that improves control accuracy across varying load conditions while maintaining tight shutoff performance. Its bronze body and stainless steel trim support long-term durability in water, glycol, and low-pressure steam systems. The factory-mounted MFT actuator provides flexible programming options, allowing the valve to integrate seamlessly with modern building automation platforms.
Key Features
- High-capacity ball valve design: Cv 108 rating supports efficient control of large flow volumes in 2-inch piping systems.
- Modified equal percentage characteristic: Enhances modulation accuracy and stability across the full operating range.
- Programmable MFT actuator: Allows configuration of control modes, signal types, and operating ranges to match system requirements.
- High torque actuation: Delivers 40 Nm of torque to ensure reliable valve operation under high differential pressures.
- Wide media compatibility: Suitable for chilled water, hot water, glycol mixtures, and low-pressure steam applications.
- Tight shutoff performance: ANSI Class VI leakage rating ensures precise isolation and energy-efficient system operation.
- Factory-assembled solution: Supplied with actuator fitted to ensure correct alignment, performance, and simplified installation.
The B249VS+GMX24-MFT-X1 delivers the reliability and precision required for accurate high-flow modulation and programmable control in commercial HVAC and building automation systems.
