Belimo B249VS+GKX24-MFT-X1
SKU: CS3356528MPN: B249VS+GKX24-MFT-X1
Ball Valve (VS), 2”, 2-way, Cv 108 |Configurable Valve Actuator, Electronic fail-safe, AC/DC 24 V, 2...10 V, MFT/programmable

Product Details
Ball Valve (VS), 2”, 2-way, Cv 108 |Configurable Valve Actuator, Electronic fail-safe, AC/DC 24 V, 2...10 V, MFT/programmable
Attributes
| Control | MFT/programmable |
| Valve Size | 2” [50] |
| Cv | 108.0 |
| Flow Pattern | 2-way |
| Fail-Safe | Electronic fail-safe 0…100% |
| Valve Trim | Stainless steel |
| Nominal Voltage | AC/DC 24 V |
| Close-Off Pressure ∆Ps | 600 psi |
| Transformer Sizing | 21 VA (class 2 power source) |
| Enclosure | UL Enclosure Type 2 |
| Pressure Independent | NO |
| Power Supply | 24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10% |
| Power Consumption In Operation | 12 W |
| Power Consumption In Rest Position | 3 W |
| Electrical Connection | 18 GA plenum cable with ½” conduit connector, degree of protection NEMA 2 / IP54, 3 ft [1 m] 10 ft [3 m] and 16ft [5 m] |
| Overload Protection | electronic throughout 0…95° rotation |
| Operating Range | 2…10 V (default), 4…20 mA w/ ZG-R01 (500 Ω, ¼ W resistor), variable (VDC, on/off, floating point) |
| Operating Range Y Variable | Start point 0.5…30 V End point 2.5…32 V |
| Input Impedance | 100 kΩ for 2…10 V (0.1 mA), 500 Ω for 4…20 mA, 1500 Ω for PWM, On/Off and Floating point |
| Position Feedback | 2…10 V, Max. 0.5 mA, VDC variable |
| Angle Of Rotation | Max. 95°, adjustable with mechanical stop |
| Direction Of Motion Motor | selectable with switch 0/1 |
| Position Indication | Mechanically, 30…65 mm stroke |
| Running Time (Motor) | default 150 s, variable 95…150 s |
| Running Time Fail-Safe | <35 s |
| Ambient Humidity | max. 95% r.H., non-condensing |
| Ambient Temperature | -22…122°F [-30…50°C] |
| Storage Temperature | -40…176°F [-40…80°C] |
| Fluid | chilled or hot water, up to 60% glycol, steam |
| Controllable Flow Range | 90° rotation |
| Pipe Connection | NPT female ends |
| Maximum Inlet Pressure (Steam) | 35 psi [241 kPa] |
| Max Differential Pressure (Steam) | 35 psi |
| Maximum Velocity | 15 FPS |
| Fluid Temp Range (Water) | -22…280°F [-30…138°C] |
| Degree Of Protection Iec/En | IP54 |
| Degree Of Protection Nema/Ul | NEMA 2 |
| Connection | cable |
| Cv Range [Gpm] | 48…197 |
| Pipe Connection Type | internal thread |
| Kvs Range [M³/H] | 41…170 m³/h |
| Flow Characteristic | modified equal percentage |
| Servicing | maintenance-free |
| Valve Body | Bronze B584-C84400 |
| Stem | 316 stainless steel |
| Seat | RPTFE |
| Stem Seal | RPTFE |
| Housing Material | UL94-5VA |
| Nominal Voltage Dc | 24 V |
| Nominal Voltage Ac | 24 V |
| Noise Level, Motor | 52 dB(A) |
| Body Pressure Rating | 600 psig WOG psi |
| Quality Standard | ISO 9001 |
| Noise Level, Fail-Safe | 61 dB(A) |
| Retainer | B584-C84400 bronze |
| Lock Nut | stainless steel |
| Housing Seal | PTFE |
| Ball | 316 stainless steel |
| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU; Listed to UL 2043 - suitable for use in air plenums per Section 300.22© of the NEC and Section 602.2 of the IMC |
| Fail-Safe Function | Electronic fail-safe |
| Control Type Web | MFT/Programmable |
| Fail-Safe | YES |
Specifications
| SKU | CS3356528 |
|---|---|
| MPN | B249VS+GKX24-MFT-X1 |









