B2050VS-01+GRX24-MFT-T N4 1/2 in. 2-Way Ball Valve with Non-Spring Return Actuator, 24 VAC/DC, MFT
Modified equal percentage ball valve for chilled or hot water, up to 60% glycol, or steam up to 35 psi inlet, with multi-function (MFT) control. MFT ships set for 2-10 VDC; order a programming code, or reprogram with Belimo Assistant 2 or ZTH US, for other signals. Holds position on power loss.
Key Features
- Cv: 1
- Close-off: 600 psi
- Control: MFT (programmable)
- Running time: 150 s
Product Specifications
| Manufacturer | Belimo |
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| Model | B2050VS01GRX24MFTTN4 (B2050VS-01+GRX24-MFT-T N4) |
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| Valve | B2050VS-01 |
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| Valve size | 0.5" (15) |
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| Fluid | chilled or hot water, up to 60% glycol, steam |
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| Fluid Temp Range (water) | -22 to 280 deg F (-30 to 138 deg C) |
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| Body Pressure Rating | 600 psig WOG |
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| Close-off pressure | 600 psi |
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| Flow characteristic | modified equal percentage |
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| Leakage rate | ANSI Class VI |
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| Pipe connection | Internal thread NPT (female) |
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| Max Differential Pressure (Steam) | 35 psi |
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| Flow Pattern | 2-way |
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| Controllable flow range | 90 deg rotation |
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| Cv | 1 |
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| Maximum Inlet Pressure (Steam) | 35 psi (241 kPa) |
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| Valve body | Bronze B584-C84400 |
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| Housing seal | PTFE |
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| Stem | 316 stainless steel |
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| Stem seal | RPTFE |
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| Seat | RPTFE |
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| Lock nut | stainless steel |
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| Retainer | B16 Brass |
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| Ball | 316 stainless steel |
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| Suitable actuators, non-spring return | LMB(X) GRCB(X) GRB(X) |
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| Suitable actuators, spring return | LF |
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Actuator: GRX24-MFT-T N4
| Nominal voltage | AC/DC 24 V |
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| Nominal voltage frequency | 50/60 Hz |
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| Nominal voltage range | AC 19.2 to 28.8 V / DC 21.6 to 28.8 V |
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| Power consumption in operation | 8W |
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| Power consumption in rest position | 2.5 W |
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| Transformer sizing | 11 VA |
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| Overload Protection | electronic thoughout 0 to 90 deg rotation |
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| Operating range Y | 2 to 10 V |
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| Operating range Y note | 4 to 20 mA w/ ZG-R01 (500 Ω, 1/4 W resistor) |
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| Input impedance | 600 Ω |
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| Operating range Y variable | Start point 0.5 to 30 V End point 2.5 to 32 V |
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| Operating modes optional | variable (VDC, on/off, floating point) |
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| Position feedback U | 2 to 10 V |
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| Position feedback U note | Max. 0.5 mA |
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| Position feedback U variable | VDC variable |
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| Direction of motion motor | selectable with switch 0/1 |
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| Manual override | under cover |
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| Angle of rotation | 90 deg |
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| Angle of rotation note | adjustable with mechanical stop |
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| Running time (motor) | 150 s / 90 deg |
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| Running time motor variable | 90 to 150 s |
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| Sound power level motor | 45 dB(A) |
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| Position indication | Mechanical, 30 to 65 mm stroke |
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| Power source UL | Class 2 Supply |
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| Degree of protection IEC/EN | IP66/67 |
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| Degree of protection NEMA/UL | NEMA 4X |
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| Housing | UL Enclosure Type 4X |
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| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU |
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| Quality Standard | ISO 9001 |
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| Ambient humidity | Max. 100% RH |
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| Ambient temperature | -22 to 122 deg F (-30 to 50 deg C) |
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| Ambient temperature note | -40 to 122 deg F (-40 to 50 deg C) for actuator with integrated heating |
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| Storage temperature | -40 to 176 deg F (-40 to 80 deg C) |
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| Servicing | maintenance-free |
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| Weight | 6.9 lb (3.1 kg) |
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| Housing material | Die cast aluminium and plastic casing |
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