B2150VB-055+NFBUP-X1 1-1/2 in. 2-Way Ball Valve with Spring Return Actuator, 24-240 VAC/DC, On/Off
Equal percentage ball valve for chilled or hot water, up to 60% glycol, or steam up to 150 psi inlet, with on/off control. Fail position (open or closed) is set at the factory; state it when ordering.
Key Features
- Cv: 55
- Close-off: 250 psi
- Control: on/off
- Running time: 75 s
Product Specifications
| Manufacturer | Belimo |
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| Model | B2150VB055NFBUPX1 (B2150VB-055+NFBUP-X1) |
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| Valve | B2150VB-055 |
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| Valve size | 1.5" (40) |
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| Fluid | chilled or hot water, up to 60% glycol, steam |
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| Fluid Temp Range (water) | -22 to 380 deg F (-30 to 193 deg C) |
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| Fluid Temp Range (steam) | -22 to 380 deg F (-30 to 193 deg C) |
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| Body Pressure Rating | ANSI Class 300 |
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| Close-off pressure | 250 psi |
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| Flow characteristic | equal percentage |
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| Rangeability Sv | 300:1 |
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| Maximum differential pressure (water) | 150 psi |
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| Max Differential Pressure (Steam) | 100 psi |
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| Close-Off Pressure (Steam) | 150 psi |
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| Flow Pattern | 2-way |
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| Leakage rate | ANSI Class IV |
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| Controllable flow range | 75 deg |
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| Cv | 55 |
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| Maximum Inlet Pressure (Steam) | 150 psi |
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| Valve body | WCC grade carbon steel |
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| Body finish | matt black body finish |
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| Stem | stainless steel |
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| Stem seal | PTFE V-ring |
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| Seat | PTFE |
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| Pipe connection | NPT |
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| Ball | stainless steel |
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| Suitable actuators, non-spring return | SY1 AMB(X) PRB(X) |
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| Suitable actuators, spring return | NF |
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| Electrical fail-safe | PKRB(X) |
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| Application | Water-side control of air handling apparatus in ventilation and air-conditioning system. Water/Steam control in heating system. 300:1 rangeability. The dimensions and drilling of end flanges conform to the American cast iron flange standard, Class 150 (ANSI B16.1). |
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Actuator: NFBUP-X1
| Nominal voltage | AC 24 to 240 V / DC 24 to 125 V |
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| Nominal voltage frequency | 50/60 Hz |
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| Nominal voltage range | AC 19.2 to 264 V / DC 21.6 to 137.5 V |
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| Power consumption in operation | 6W |
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| Power consumption in rest position | 2.5 W |
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| Transformer sizing | 9.5 VA |
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| Overload Protection | electronic throughout 0 to 95 deg rotation |
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| Direction of motion motor | selectable by ccw/cw mounting |
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| Direction of motion fail-safe | reversible with cw/ccw mounting |
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| Manual override | 5 mm hex crank (3/16" Allen), supplied |
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| Angle of rotation | 95 deg |
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| Running time (motor) | 75 s / 90 deg |
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| Running time fail-safe | <20 s @ -20 to 50 deg C, <60 s @ -30 deg C |
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| Sound power level motor | 50 dB(A) |
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| Sound power level, fail-safe | 62 dB(A) |
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| Position indication | Mechanical |
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| Power source UL | Class 2 Supply |
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| Degree of protection NEMA/UL | NEMA 2 |
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| Housing | UL Enclosure Type 2 |
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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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| UL 2043 Compliant | Suitable for use in air plenums per Section 300.22(C) of the NEC and Section 602 of the IMC |
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| Ambient humidity | Max. 95% RH, non-condensing |
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| Ambient temperature | -22 to 122 deg F (-30 to 50 deg C) |
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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 | 4.5 lb (2.0 kg) |
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| Housing material | Galvanized steel and plastic housing |
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