B309+LRB120-3 1/2 in. 3-Way CCV with Non-Spring Return Actuator, 100-240 VAC, Floating
Mixing or diverting ball valve for chilled or hot water, up to 60% glycol, with on/off or floating control. Holds position on power loss.
Key Features
- Cv: 0.8
- Close-off: 200 psi
- Control: on/off or floating
- Running time: 90 s
Product Specifications
| Manufacturer | Belimo |
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| Model | B309LRB1203 (B309+LRB120-3) |
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| Valve | B309 |
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| Valve size | 0.5" (15) |
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| Fluid | chilled or hot water, up to 60% glycol |
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| Fluid Temp Range (water) | 0 to 250 deg F (-18 to 120 deg C) |
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| Body Pressure Rating | 600 psi |
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| Close-off pressure | 200 psi |
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| Flow | A-port: as stated in chart B-port: 70% of A–AB Cv |
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| Flow characteristic | A-port equal percentage, B-port modified for constant common port flow |
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| Leakage rate | 0% for A–AB, <2.0% for B–AB |
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| Pipe connection | Internal thread NPT (female) |
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| Servicing | maintenance-free |
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| Flow Pattern | 3-way Mixing/Diverting |
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| Controllable flow range | 75 deg |
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| Cv | 0.8 |
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| Valve body | Nickel-plated brass body |
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| Stem | stainless steel |
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| Stem seal | EPDM (lubricated) |
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| Seat | PTFE |
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| Characterized disc | TEFZEL |
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| O-ring | EPDM (lubricated) |
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| Ball | stainless steel |
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| Suitable actuators, non-spring return | TR LRB(X) LRQB(X) NRB(X) N4 |
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| Suitable actuators, spring return | TFRB(X) LF |
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Actuator: LRB120-3
| Nominal voltage | AC 100 to 240 V |
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| Nominal voltage frequency | 50/60 Hz |
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| Nominal voltage range | AC 85 to 265 V |
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| Power consumption in operation | 2W |
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| Power consumption in rest position | 0.5 W |
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| Transformer sizing | 4 VA |
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| Overload Protection | electronic throughout 0 to 95 deg rotation |
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| Electrical Protection | actuators are double insulated |
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| Direction of motion motor | selectable with switch 0/1 |
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| Manual override | external push button |
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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) | 90 s / 90 deg |
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| Sound power level motor | 35 dB(A) |
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| Position indication | Mechanical, pluggable |
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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 | 1.0 lb (0.47 kg) |
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| Housing material | Galvanized steel and plastic housing |
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| AC 230 V, on/off | AC 230 V, 3-point |
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