BELIMO 2W 1-1/2" BALL VLV W/ACT| Application | This valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow. |
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| Service | chilled, hot water, up to 60% glycol |
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| Flow Characteristic | equal percentage |
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| Controllable Flow Range | 75° |
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| End Fitting | NPT female ends |
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| Body | forged brass, nickel plated |
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| Stem Packing | EPDM (lubricated) |
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| Seat O-ring | EPDM (lubricated) |
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| Characterized Disc | TEFZEL® |
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| Body Pressure Rating [psi] | 400 |
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| Media Temperature Range (Water) | 0°F to 250°F [-18°C to 120°C] |
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| Max Differential Pressure (Water) | 50 psi (345 kPa) |
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| Close-Off Pressure | 200 psi |
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| Servicing | maintenance free |
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| Power Supply | 24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% |
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| Power Consumption Running | 5.5 W |
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| Power Consumption Holding | 3 W |
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| Transformer Sizing | 8.5 VA (class 2 power source) |
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| Electrical Connection | 3ft [1m], 18 GA appliance cable with 1/2”
conduit connector |
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| Overload Protection | electronic throughout 0° to 95° rotation |
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| Input Impedance | 100 k ? for 2 to 10 VDC (0.1 mA), 500 ? for
4 to 20 mA |
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| Direction of Rotation (Motor) | reversible with switch |
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| Position Indicatio | visual indicator, 0° to 95° (0° is full spring
return position) |
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| Manual Override | 5 mm hex crank (3/16” Allen), supplied |
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| Running Time (Motor) | 95sec |
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| Ambient Temperature Range | -22°F to 122°F [-30°C to 50°C |
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| Storage Temperature Range | -40°F to 176°F [-40°C to 80°C] |
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| Housing | NEMA 2, IP54, UL enclosure type 2 |
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| Agency Listings | cULus acc. to UL60730-1A/-2-14, CAN/CSA
E60730-1:02, CE acc. to 2004/108/EC and
2006/95/EC |
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| Noise Level (Motor) | <45 dB (A) |
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| Operating Range Y | 2 to 10 VDC, 4 to 20 mA w/ ZG-R01 (500 ?,
1/4 W resistor) |
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| Direction of Rotation (Fail-Safe | reversible with CW/CCW mounting |
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| Running Time (Fail-Safe) | <20 sec |
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| Noise Level (Fail-Safe) | <62 dB (A) |
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| Feedback Output U | 2 to 10 VDC, 0.5 mA max |
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Product Family
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