3/4"3w prop 2-10vdc sr 3w vlv| 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 or constant flow. |
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| Service | chilled, hot water, up to 60% glycol |
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| Flow Characteristic | A-port equal percentage, B-port modified
for constant common port flow |
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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] | 600 |
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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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| Leakage | 0% for A to AB, <2.0% for B to AB |
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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 | 2 W |
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| Power Consumption Holding | 1 W |
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| Transformer Sizing | 4 VA (class 2 power source) |
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| Electrical Connection | 3ft [1m], 18 GA plenum 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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| Angle of Rotation | Max. 95°, 90° |
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| Direction of Rotation (Motor) | reversible with built-in switch |
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| Running Time (Motor) | 95 sec |
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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, IP42, 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) | <35 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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| Position Indication | visual indicator, 0° to 95° (0° is full spring
return position) |
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| Running Time (Fail-Safe) | <25 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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| Ambient Humidity | max. 95% RH non-condensing |
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Product Family
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UPS Hoilday Delivery Schedule
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You can also find answers to some common questions on our FAQ page
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