1/2 2W VALVE W/NSR MFT N4| 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] | 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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| 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 | 3.5 W |
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| Power Consumption Holding | 1.3 W |
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| Transformer Sizing | 6 VA (class 2 power source) |
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| Electrical Connection | terminal block |
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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, 1500 ? for PWM and on/off |
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| Angle of Rotation | Max. 90°, adjustable with mechanical stop |
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| Direction of Rotation (Motor) | reversible with built-in switch |
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| Manual Override | external push button |
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| Running Time (Motor) | 150 sec (default), variable (45 to 150 sec) |
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| Ambient Temperature Range | -40°F to 176°F [-40°C to 80°C] |
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| Storage Temperature Range | -22°F to 122°F [-30°C to 50°C] |
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| Housing | NEMA 4X, IP66/67, UL enclosure type 4 |
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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), variable (VDC, floating point,
on/off) |
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| Position Indication | handle |
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| Feedback Output U | 2 to 10 VDC, 0.5 mA max, VDC variable |
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| Humidity | 5 to 95% RH non condensing (EN 60730-1) |
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| ZS-CCV. | New Characterized Control Valve Weather Shield |
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| S1A, S2A | Auxiliary Switches |
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| P...A | Feedback Potentiometer |
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Product Family
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