3-Way 3/4" Characterized Control Valve W/7.4Cv and a Brass Trim Body| 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 linear for constant 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 | 120 VAC � 10%, 50/60 Hz |
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| Power Consumption Running | 5.5 W |
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| Power Consumption Holding | 3.5 W |
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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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| Direction of Rotation (Motor) | reversible with built-in switch |
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| Running Time (Motor) | <40 to 75 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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| Agency Listings | cULus acc. To UL 873 and CAN/CSA C22.2 No. 24-93 |
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| Noise Level (Motor) | <50 dB (A) |
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| Direction of Rotation (Fail-Safe | reversible with CW/CCW mounting |
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| Position Indication | ual indicator, 0� to 95� (0� is full spring return position) |
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| Running Time (Fail-Safe) | <25 sec @ -4�F to 122�F [-20�C to 50�C], < 60 sec @ -22�F [-30�C] |
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| Noise Level (Fail-Safe) | <62 dB (A) |
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Product Family
Cross Reference
| Belimo Aircontrols (USA), Inc. | B318B |
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| Manufacturer Suggested Replacement |
| Belimo Aircontrols (USA), Inc. | B318B |
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| Manufacturer Suggested Replacement |
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