The DuraDrive VBB and VBS Series valves are TwoWay or Three-way, 1/2” or 3/4” (15 mm or 20 mm), characterized ball valves. The M1 and M2 series actuators are direct coupled to the VBB/VBS series valves and accept two-position, floating or proportional control signals from a DDC system, controller, or thermostat for control of hot or chilled water, or solutions of up to 60% glycol. Typical applications include VAV reheat, fan coil units, hot and chilled water coils in air handling units, heat pumps and unit ventilators.
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