Mechanical Supplies
Electromotive Actuators: 2-Point, 3-Point & Proportional Control
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- Motorised actuators for the Cocon Q and Hydrocontrol bodies, in 2-point, 3-point floating and 0-10 V proportional control, with a gear train, higher closing force, manual override and position feedback. Matched by valve family, separate ranges serve QTZ (DN 15-32), QTR (DN 40-50) and QFC (DN 40-150), with spring-return versions that drive to a safe position on power failure.
Application
Used where stroke is long, the differential pressure is high or the valve must move quickly: AHU heating and cooling coil valves, large three-port mixing valves, and plant room control valves on risers. Spring-return units are specified on frost coils and on any valve whose failed position affects life safety, since the actuator must reach a defined state without power rather than stay where it stopped.
Standards & Reference 5 cited
EN 60730-1
General requirements for automatic electrical controls: the base standard for thermostats, actuators and similar controls.
EN 60730-2-14
The part of the automatic controls standard covering electric actuators: the motorised heads on valves and dampers.
EN 60529
The IP code. Two digits stating how well an enclosure keeps out solid objects and water, IP65 and the like. The number a specifier reads first when equipment sits outdoors or in a plant room.
EN 61000-6-3
Electromagnetic emission limits for equipment in residential and light commercial environments.
Also citedEN 61000-6-2
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