Solenoid Actuators
Automatic solenoid actuators for control valves fast/slow opening fast/slow closing
Solenoid actuators are designed to operate VF and VFH butterfly valves.
When the coil is not energized the inner spring pushes down the plunger and, by means of a gear mating, shifts the connected valve to the minimum opening position.
When the coil is powered the plunger moves up fast (SR) or slowly (SL-ST), shifting the valve to the maximum opening position.
This type of device, connected to VF and VFH butterfly valves, is used in two-stage control of gas and air flow in combustion processes.
Technical Data
Adjustments
two regulating screws for minimum and maximum flow rate adjustment
Voltage Rating
230VAC 50/60Hz
110VAC 50/60Hz
Operating time (0 – 90°)
SR: 1s opening/closing
SL: ~4s opening / 1s closing
ST: ~4s opening/closing
Approvals
Comply with 2004/108/EC and 2006/95/EC directives
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