230 V AC, 115 V AC (further electrical currents on request)
Constant positioning times under fluctuating loads
Up to four auxiliary position switches possible
Wide selection of valve adapters
Solid metal housing
The VK series of compact actuators are deployed in practically all fields of industry to perform sensitive adjustments to small or smoothly operating valves of all types of systems requiring stroke lengths up to 20 mm.
The robust construction, the metal housing made of die-cast zinc and an aluminium alloy that offers protection class IP65 and the extremely compact design ensure these valve actuators are the right solution even in harsh operating environments as well as confined spaces.
Single-phase AC synchronous motor with permanent magnet, reversible
230 V ± 10%, 50/60 Hz ± 5%
ON time 100% duty cycle on request
Short start/stop times
Insulation class B to VDE 0530
Synchronous motors maintain speed and constant positioning times irrespective of the load
Spur gearing with straight-toothed steel gears
Permanently lubricated gears
Self-lubricating sintered bronze bearing
Max. stroke: 20 mm
Positioning force 1000 N
Depending on the version it is possible to retrofit between one to four additional auxiliary position switches
Additional potential-free switching contacts
Electronic position controller ESR-NK (integrated in actuator)
-15 °C to +60 °C
0 °C to +60 °C when utilizing electronic position controller ESR-NK
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