Valve Automation with Pneumatic and Electric Actuators
Solenoid Valve
Solenoid Valves are used for on-off applications where the valves are operated from fully closed to fully open position and no mid positions are required. The solenoid valves are available for many different Control voltages and ingress protection grades as for example IP65, IP67, IP68, NEMA 4 and NEMA6 and also for Hazardous areas where Explosion proof according to ATEX or NEMA 7 are required.
Positioner for pneumatic actuators
Positioners are used for Positioning, Control or Modulating applications where a defined valve position anywhere between fully open and fully closed valve is required. The positioning can be controlled by an Analogue input Signal 4-20mA or by a Digital input signal.
The Positioners are used for all kinds of modulating such as flow control, temperature control, pressure control or mixture control in process plants. Positioners are available for use in Normal Zone and in Hazardous Zone where ATEX or NEMA 7 approvals are required. Smart positioners are used for applications where closed control loops, diagnostics or bus-communication is required.
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