High-speed shut-off electric actuators

Designation:

Functions:

• Bringing to a safe position function;
• Analogue and discrete control;
• Control and setting via interfaces;
• Intelligent monitoring and protection systems;
• Absolute electronic position sensor;
• Nonintrusive set up;
• No mechanical contacts.

Features and Benefits:

• Cut off time from 0.2 sec for a ball valves of 90 deg;
• Position regulation at low speed and fast cut-off when safety signal is on;
• Compact size and monoblock design of the electric motor and electronic control unit;
• Reliable, brushless, maintenance-free, synchronous electric drive with peak mechanical power up to 3 kW;
  
• Energy efficiency due to the built-in frequency converter;
• Highly reliable cycloidal transmissions and transmissions with intermediate rolling elements, ball-screw units;
• High reliability and fail safety;
• Self-diagnosis, built-in archiving of emergency events;
• Embodiments provided with safe state function (NO/NC) with built-in energy storage on supercapacitors;
• Supply voltage: 230 V or 400 V;
• Partial valve stroke test (PST-test);
• Functional safety SIL2.