Germany Xi Bosi electric valve actuator can be frequent and reliable switch control and regulation. It has been widely used in power plants, heating systems, cement plants, steel plants, water systems, sewage treatment plants, food industry and chemical plants. 
 Output torque will not exceed pre-set limit 
 Starting current does not exceed the rated current 
 Automatic correction of the power supply phase sequence 
 Full motor protection 
 Output shaft speed can be user-set, etc. 
 Standard multi-turn 
 2SA50 .. series 10-4000Nm modulating 
 2SA55 .. series 10-4000Nm straight trip standard 
 SA50 .. + LE .. Thrust 3.4-217KN modulating 2SA55 .. + LE .. Thrust 3.4-217KN rotary Standard 2SG50 .. series of 32-125Nm modulating 2SG55 .. series of 32-125Nm 
 Standard 2SG50 .. series of 32-125Nm modulating 2SG55 .. series of 32-125Nm Standard 2SA50 .. + GS .. 80-250000Nm 
 Modulating 2SA55 .. + GS .. 80-250000Nm Standard 2SA50 .. + GF .. 80-32000Nm Modulating 2SA55 .. + GF .. 80-32000Nm 
 Professional (PROFITRON) is mainly used for control functions more complex regulation and control. 
 Can accept the control system to open, close, stop and emergency (not economic) 4 switching control signal; 
 Control system is also acceptable to the 0/4-20mA position given signal. 
 Control system can output a road to the position feedback signal 0/4-20mA and 8 digital status feedback signal. 
 Professional but also with LCD, human-computer dialogue can set parameters for monitoring the status of the implementing agencies, fault diagnosis can be