Data Sheet Actuator Type MZ (Pneumatic diaphragm rotary actuator) Sizes: MZ450, MZ450v, MZ700, MZ700v Version Diaphragm - rotary actuator Travel 100 mm / 130 mm Opening angle 75° Spring position Centrally arranged spring Diaphragm area 1636 to 3447 cm² Spring torques 470 to 1976 Nm Fig. 1: Type MZ450 Actuator with Type 82.7 VETEC Valve Supply air range 3 to 4 bar Ambient temperature range –40 to 80 °C / –40 to 176 °F Mounting of accessories VDI/VDE 3845 Fig. 2: Assembly Drawing Type MZ450 Actuator

Principle of operation: The Type MZ Actuator is equipped with a diaphragm and a centrally arranged return spring on the inside. The freely supported piston rod is directly connected to the lever for the valve shaft. The optimized construction ensures very short actuating times and also for a very fine and precise control. The actuator can be equipped with manual gears as well as end stops. Fig.4: Assembly Drawing Type MZ700v Fig. 3: Type MZ700v Table 1: Technical Data Type Spring position Centrally arranged spring Opening angles Diaphragm area Spring range Spring torque Temperature range Manual...

Table 2: Attachment Types Attachment Type B Fail-Close Attachment Type B Fail-Open Attachment Type D Fail-Close Attachment Type D Fail-Open

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