PNEUMATIC ACTUATOR, RACK&PANION TYPE, SPRING-RETURN, QUARTER-TURN, MOUNTABLE ON ALL KITZ BALL AND BUTTERFLY VALVES, OPERATING PRESSURE: 3 TO 7 BAR, SERVICE TEMP: -200C TO 800C, VALVE MOUNTING FLANGE ISO 5211, ACCESSORY MOUNTING CONNECTION: NAMUR VDI/VDE 3845 ( LIMIT SWITCH, SOLENOID VALVE, AIR FILTER-REGULATOR )