Pneumatic valve actuator SR series

rotaryISOaluminum

Aluminium spring return pneumatic actuator SR type TECHNICAL FEATURES Mounting flange according to EN ISO 5211 F03 - F04 - F05 - F07 - F10 - F12 - F14 - F16 -F25. In compliance with EN 15714-3 Torque: the return torque depends on spring action only notwithstanding the air supply. The spring is provided in four different sizes (see table). The code numbers after the letters SR, always correspond to the breakaway torque in Nm by 5,6 bar air supply. The actuator automatic closing takes place in clockwise direction by means of its springs. ATEX version in conformity with directive 2014/34/EU. Please add YX at the end of the code for ATEX version. WORKING CONDITION Actuating media: filtered dry compressed air, not necessarily lubricated. In case of lubricated air, either non detergent oil or NBR compatible oil, must be used.