Scotch Yoke Pneumatic Actuator
HY Series Scotch Yoke Pneumatic Actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty. Such as ball valve , butterfly valve and plug valve. HY actuators certificated by CE, PED, ATEX and
SIL3.
http://respongroup.com/download/HY_Series_Pneumatic_Actuator.pdf