Compact cylinder CQ2 series Pneumatic Actuator:Standard Cylinder,Mini Cylinder,Compact Cylinder,Grippers And Pneumatic Slide,Guided Cylinder,Rodless Magnetic Cylinder,Rotary Cylinder Compact Cylinder: A compact cylinder is a type of pneumatic actuator that is designed to be more space-efficient than standard cylinders. It typically has a shorter overall length and a smaller diameter, allowing it to fit into tight spaces. Compact cylinders are commonly used in machinery and equipment where space is a constraint.