The air source pressure comes into the cylinder body between the two pistons from air entrance (2) and pushes the pistons toward the end of the cylinder body while the springs at each ends inside the cylinder body is forced to shrink with the air between the pistons and the ends of the cylinder body released from air entrance (4).in the meantime, the racks of pistons drive the output shaft (gear

wheel) simultaneously to rotate anticlockwise. After the direction of the air source pressure is reversed by the solenoid valve, the

springs at each end begin to reset and the pistons are forced

toward each other by the elasticity with the air between two pistons released from air entrance (2). Meanwhile the output shaft (gear wheel) would be driven by the racks of the pistons simultaneously to rotate clockwise. (if the pistons are assembled in different

direction from each other, the output shaft would turn out to rotate in inverse direction when the springs reset, namely the single

acting reverse SO type)

Operating Principle Of SC(SO) Single Acting Type Operating Principle Of SC(SO) Single Acting Type Operating Principle Of SC(SO) Single Acting Type