Cylindrical voice coil actuator provides accelerated control of valve opening/closing. It is available in sizes from 1 to 1-1/2 in. OD and offers stroke lengths from 0 to 1.27 mm, continuous force of 1 to 5 N, as well as cog and hysteresis-free operation. When used in conjunction with motion controller or other device, it can provide precise positioning, velocity, and acceleration in applications where exacting precision is critical.