I go with @AzriHms, most of the castings are cleaned to the extent of specifications by ultrasonic bath. At the same time, i am curious to understand more on laser cleaning and limitations.
A proud mechanical engineer
i feel definition of pneumatic or electro-pneumatic valves were some what old. As already few experts here expressed, pneumatic valve operates only by means of compressed air and the entire control is done by means of mechanical linkages. An electro-pneumatic valve involves solenoids, motors or...
