... for Steel tube,plate,cylinder Ultrasonic Detectot Apparatus for Steel tube,plate,cylinderAutomatic Ultrasonic Detecting Apparatus for Steel Cylinder Technical Document No ... systemSet1Water tank, water seperator, switch, solenoid, etc.12Pneumatic elevator of detector frameSet2Cylinder drive13 Alignment deviceSet1Controlling cylinders position14Spinning rolling supportor for cylinderSet1Double ...