Ballast operations -Practical Operator-

Front page

Price ¥4,500
Style / Language DVD (29 min) /
Published Year 2009
Brief Description This DVD introduces methods to carry out ballast operations safely and securely.
Contents [DVD]
  • Opening: What are ballast operations?
  • Water head pressure
  • Principle of the pump
  • Pump head and discharge amount
  • Cavitation
  • Air drawing
  • Water hammer
  • Valve opening/ closing
  • Simulated ballast operations