Ballast System

Ballast System

 

a system of pipes and pumps that serves to take in and expel the liquid ballast of a ship. Ballast is usually taken on in ballast tanks (sections of double hull, deep tanks, on-board and below-decks tanks, and the forepeak and afterpeak); in some instances it is taken into the fuel tanks, and on tankers into the cargo tanks. The productivity of the ballast-system pumps in a freighter is generally calculated to expel all ballast in four to ten hours. 12–1725–51

References in periodicals archive ?
The DDPSOs symmetrical hull uses an oil-over-water philosophy to store stabilised crude product following processing, and as a result requires only a minimal water ballast system.
Ballast water treatment (BWT) specialist Optimarin is continuing its strong start to the year, with the news that its Optimarin Ballast System (OBS) has been selected for nine Sinopacific Shipbuilding Group AHTS vessels.
Officials at Environment Agency -- Abu Dhabi (EAD) said the 'tar balls' are likely to have been discharged from the ballast system of an unknown vessel.
Inside the sub, they check electrical circuits, emergency supplies, and the ballast system.
The maintenance work to prepare the ship for its voyage to the Far East includes a major overhaul of the engines and cleaning of the ballast system.
The pontoon's ballast system includes Econosto valves and Azcue pumps.
The station will be engineered and installed using the most advanced racking technologies and ballast system, which enables the solar panels to be securely mounted and weighted to the rooftop without penetrating the existing building.
Malibu's available Quad Ballast System and Patent Power Wedge can create more than 2500 lbs of displacement for powerful pro wakeboarding that is unbelievably versatile.
It is understood the 44-year-old was adjusting the ballast system of a diving bell when he was crushed under the machinery.
It is understood Mr Stephenson was adjusting the ballast system of a diving bell when he was crushed under the machinery.
Tina was suffering from a condition called Turtle Floating Syndrome in which gases trapped in her intestine were interfering with her ballast system preventing her from diving deep into the sea.
A rapid ballast system, consisting of a series of 24-inch butterfly valves in eight different tanks, lowered the barge at ia high rate during weight transfer.