ballast tank

(redirected from Ballast tanks)

ballast tank

[′bal·əst ‚taŋk]
(naval architecture)
One of several tanks in the hold of a ship which may be pumped full of water as ballast.
One of the tanks in a submarine that are filled with water or air to submerge or surface.
References in periodicals archive ?
According to the announcement, underwater and above-water parts of the hull and deck of the tanker were cleaned and repainted, welding work carried out in cargo depots and ballast tanks, pipelines were repaired during the maintenance work.
MISHA noted, One of the features of DESMIs CompactClean system that we really like is the dry-running protection backed up with a recirculation system by the backflush pump which comes standard and can also be used as a stripping pump during stripping of ballast tanks.
Hempadur Quattro XO 17820 was developed for water ballast tanks in new vessels, however it can also be used as a uni-primer for most vessel areas - above and below the waterline - providing high quality performance and peace of mind for customers.
Kimmayong said workers also had to remove almost 1,000 tons of water from the ship's ballast tanks using five portable pumps to lighten the vessel.
Acoustic emission testing without pressurization is applied to structures like flat bottomed storage tanks, case 1), and water ballast tanks on ships, case 2).
Hempel Quattro Photo IMO requires the use of a PSPC certified coating for water ballast tanks and this launch of a new range of pure epoxy coatings represents the latest state-of-the-art in pure epoxy technology which delivers optimized performance based on customer requirements.
Ballast water is seawater that ships carry to maintain balance, it is normally taken on in ballast tanks in the ship's bottom at the unloading port, and then discharged at the loading port.
The IPPIC Marine Coatings Technical Corn-mittee (MCTC) was formed in 2008 to address the International Maritime Organization's (IMO) program establishing uniform performance standards for anticorrosion protective coatings (PSPC) which are applied to ballast tanks, crude oil tanker cargo holds, and void spaces.
On September 16, rubber insulation and old paint inside the K-150 Tomsk nuclear-powered submarine's main ballast tanks started burning during welding operations, filling the inside compartments with smoke.
Ships fill their ballast tanks with water to provide stability and maneuverability during voyages when not carrying cargo, or carrying cargo that is too light, or when stability is needed to deal with rough seas.
News reports last week said India had satellite photos of the alleged oil slick left behind when, according to Iran, the tanker washed out its ballast tanks near Abu Musa island.
She has already undergone hull and structural checks, steel repairs, renovation of ballast tanks, air conditioning, sea suction and cooling system inspections and has a crew of 32 and a Ukrainian captain.