ballast line

ballast line

[′bal·əst ‚līn]
(naval architecture)
A ship's water line when the ship is ballasted.
References in periodicals archive ?
UV systems must be located on the main ballast line of a vessel, which is often a system-heavy portion of the ship and frequently installed in pump rooms classified as hazardous zones.
The whole fusion process took a great deal of planning in order to install the necessary ballast line within the 18-inch product pipe without hindering the ability to fuse and pre-test the pipe."
This includes making the required connections to the main ballast line, installing the bypass and isolating valves, preparing the space needed, and carrying out the foundation work.
The Crestron Green Light[R] 3-lamp DALI[R] Ballast is the latest addition to the 1- and 2-lamp ballast line, making it the most complete DALI ballast solution on the market.