The performance by the pulsation damper is dependent of the system that it is installed in. but usually the airborne sound from the hydraulic system can be reduced with 10-25db. This is based on laboratory data and from numerous field applications.
Allseas ”solitaire”, a pipelay vessel able to lay pipes at a speed of 4-7km per day.
In solitaires pump room 5 pump sets have been installed, each pump set is operating with a pressure of 150bar and a capacity of 900 L/min.
during the tests and during operation, the silencer proved to work well. Quote Mr. Jaap Wijsman (Technical Inspector Allseas)
”We are pleased with the installation of the silencers so far. the hydraulic noise has been reduced significantly”