A ring mounted on the propeller hub in order to protect the sterntube aft seal. See also Net cutters.
Wire-winder prevents fishing lines and other thin filaments entering into the stertube aft seal and damaging the lip seals.
Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers.