The function of this pump is to drain compartments adjacent to a damaged(holed) compartment.The pump is capable of working when completely submerged. 

The pump is a standard centrifugal pump which reciprocating or Rotary air pumps. The motor is enclosed in an air bell so that even with the compartment full of water the compressed air in the bell prevents water gaining access to the motor.
The motor is usually DC operated by a separate remote controlled electric circuit which is a part of the vessel emergency essential electric circuit.
The pump is designed to operate for longer periods without attention and is also suitable for use of an emergency fire pump. This design is particularly suited for use in last passenger vessel giving output of 60 kg per second

No comments

Powered by Blogger.