Task No. 10.1
Task: Auxiliary Equipment and Maintenance, valves and pipe works
Sub
Task: Identify different types of
valves with respect to their common use on board
(Globe, globe non return, gate/ sluice, butterfly, ball spring
loaded, fire hydrant and float valve)
Aims:
1.
Identify different
types of valves.
2.
What are the uses
of different types of valves?
Requirement for performing the task:
1. Globe valve
2. Gate valve
3. Butterfly valve
4. Ball valve
5. Spring loaded valve
6. Fire hydrant valve
Precaution to be observed:
USE OF VALVE:
Globe valve: Onboard the
ship mostly globe valve is used in the steam line and bilge line.
Gate valve: The gate
valve is mostly used onboard the ship where full flow of the liquid required.
Butterfly valve: The butterfly valve is
used in the ballast system.
Ball valve: The ball
valve is used to quick shut of the action.
Spring loaded valve: The valves which are
operated by the spring force action comes under the spring loaded valve.
|
GLOBE VALVE  |
GATE VALVE  |
|
BUTTERFLY VALVE  |
BALL VALVE  |
|
SPRING LOADED VALVE (RELIEF VALVE)  |
FIRE HYDRANT VALVE  |
|
CHECK VALVE  |
|
