Sea water underground pipe leak detection with flow meters

[npower0073]

On our power plant we take sea water through a 6 km underground line. This line has faced a lot of leaks from vents and flanges. We are thinking of a way to detect leaks using some intrumentation. One way could be to use flow sensors on the intkae line, one on the pwoer plant and one near the sea. The differential flow could give us a signal if there is a leak somewhere.
Can you suggest on this issue? The pipe is GRP DN 800.
What type of flow sensor could be used in order to avoid cutting? E.g. ultrasonic ..

 

[npower0073]

ANy body there that can assist on this issue?

 

[itsmoked]

Try your question in this forum.

http://www.eng-tips.com/threadminder.cfm?pid=311

Keith Cress
kcress -

http://www.flaminsystems.com