In a lp gas pipeline,50 psi charged for testing leak,is there any pressure drop if there is no leak?

in a building new installation of LP gas pipeline 50 psi test pressure is applied for the purpose of testing of pipeline there any pressure drop during the test,if the test continued for four hours?
Asked Dec 13, 2012
There is no pressure drop when there is no leak. If the pressure is less than 50 PSI, it's leaking. Put a little dishwater detergent in some water and paint it on the joints with a paint brush. It will blow bubbles where the leak is.
Answered Dec 13, 2012

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.