Thank you very much everybody.
Very good advice. decided to conduct some tests to pressure of work, putting them in a test bomb and the results were expected, there was no leakage.
Then the valve will be instaled.
Good day.
We designing a bildge-ballast system for a ship River and selected valves duo check for suction lines (Low weigth). Crane Duo Check valves were select in ASTM A395 with metal seat and interior stainless steel .
They came to the worshop and the officers performed a "proof of...