Dear Gentlemen,
Safety Valves were delivered to site (and installed) without V and NB stamps on the nameplate due to the reason that it will be tested on site (set pressure). Repair/parts replacement was carried out on the valves before the test due to the leak observed in the other units...
Dear gentlemen,
In one of the audit of local authorities on the on-going boiler erection, they raised a question regarding the safety valve as follow;
"How could you confirm if the test result of safety valve using lift assist device is the same with actual popping pressure".
We could not...
Dear Gentlemen,
We erected a power boiler and applied "S" Stamp after the hydrotest. Local regulation (in one of Asia country) requires newly constructed power boiler or parts be regsitered in National Board. This requirements had been satisfied by us (boiler manufacturer).
The client/owner...