Maintenance by Global : A Guide to Gas Tightness Testing
To test a system the engineer will then undertake the following routine: Set the pressure in the test section to 50 per cent of the maximum operating pressure. It is important to ensure that test pressure does not exceed the design pressure of any particular component. Observe the
Liquid Penetrant Examination - National Board of Boiler ...
The NBIC recommends PT for examination of: firetube boiler tube sheets to find leakage around tubes external inspection of weld joints evaluating components subjected to fire damage historical boilers fiber-reinforced thermosetting plastic pressure equipment Yankee dryers and pressure vessels in liquefied petroleum gas (LPG) service.
Be sure to lubricate boiler parts that are frequently in motion such as the fan and pumps. Clear Dust. Dust easily accumulates in the boiler room because of the boiler operations. Check the boiler room regularly and clear any dust in sight. Pay particular attention to