Pressure vessel qualification level how to differentiate?
1 installation qualification level See pressure installation modification maintenance licensing rules, divided into 2 level 1, article 4 of the rules 2 pressure vessel manufacturing qualification level The third chapter can be found in the boiler pressure vessel manufacturing license conditions. Provisions, not paste copy 3 USES the division, as shown in the fixed rules of the safety technique pressure vessels, this rule is new, as it is difficult for unfamiliar personnel division if the difficulty, the classification of the software can search for pressure vessel
The building Lord speak clearly, is the installation qualification qualification level of the hierarchy or manufacturing or use of the qualifications
A1A2A3D2D2 category category three categories
