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Pipe Flanges – DO’s and DON’Ts
DOs:
a) Always visually inspect the surface finish of the flange
for injurious defects. It should be clean, degreased and free of any defects,
nicks or burrs. The permissible imperfections in flange surface finish
specified in ASME B16.5, Table 3 are not allowed for critical applications.
Raised Face and Flat Face flanges should also be checked for
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