Pipe Fitting Inspection & Testing

To qualified the design of the pipe fitting, manufacturer performed a various test including burst test to ensure that design will meet the all the standard & code requirements. In this test, a pipe & fittings are welded and a dummy pipe spool is prepared. This pipe spool is then pressurized to pre-define calculated burst test pressure. If the fittings withstand the test, all the future product manufactured using that design will consider safe to use. Lap joint stub ends are exempt from the proof test because they are used with flange assembly and design considering applicable pressure- temperature ratings.

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Special tests are carried out on fittings to confirm its ability to withstand in corrosive environments. These tests are IGC- Intergranular Corrosion Test(SS) Ferrite (SS) HIC- Hydrogen-induced Cracking And SSC- Sulfide Stress Corrosion Cracking Grain size (AS & SS) of material are checked to confirm microstructure

Visual Inspection

Visual Inspection is conducted on fittings to check any surface imperfections. Both fittings body and weld are checked for any visible surface imperfections such as dents, die marks, porosity, undercuts etc. Acceptance as per applicable standard.