TAPPI TIP0402-11
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This Technical Information Paper (TIP) covers liquid penetrant testing of new suction roll shells produced for newor replacement equipment. This TIP is intended for centrifugally cast, and rolled/welded shells, but may be adapted for testing forged suction roll shells.
It is recognized that no suction roll shell is perfect and shells can deteriorate under widely different applicationsand operating conditions. Therefore, the purpose of this TIP is to establish procedures for documenting the surfacecondition of the suction roll shell, as manufactured, so that the information may be compared with data gatheredperiodically after the shell is in service. The procedure will normally be used for stainless steel shells, but may be used for bronze shells.
It is beyond the scope of this TIP to recommend criteria for rejection of new shells based on the size or quantity of flaws. However, manufacturers will usually have standards for acceptance/rejection of shells that they produce. Nevertheless, acceptance criteria should be as agreed upon by the purchaser and supplier.
Product Details
- Published:
- 2014
- Number of Pages:
- 6
- File Size:
- 1 file , 61 KB
- Redline File Size:
- 2 files , 3.5 MB
