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Guidelines for nondestructive examination of suction roll shells
Provider: TAPPI
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Shipping: Available for download - Link will be provided in My ComplianceOnline section
Price:
$35.00
Product Details
The purpose of this Technical Information Paper is to guide suction roll shell
users through a ondestructive examination of their shells. Although this
document is intended primarily for use with shells that have been in service, it
is also applicable to new shells. TAPPI TIP 0402-11 describes liquid dye
penetrant examination techniques for new shells 1 (superscript numbers refer to
eferences at the end of this document). TIP 0402-17 2 describes procedures for
documentation of weld repairs which are sometimes performed during manufacture
of suction rolls.
Timely discovery of cracking, corrosion or other forms of distress is
important for avoiding sudden or catastrophic failures of shells in service.
This TIP discusses various nondestructive examination techniques and provides
general guidelines for examination frequency. In addition, types of indications
that are typically found in shells, and procedures for documenting shell
condition are described. This document does not provide guidelines for
determining suitability for service or the remaining useful life of a particular
shell.
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