API RP 651: Cathodic Protection of Aboveground Petroleum Storage Tanks

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API RECOMMENDED PRACTICE 651 Cathodic Protection of Aboveground Petroleum Storage Tanks

Author: API | Size: 0.75 MB | Format: PDF | Publisher: API | Year: 2007 | pages: 46

1.1 The purpose of this recommended practice is to present procedures and practices for achieving effective corrosion control
on aboveground storage tank bottoms through the use of cathodic protection. It contains provisions for the application of cathodic
protection to existing and new storage tanks. Corrosion control methods based on chemical control of the environment or the use
of protective coatings are not covered in detail.
1.2 When cathodic protection is used for aboveground storage tank applications, it is the intent of this recommended practice to
provide information and guidance specific to aboveground steel storage tanks in hydrocarbon service. Certain practices recommended
herein may also be applicable to tanks in other services. It is intended to serve only as a guide to persons interested in
cathodic protection. Specific cathodic protection designs are not provided. Such designs should be developed by a person thoroughly
familiar with cathodic protection practices.
1.3 This recommended practice does not designate specific practices for every situation because the varied conditions in which
tank bottoms are installed preclude standardization of cathodic protection practices.

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