API 570 COVERS IN-SERVICE INSPECTION OF PIPING
To fit in with the philosophy of ANSI B31.3
‘DESIGN CODE FOR PROCESS PIPING’
THE SCOPE OF API 570
Mandatory: Almost any metallic piping system:
- Raw and finished oil products
- Raw and finished chemical products
- Hydrogen/fuel/flare gas systems
- Sour/waste systems etc.
Optional:
- Water, steam and condensate
- Piping related to mechanical equipment
- (pumps/compressors etc)
- Pressure vessels
- Domestic sewers etc
- Everything< ½ in dia
- API 570 specifies the main points to look for
- Remember the pipe classes (and their inspection periods)
- Simple wall thickness determination
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