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Pressure







ISO 7268 norm defines Nomimal Pressure for pipe components. API 6D compares also ANSI Class with PN.

The pressure rating on this table do not mean design pressure (bar or psi). Factors such as temperature and material should be also considered in order to select a pressure rating.
ANSI
Class Rating
[#]
Nominal Pressure

PN


150 20
300 50
400 64
600 100
900 150
1500 250
2500 420