PN2.0 or PN20

2019-01-19View Original

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Please let me know whether the pressure rating is PN2.0 or PN20.

Reply #22019-01-20

The old standards specified PN2.0, with MPa indicated thereafter, but the new standards no longer include MPa and simply state PN20

Reply #32019-01-21

PN20 is correct; it comes from GB/T 20592 and refers to 20 bar (Kg/cm2), which is equivalent to 2.0 MPA；

Reply #42019-01-21

Reference can be made to GB/T1048-2005 for the definition and selection of PN (nominal pressure) for pipe fittings

Reply #52019-01-23

PN20 corresponds to 20 barg. PN2.0 is an old notation that is no longer in use. If you’re not sure, you can indicate it with the unit, such as PN20 barg, PN2.0Mpa

Reply #62019-01-25

They’re all used; it’s just that the units are different, and the notation for * habit is also different

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PN2.0 or PN20

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