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What is the difference between PN 20 and PN 25 pipes due to the application areas?

April 26, 2017application areas pipes PN

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What is the difference between PN 20 and PN 25 pipes due to the application areas?

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Life span of PN 25 is longer than PN 20 pipes under the same temperatures and pressure conditions. Especially for the exposed installations, as the expansion of PN 25 pipes is 1/5 of PN 20 pipes, sagging and snaking problems are avoided.