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Depends on pressure and temp end connection ect>

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Q: What is max working pressure of ERW pipe?
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Definition of 'pressure nominal'?

Pressure Nominal (PN) is a term used to describe the pressure that a PE Pipe is designed to safely withstand.A pipe's PN number describes the nominal pressure in bars that a pipe can support with water at 20oC.The pressure grades available according to European standards arePN 2.5 - max pressure 2.5 barPN 4 - max pressure 4 barPN 6 - max pressure 6 barPN 10 - max pressure 10 barPN 16 - max pressure 16 barTo convert bar into MPa use the formula: (PN(bar)/10) = MPa.


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