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What do PN and PE stand for in a PN10 HDPE pipe?
2021-05-20 09:20:15
PN = Nominal Pressure.(PN10, PN12.5, PN16, PN20, PN25)
SDR =  Standard Size Ratio. (SDR6.3, SDR7.4, SDR9, SDR11, SDR13.6, SDR17, SDR21, SDR26, SDR33)
PE = Grade of  HDPE Resin, like PE100, PE80, PE63 etc.
HDPE = High Density Polyethylene

PN 10 denotes the pipe is designed for working pressure of 10 Bar.

 
Standard Size Ratio(SDR)
SDR26
SDR21
SDR17
SDR13.6
SDR11
Nominal Pressure(MPa)
0.6
0.8
1.0
1.25
1.6
Nominal Pressure(PN)
6
8
10
12.5
16

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