PE Pipes and Dimensions

PE pipe dimensions according European Standards

Polyethylene -  PE - is popular and and commonly used material in water pipes. It is usual to use the PE 50, PEH or PE-HD (polyethylene high density) quality.

PE pipes are produced in different pressure grades - PN grades - indicating the pressure in bars the pipe can support with water at 20 oC.

The pressure grades available according to European standards are

  • PN 2.5 - max pressure 2.5 bar
  • PN 4 - max pressure 4 bar
  • PN 6  - max pressure 6 bar
  • PN 10  - max pressure 10 bar
  • PN 16  - max pressure 16 bar
  • 1 bar = 105 Pa (N/m2) = 0.1 N/mm2 = 10.197 kp/m2 = 10.20 m H2O = 0.9869 atm = 14.50 psi (lbf/in2) = 106 dyn/cm2 = 750 mmHg

European standards and available PEH pipes:

Outside Diameter
(mm)
Pressure Rating
PN 2.5 PN 4 PN 6 PN 10 PN 16
Inside Diameter (mm)
20       16 14.4
25     21 20.4 18
32     28 26.2 23.2
40   36 35.4 32.6 29
50   46 44.2 40.8 36.2
63 59.8 58.2 55.8 51.4 45.8
75 71.2 69.2 66.4 61.4 54.4
90 85.6 83 79.8 73.6 65.4
110 104.6 101.6 97.4 90 79.8
125 118.8 115.4 110.8 102.2 90.8
140 133 129.2 124 114.6 101.6
160 152 147.6 141.8 130.8 116.2
180 171.2 166.2 159.6 147.2 130.8
200 190.2 184.6 177.2 163.6 145.4
225 214 207.8 199.2 184 163.4
250 237.6 230.7 221.6 204.6 181.6
280 266.2 258.6 248.2 229.2 203.4
315 299.6 290.8 279.2 257.8 229
355 337.6 327.8 314.8 290.6 258
400 380.4 369.4 354.6 327.4 290.6
450 428 415.6 399 368.2 327
500 475.4 461.8 443.4 409.2  
560 532.6 517.2 496.6 458.4  
630 599.2 581.8 558.6 515.6  
710 675.2 655.6 629.6    
800 760.8 738.8 709.4    
900 856 831.2 798    
1000 951 923.6 887    
1200 1141.2 1108.2      
1400 1331.4 1293      
1600 1521.6 1477.6      

Related Topics

  • Dimensions - Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more

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