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from : Engineeringtoolbox.com
Polyethylene pipes are also classified by the type of material used:
- PE 32 - low pressure piping systems
- PE 40 - low pressure piping systems
- PE 63 - medium pressure piping systems - irrigation system - drinking water connections
- PE 80 - gas pipe for natural gas distribution network with pressure rate up to 4 bars - drinking water pipe with pressure rate up to 16 bar - sewers, outfall pipes, industrial pipes
- PE 100 - high demands piping applications
The Minimum Required Strength - MRS - according ISO 4427 for the different materials are:
Designation of materialMRS at 50 years and 20oC
Mpa (bar)PE 10010 (100)PE 808 (80)PE 636.3 (63)PE 404 (40)PE 323.2 (32)
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