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can anyone tell me the max GPM allowable through pex tubing for example: 1/2'', 5/8'',3/4'' & 1''....thank you PAUL S
ASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.


  • SWEISWEI Member Posts: 7,356
    As usual, it depends

    Mostly on the application, more specifically the fluid type and velocity or head limit.

    Appendix G of the Uponor CDAM has a comprehensive set of tables.
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