“Standard dimension ratio”的意思、由来-开放百科全书

词条

Standard dimension ratio

释义

References

Standard dimension ratio (SDR) is a method of rating a pipe's durability against pressure. The standard dimension ratio describes the correlation between the pipe dimension and the thickness of the pipe wall.^[1]

Common nominations are SDR11, SDR17 and SDR35. Pipes with a lower SDR can withstand higher pressures.

Pipe outside diameter

Pipe wall thickness

References

1. ^http://www.engineeringtoolbox.com/sdr-standard-dimension-ratio-d_318.html

1 : Piping

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