Standard dimension ratio

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.

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

单词	Standard dimension ratio
释义	Standard dimension ratio 英语百科 Standard dimension ratio 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. Common nominations are SDR11, SDR17 and SDR35. Pipes with a lower SDR can withstand higher pressures.
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