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SDR vs C900 vs Schedule40

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cveg05

cveg05

Civil/Environmental
Joined
Mar 7, 2006
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19
Can anyone explain the history behind the developement of these three types of pipe specs(sdr/c900/schedule40)? I understand the difference in dimensions, I'm just curious about the development of each or more specifically, why there are three types that are commonly used.
 
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Search for the Plastic Pipe Institute website.

good luck
 
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