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PVC drainage pipes - ASTM D-2079, ASTM D-3034

PVC drainage pipes - ASTM D-2079, ASTM D-3034

PVC drainage pipes - ASTM D-2079, ASTM D-3034

I was able to find 3'' SDR-35 ASTM D-2729 pipe, as well as 3'' SDR-35 ASTM D-3034 pipe; but I was not able to find 3'' ASTM D-3034 fittings. The S&D fittings seem to typicalle come with a disclaimer "3'' meets ASTM D2949 or exceeds ASTM D2729; 4'' and 6'' meet ASTM D3034". I understand that ASTM D-2729 and ASTM D-3034 have the same outside dimensions; but can somebody please educate me why I cannot find 3'' fittings complying with ASTM D-3034, while there is 3'' pipe complying with ASTM D-3034? Thanks.

RE: PVC drainage pipes - ASTM D-2079, ASTM D-3034

ASTM D-3034 is supposed to be a specification for 4-Inch and greater pipe.

RE: PVC drainage pipes - ASTM D-2079, ASTM D-3034

actually, D-3034 includes 3" - 15" size pipe and fittings

RE: PVC drainage pipes - ASTM D-2079, ASTM D-3034

Thanks for the replies. It looks like we have conflicting opinions, and there seems to be confusion with what's actually available on the market :) To be honest I think it doesn't matter in real life, but I was just trying to understand the different fitting and pipe standards.

RE: PVC drainage pipes - ASTM D-2079, ASTM D-3034

I guess that answers the OP's question. ASTM D-3034 covers 3-Inch pipe and 4-Inch fittings. That is why you can not find 4-Inch fittings. Probably have to use ASTM D2729 for the 3-Inch.

The answer to your question probably is related to 3-4-Inch pipe is the breakpoint between piping being residential or commercial/industrial construction

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