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Hi all, I am trying to figure out what ASTM standard to reference for PVC SCH 80 blind flanges on a piping system for 3/4 to 6 inch pipe. I know D2464 is for threaded fittings and D2467 is for socket weld fittings. Since a blind flange isn't socket welded or threaded, i am not sure what standard...

Hi, I am wondering what standards HDPE DR11 pipe used for buried water service has to meet. I have heard from people at my office it is an AWWA standard, but no one is really sure which one. I am relatively new to the piping world so I am a little lost. Any help is appreciated. Thank you,

Thanks. The trouble is, we are using one standard flange to mate to a custom made flange - they've asked me to determine if they can use standard bolt sizes or if we need to specify a different size. I will be sure to verify the type of flange though!

Sorry, I'm new to this. They are ASME B16.5 150 lb pressure class. Thank you.

Hey All, I am looking for the stud bolt size (diameter x length) for 28 and 32 inch carbon steel flanges. I know these are not common sizes, but from my understanding, they are still available. Any information would be appreciated. Thank you, Becky