Thanks for the replies - looking at matching IDs of the pipe, joining a 560 OD HDPE line to a DN 450 HDPE lined steel pipe. Plan is to use a DN 450 internally lined tee with a DN 550 blind flange (to mate to the 560 OD HDPE backing ring) drilled out to suit a DN 450 pipe OD. Rating will be Table H.
Hey,
I'm wondering if anyone has seen any clause regarding drilling holes in blind flanges to AS 2129?
I've had a look through the forum and most queries are related to B16.5 flanges.
Looking for a reference similar to B16.5 Table 6 / ASME VIII Interpretation 1-01-105.
For reference, I'm...