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screwed connections

screwed connections

screwed connections

(OP)
Does any body know what the maximum rating is for screwed connections with a tapered thread?  I have a pressure vessel rated at 900bar (1300 PSI) with 80mm wall thickness, 490 (70KSI) grade steel, with a ¾ inch NPT screwed connection.  Is this likely to be OK?   The vessel operates at room temperature.

Many Thanks

RE: screwed connections

What you need is API Circular PS-1533.

email me at kbaxter@diwmsi.com- I have the document in tiff format.

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