Thank you all for the help! In addition to what you have all posted I was also able to find 12-thread series basic dimensions in table 3g in the Screw Thread Systems section of my Machinery's Handbook (seventeenth edition).
Hello,
Please see the attached file. The drawing calls for a 5"-12 UNC-2B threaded thru hole. Is this a legit thread callout? I've found one mention of it in my machinery's handbook in the "Recommended Hole Size Limits Before Tapping Unified Threads" table but am struggling to find any more...
I apologize, I think my original post was a bit misleading. What I am driving at is the radial clearance around a nozzle neck. I have a 2" nozzle (2.375" O.D.)and a hole in my vessel that is 2.75" diameter. I'm trying to figure out if there are any rules as to whether the radial clearance...
Thank you Mike! I have read from UG-36 thru UG-43 but did not pick up on anything. I will read again. I understand that the larger hole has an impact on the area required for reinforcement and the area available for reinforcement but my concern is not with that as there is plenty of area...
What is the maximum size of a nozzle opening being welded per the figure in the subject line?
UW-16(d)(1)addresses necks attached by fillet or partial penetration welds but makes no mention of maximum size opening in the vessel.
UW-16(f)(3)(-a)(-2)states:"the maximum size of the opening in the...
