Dimensions Threaded End Caps ASME B16.11


Class 3000
NPS Length Outside Dia Min WT Min Thread Length
A D G B J
1/2 32 28 6.4 10.9 13.6
3/4 37 35. 6.4 12.7 13.9
1 41 44 9.7 14.7 17.3
1.1/4 44 57 9.7 17 18
1.1/2 44 64 11.2 17.8 18.4
2 48 76 12.7 19 19.2
2.1/2 60 92 15.7 23.6 28.9
3 65 108 19 25.9 30.5
4 68 140 22.4 27.7 33


Threaded Cap

Threaded Cap


Class 6000
NPS Length Outside Dia Min WT Min Thread Length
A D G B J
1/2 33 38 7.9 10.9 13.6
3/4 38 44 7.9 12.7 13.9
1 43 57 11.2 14.7 17.3
1.1/4 46 64 11.2 17 18
1.1/2 48 76 12.7 17.8 18.4
2 51 92 15.7 19 19.2
2.1/2 64 108 19 23.6 28.9
3 68 127 22.4 25.9 30.5
4 75 159 28.4 27.7 33


Threaded Cap

Threaded Cap

General notes..

  • Dimensions are in millimeters unless otherwise indicated.
  • Dimension (B) is minimum length of perfect thread.
    The length of useful thread (B plus threads with fully formed roots and flat crests) shall not be less than J.


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