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Fittings Guide

Dimensions Threaded Street Elbows ASME B16.11

Dimensions - NPS 1/2 to 2 Class 3000

NPS Center to Female End Center to Male End Outside Dia of Band Min WT Min WT
A C D G1 G2
1/2 28 41 38 4.09 4.16
3/4 35 48 44 4.32 4.88
1 44 57 51 4.98 5.56
1.1/4 51 66 62 5.28 5.56
1.1/2 54 71 70 5.56 6.25
2 64 84 84 7.14 7.64
NPS Min Length Internal Thread Min Length Male Thread
B J1 J2
1/2 10.9 13.6 14
3/4 12.7 13.9 16
1 14.7 17.3 19
1.1/4 17 18 21
1.1/2 17.8 18.4 21
2 19 19.2 22
Threaded Street Elbow

Dimensions - NPS 1/2 to 2 Class 6000

NPS Center to Female End Center to Male End Outside Dia of Band Min WT Min WT
A C D G1 G2
1/2 35 48 44 8.15 6.53
3/4 44 57 51 8.53 6.86
1 51 66 62 9.93 7.95
1.1/4 54 71 70 10.59 8.48
1.1/2 64 84 84 11.07 8.89
2 83 105 102 12.09 9.70
NPS Min Length Internal Thread Min Length Male Thread
B J1 J2
1/2 10.9 13.6 14
3/4 12.7 13.9 16
1 14.7 17.3 19
1.1/4 17 18 21
1.1/2 17.8 18.4 21
2 19 19.2 22
Threaded Street Elbow
General notes:
  • Dimensions are in millimeters unless otherwise indicated.
  • Dimension G2 = Wall thickness before threading.
  • 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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