Read Mueller Co text version

16.16

REV. 4-99

ENGINEERING INFORMATION PIPE THREAD DATA

0.8P = Thread depth - Amer. Std. 0.760P = Thread depth - A.P.I. Std. Total taper 3/4" per foot (measured on diameter) Ring gauge

Standard thread dimensions

Gauge to go on flush by hand F = Thickness of working ring gauge Imperfect threads due to lead or die Plug gauge Plug gauge to enter until notch is flush with first thread standard tolerance is _ + one thread

C = Straight pipe thread pitch diameter for locknut connections G = Minimum pitch diameter straight female locknut thread

Pitch diameter at beginning of external threads E0

.3635 .4774 .6120 .7584 .9677 1.2136 1.5571 1.7961 2.2690 2.7195 3.3406 3.8375 4.3344 4.8313 5.3907 6.4461 7.4398 8.4336 9.4273 10.5453 11.5391 12.5328 13.7750 14.7688 15.7625 16.7563 17.7500 19.7375 21.7250 23.7125

Nominal pipe size

Outside diameter of pipe D

.405 .540 .675 .840 1.050 1.315 1.660 1.900 2.375 2.875 3.500 4.000 4.500 5.000 5.563 6.625 7.625 8.625 9.625 10.750 11.750 12.750 14.000 15.000 16.000 17.000 18.000 20.000 22.000 24.000

Threads per inch

Pitch of thread

Handtight engagement Pitch diameter E1

.3748 .4899 .6270 .7784 .9889 1.2386 1.5834 1.8223 2.2963 2.7622 3.3885 3.8880 4.3871 4.8859 5.4493 6.5060 7.5023 8.5000 9.4980 10.6209 11.6194 12.6178 13.8726 14.8742 15.8758 16.8750 17.8750 19.8703 21.8656 23.8609

Effective thread external Pitch diameter E2

.3800 .5025 .6375 .7918 1.0018 1.2563 1.6013 1.8413 2.3163 2.7906 3.4156 3.9156 4.4156 4.8418 5.4786 6.5406 7.4524 8.5406 9.4415 10.6656 11.5549 12.6656 13.9156 14.7872 15.9156 16.7762 17.9156 19.9156 21.7488 23.9156

Wrench make-up length for internal thread Length L3

.1111 .1667 .1667 .2143 .2143 .2609 .2609 .2609 .2609 .2500 .2500 .2500 .2500 ..... .2500 .2500 ..... .2500 ..... .2500 ..... .2500 .2500 ..... .2500 ..... .2500 .2500 ..... .2500

Overall length external thread

Length L1

.180 .200 .240 .320 .339 .400 .420 .420 .436 .682 .766 .821 .844 .875 .937 .958 1.000 1.063 1.130 1.210 1.285 1.360 1.562 1.687 1.812 1.900 2.000 2.125 2.250 2.375

Length L2

.2639 .4018 .4078 .5337 .5457 .6828 .7068 .7235 .7565 1.1375 1.2000 1.2500 1.3000 1.3500 1.4063 1.5125 1.6125 1.7125 1.8125 1.9250 2.0250 2.1250 2.2500 2.3500 2.4500 2.5500 2.6500 2.8500 3.0500 3.2500

Pitch diameter E3

.3566 .4670 .6016 .7450 .9543 1.1973 1.5408 1.7798 2.2527 2.7039 3.3250 3.8219 4.3188 ..... 5.3751 6.4305 ..... 8.4180 ..... 10.5297 ..... 12.5172 13.7594 ..... 15.7469 ..... 17.7344 19.7219 ..... 23.6969

inches

1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 * 4-1/2 5 6 *7 8 *9 10 * 11 12 14 * 15 16 * 17 18 20 * 22 24

N

27 18 18 14 14 11-1/2 11-1/2 11-1/2 11-1/2 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

P

.0370 .0556 .0556 .0714 .0714 .0870 .0870 .0870 .0870 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250 .1250

L4

.3924 .5946 .6006 .7815 .7935 .9845 1.0085 1.0252 1.0582 1.5712 1.6337 1.6837 1.7337 ..... 1.8400 1.9462 ..... 2.1462 ..... 2.3587 ..... 2.5587 2.6837 ..... 2.8837 ..... 3.0837 3.2837 ..... 3.6837

Data per American Standard B2.1-1945 (For Taper Pipe Threads) and API Standard 6-A (for line pipe threads). * Sizes discontinued in American Standards listed for reference only. Also length of plug gauge. Length of ring gauge and length from gauging notch to small end of plug gauge. The American Standard Pipe Thread and the API Standard Line Pipe Thread are interchangeable. Reprinted by permission from Catalog No. 55, Ladish Co.

Information

Mueller Co

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