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| Needle
Chart |
| Dia
of cylinder |
14" |
15" |
16" |
17" |
18" |
19" |
20" |
21" |
22" |
23" |
24" |
25" |
| (N.P.I.)
Guage |
| 12 |
528 |
576 |
600 |
636 |
672 |
720 |
756 |
792 |
828 |
864 |
912 |
948 |
| 13 |
576 |
612 |
660 |
696 |
732 |
780 |
816 |
852 |
900 |
936 |
984 |
1020 |
| 14 |
624 |
660 |
708 |
756 |
792 |
840 |
888 |
936 |
984 |
1020 |
1056 |
1104 |
| 15 |
660 |
708 |
756 |
804 |
852 |
900 |
948 |
996 |
1032 |
1080 |
1128 |
1176 |
| 16 |
708 |
756 |
816 |
864 |
912 |
960 |
1008 |
1056 |
1104 |
1152 |
1200 |
1260 |
| 17 |
744 |
804 |
852 |
912 |
960 |
1020 |
1080 |
1128 |
1188 |
1236 |
1284 |
1332 |
| 18 |
792 |
852 |
900 |
960 |
1020 |
1080 |
1140 |
1200 |
1260 |
1308 |
1356 |
1404 |
| 19 |
840 |
900 |
960 |
1020 |
1080 |
1140 |
1200 |
1260 |
1320 |
1380 |
1440 |
1500 |
| 20 |
876 |
948 |
1008 |
1080 |
1140 |
1200 |
1260 |
1320 |
1380 |
1440 |
1500 |
1572 |
| 21 |
924 |
984 |
1080 |
1140 |
1200 |
1260 |
1320 |
1380 |
1440 |
1500 |
1620 |
1680 |
| 22 |
984 |
1032 |
1104 |
1188 |
1260 |
1320 |
1380 |
1440 |
1512 |
1584 |
1680 |
1740 |
| 23 |
1008 |
1080 |
1152 |
1236 |
1308 |
1380 |
1440 |
1512 |
1572 |
1656 |
1740 |
1800 |
| 24 |
1044 |
1128 |
1200 |
1284 |
1356 |
1440 |
1500 |
1620 |
1680 |
1740 |
1800 |
1884 |
| 26 |
1140 |
1224 |
1308 |
1380 |
1464 |
1560 |
1632 |
1716 |
1800 |
1872 |
1956 |
2040 |
| 28 |
1224 |
1320 |
1392 |
1476 |
1584 |
1656 |
1752 |
1836 |
1920 |
2016 |
2100 |
2196 |
| 30 |
1320 |
1416 |
1500 |
1620 |
1680 |
1800 |
1896 |
1980 |
2052 |
2172 |
2256 |
2352 |
| 32 |
1404 |
1500 |
1620 |
1704 |
1800 |
1920 |
2016 |
2112 |
2220 |
2316 |
2412 |
2592 |
|
| |
| |
| Dia
of cylinder |
26" |
27" |
28" |
29" |
30" |
31" |
32" |
33" |
34" |
35" |
36" |
38" |
40" |
| (N.P.I.)
Guage |
| 12 |
984 |
1020 |
1056 |
1092 |
1140 |
1176 |
1212 |
1248 |
1284 |
1320 |
1356 |
1428 |
1500 |
| 13 |
1068 |
1104 |
1152 |
1188 |
1224 |
1272 |
1308 |
1356 |
1392 |
1428 |
1464 |
1536 |
1600 |
| 14 |
1140 |
1188 |
1236 |
1272 |
1320 |
1356 |
1404 |
1440 |
1500 |
1536 |
1584 |
1668 |
1752 |
| 15 |
1224 |
1272 |
1320 |
1368 |
1416 |
1464 |
1500 |
1560 |
1596 |
1656 |
1680 |
1764 |
1848 |
| 16 |
1320 |
1356 |
1404 |
1464 |
1500 |
1560 |
1620 |
1656 |
1704 |
1752 |
1800 |
1896 |
1992 |
| 17 |
1380 |
1440 |
1548 |
1560 |
1620 |
1656 |
1704 |
1752 |
1812 |
1860 |
1920 |
2028 |
2148 |
| 18 |
1440 |
1500 |
1580 |
1620 |
1680 |
1740 |
1800 |
1860 |
1920 |
1980 |
2040 |
2160 |
2280 |
| 19 |
1560 |
1620 |
1680 |
1740 |
1800 |
1860 |
1920 |
1980 |
2040 |
2076 |
2160 |
2280 |
2400 |
| 20 |
1632 |
1692 |
1752 |
1836 |
1896 |
1956 |
2016 |
2076 |
2136 |
2196 |
2256 |
2376 |
2496 |
| 21 |
1716 |
1800 |
1860 |
1920 |
1980 |
2040 |
2112 |
2172 |
2232 |
2292 |
2352 |
2472 |
2592 |
| 22 |
1800 |
1860 |
1920 |
1992 |
2052 |
2136 |
2220 |
2196 |
2352 |
2412 |
2472 |
2592 |
2712 |
| 23 |
1872 |
1944 |
2016 |
2100 |
2172 |
2232 |
2316 |
2376 |
2460 |
2520 |
2592 |
2712 |
2832 |
| 24 |
1956 |
2028 |
2100 |
2172 |
2256 |
2340 |
2412 |
2476 |
2556 |
2616 |
2700 |
2844 |
2988 |
| 26 |
2124 |
2196 |
2280 |
2352 |
2448 |
2532 |
2592 |
2676 |
2780 |
2856 |
2940 |
3100 |
3260 |
| 28 |
2280 |
2376 |
2460 |
2532 |
2640 |
2712 |
2796 |
2892 |
2976 |
3060 |
3156 |
3336 |
3516 |
| 30 |
2448 |
2544 |
2640 |
2724 |
2820 |
2916 |
3012 |
3108 |
3204 |
3288 |
3384 |
3564 |
3744 |
| 32 |
2796 |
2712 |
2808 |
2904 |
3012 |
3108 |
3216 |
3312 |
3408 |
3516 |
3612 |
3816 |
4020 |
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