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Zylindrisches vorbohren ohne |
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Zylindrisches vorbohren und kegelig reiben mit Benutzung einer Reibahle |
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Zylindrisches vorbohren ohne |
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Zylindrisches vorbohren und kegelig reiben mit Benutzung einer Reibahle |
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Größe Zoll |
Gewinde- bezeichnung NPT | Gewinde- bezeichnung NPTF | Aussen-durchmesser Rohr |
Steigung Gangzahl Zoll |
Steigung mm | d1 | t1min. | d2 |
NPT d3 |
NPTF d3 |
| 1/16 | NPT 1/16" | NPTF 1/16 | 7,937 | 27 | 0,941 | 6,2 | 12 | 6 | 6,39 | 6,41 |
| 1/8 | NPT 1/8" | NPTF 1/8 | 10,287 | 27 | 0,941 | 8,5 | 12 | 8,3 | 8,74 | 8,76 |
| 1/4 | NPT 1/4" | NPTF 1/4 | 13,716 | 18 | 1,411 | 11 | 17,5 | 10,7 | 11,36 | 11,4 |
| 3/8 | NPT 3/8" | NPTF 3/8 | 17,145 | 18 | 1,411 | 14,5 | 17,6 | 14,2 | 14,8 | 14,84 |
| 1/2 | NPT 1/2" | NPTF 1/2 | 21,336 | 14 | 1,814 | 17,8 | 22,9 | 17,4 | 18,32 | 18,33 |
| 3/4 | NPT 3/4" | NPTF 3/4 | 26,67 | 14 | 1,814 | 23 | 23 | 22,5 | 23,67 | 23,68 |
| 1 | NPT 1" | NPTF 1 | 33,401 | 11,5 | 2,209 | 29 | 27,4 | 28,5 | 29,69 | 29,72 |
| 1 1/4 | NPT 1 1/4" | NPTF 1 1/4 | 42,164 | 11,5 | 2,209 | 37,5 | 28 | 37 | 38,45 | 38,48 |
| 1 1/2 | NPT 1 1/2" | NPTF 1 1/2 | 48,26 | 11,5 | 2,209 | 44 | 28,4 | 43,5 | 44,52 | 44,55 |
| 2 | NPT 2" | NPTF 2 | 60,325 | 11,5 | 2,209 | 56 | 28 | 55,5 | 56,56 | 56,59 |
| 2 1/2 | NPT 2 1/2" | NPTF 2 1/2 | 73,025 | 8 | 3,175 | 66,5 | 40,8 | 66 | 67,62 | 67,67 |
| 3 | NPT 3" | NPTF 3 | 88,9 | 8 | 3,175 | 82,5 | 43 | 82 | 83,53 | 83,58 |
| 3 1/2 | NPT 3 1/2" | NPTF 3 1/2 | 101,6 | 8 | 3,175 | |||||
| 4 | NPT 4" | NPTF 4 | 114,3 | 8 | 3,175 | |||||
| 5 | NPT 5" | NPTF 5 | 141,3 | 8 | 3,175 | |||||
| 6 | NPT 6" | NPTF 6 | 168,275 | 8 | 3,175 | |||||
| 8 | NPT 8" | NPTF 8 | 219,075 | 8 | 3,175 | |||||
| 10 | NPT 10" | NPTF 10 | 273,05 | 8 | 3,175 | |||||
| 12 | NPT 12" | NPTF 12 | 323,85 | 8 | 3,175 |