Amerikanisches Rohrgewinde für selbstdichtende Verbindungen (kegelig), mit Dichtmittel (National Pipe Taper).
Der Flankenwinkel beträgt 60°.
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Gewinde- kennung |
Durchmesser außen mm |
Durchmesser Kernloch am dünnen Rohrende mm |
Gänge je Inch |
Steigung mm |
1/16" - 27 NPT | 7,895 | 6,00 | 27 | 0,941 |
1/8" - 27 NPT | 10,242 | 8,25 | 27 | 0,941 |
1/4" - 18 NPT | 13,616 | 10,70 | 18 | 1,411 |
3/8" - 18 NPT | 17,055 | 14,10 | 18 | 1,411 |
1/2" - 14 NPT | 21,223 | 17,40 | 14 | 1,814 |
3/4" - 14 NPT | 26,568 | 22,60 | 14 | 1,814 |
1" - 11 1/2 NPT | 33,228 | 28,50 | 11,5 | 2,209 |
1 1/4" - 11 1/2 NPT | 41,985 | 37,00 | 11,5 | 2,209 |
1 1/2" - 11 1/2 NPT | 48,054 | 43,50 | 11,5 | 2,209 |
2" - 11 1/2 NPT | 60,092 | 55,00 | 11,5 | 2,209 |
2 1/2" - 8 NPT | 72,699 | 65,50 | 8 | 3,175 |
3" - 8 NPT | 88,608 | 81,50 | 8 | 3,175 |
3 1/2" - 8 NPT | 101,316 | 94,30 | 8 | 3,175 |
4" - 8 NPT | 113,973 | 107,00 | 8 | 3,175 |
5" - 8 NPT | 141,300 | 134,384 | 8 | 3,175 |
6" - 8 NPT | 168,275 | 161,191 | 8 | 3,175 |
8" - 8 NPT | 219,075 | 211,673 | 8 | 3,175 |
10" - 8 NPT | 273,050 | 265,311 | 8 | 3,175 |
12" - 8 NPT | 323,850 | 315,793 | 8 | 3,175 |
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