Weithiau fe'i gelwir hefyd yn National Pipe Thread, NPTF (F for Fuel), American Standard Taper, neu'n syml "pibell".
Mathau o addaswyr NPT: addasydd gwrywaidd neu fenywaidd
Safon Cynnyrch: ISO 11926-3, SAE J514 a BS 5200
Maint siart maint addaswyr NPT yw 1/8 NPT, 1/4 NPT, 3/8 NP, 1/2 NPT, 3/4 NPT, 1 "NPT ac ati.
Deunydd: dur carbon, dur gwrthstaen neu aloi copr
Siâp addaswyr ffitio NPT: syth, Penelin, Tee, Cross, Reducer ac ati.
Addaswyr ffitio NPT i ffitio swivel, addasydd metrig, addasydd bspp, addasydd sae ac ati.
Dimensiynau addasydd LN NPT MALE / NPT MALE / NPT FEMALE fel a ganlyn:
PAR T. NA . | THREA D. | DIMENSION S. | ||||||
E. | F. | G. | A. | B. | C. | S 1 | ||
LN-0 2 | Z1 / 8 "X2 7 | Z1 / 8 "X2 7 | Z1 / 8 "X2 7 | 24. 5 | 24. 5 | 20. 5 | 1 6 | |
LN-0 4 | Z1 / 4 "X1 8 | Z1 / 4 "X1 8 | Z1 / 4 "X1 8 | 2 8 | 2 8 | 22. 5 | 1 9 | |
LN-0 6 | Z3 / 8 "X1 8 | Z3 / 8 "X1 8 | Z3 / 8 "X1 8 | 33. 5 | 33. 5 | 2 5 | 2 4 | |
LN-0 8 | Z1 / 2 "X1 4 | Z1 / 2 "X1 4 | Z1 / 2 "X1 4 | 41. 2 | 41. 2 | 31. 2 | 3 0 | |
LN-1 2 | Z3 / 4 "X1 4 | Z3 / 4 "X1 4 | Z3 / 4 "X1 4 | 46. 5 | 46. 5 | 34. 5 | 3 3 | |
LN-1 6 | Z1 "X11. 5 | Z1 "X11. 5 | Z1 "X11. 5 | 54. 5 | 54. 5 | 41. 1 | 4 1 | |
LN-2 0 | Z1.1 / 4 "X11. 5 | Z1.1 / 4 "X11. 5 | Z1.1 / 4 "X11. 5 | 6 3 | 6 3 | 4 8 | 4 8 | |
LN-2 4 | Z1.1 / 2 "X11. 5 | Z1.1 / 2 "X11. 5 | Z1.1 / 2 "X11. 5 | 71. 5 | 71. 5 | 52. 8 | 6 3 | |
Tagiau poblogaidd: addasydd pibell gwryw i fenyw, Tsieina, gweithgynhyrchwyr, cyflenwyr, arfer, pres, swagelok, Parker, Stauff, Brennan, dur gwrthstaen











