DIMENSIONS OF THREADED FITTINGS(coupling and cap)
Dimensions in Millimeters
| DN | Nom.Pipe Size | End to End couplings W | End to End Caps P | Outside Diameter D | End Wall Thickness G Min. | Length of Thread. Min.(1)º | |||||
| 3000&6000 | 3000 | 6000 | 3000 | 6000 | 3000 | 6000 | B | Lº2 | |||
| 6 | 1/8 | 32 | 19 | ... | 16 | 22 | 4.8 | ... | 6.4 | 6.7 | |
| 8 | 1/4 | 35 | 25 | 27 | 19 | 25 | 4.8 | 6.4 | 8.1 | 10.2 | |
| 10 | 3/8 | 38 | 25 | 27 | 22 | 32 | 4.8 | 6.4 | 9.1 | 10.4 | |
| 15 | 1/2 | 48 | 32 | 33 | 28 | 38 | 6.4 | 7.9 | 10.9 | 13.6 | |
| 20 | 3/4 | 51 | 37 | 38 | 35 | 44 | 6.4 | 7.9 | 12.7 | 13.9 | |
| 25 | 1 | 60 | 41 | 43 | 44 | 57 | 9.7 | 11.2 | 14.7 | 17.3 | |
| 32 | 1-1/4 | 67 | 44 | 46 | 57 | 64 | 9.7 | 11.2 | 17.0 | 18.0 | |
| 40 | 1-1/2 | 79 | 44 | 48 | 64 | 76 | 11.2 | 12.7 | 17.8 | 18.4 | |
| 50 | 2 | 86 | 48 | 51 | 76 | 92 | 12.7 | 15.7 | 19.0 | 19.2 | |
| 65 | 2-1/2 | 92 | 60 | 64 | 92 | 108 | 15.7 | 19.0 | 23.6 | 28.9 | |
| 80 | 3 | 108 | 65 | 68 | 108 | 127 | 19.0 | 22.4 | 25.9 | 30.5 | |
| 100 | 4 | 121 | 68 | 75 | 140 | 159 | 22.4 | 28.4 | 27.7 | 33.0 | |
(1)Dimension B is minimum length of perfect thread.The length of useful thread(B plus threads with
fully formed roots and flat crests)shall not to be less than L2(effective length of external thread)
required by American National Standard for Pipe Threads(ANSI/ASME B1.20.1)
(2)Class 2000 and NPS 1/8(DN6)class 6000 couplings,half coupings and caps are not included in this standard.
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