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Flat flange specifically designed to be bolted to another flange by means of bolts. Standard 2642 specifies the basic dimensions and characteristics.
DIN 2642, PN-10, AISI 304, 304-L, 316, 316-L
| D.N. | D | d1 | d3 | b1 | Nº Taladros | K | d2 | Tornillos |
|---|---|---|---|---|---|---|---|---|
| 10 | 90 | 14/17.2 | 14.5/17.7 | 14 | 4 | 60 | 14 | M-12 |
| 15 | 95 | 18/21.3 | 18.5/21.8 | 14 | 4 | 65 | 14 | M-12 |
| 20 | 105 | 23/26.9 | 23.5/27.4 | 16 | 4 | 75 | 14 | M-12 |
| 25 | 115 | 28/33.7 | 28.5/34.2 | 16 | 4 | 85 | 14 | M-12 |
| 32 | 140 | 38/42.4 | 38.5/42.9 | 16 | 4 | 100 | 18 | M-16 |
| 40 | 150 | 43/48.3 | 43.5/48.8 | 16 | 4 | 110 | 18 | M-16 |
| 50 | 165 | 53/60.3/63 | 53.5/60.8/63.5 | 18 | 4 | 125 | 18 | M-16 |
| 65 | 185 | 73/76.1 | 73.5/76.6 | 18 | 4 | 145 | 18 | M-16 |
| 80 | 200 | 84/88.9 | 84.5/89.4 | 20 | 4 | 160 | 18 | M-16 |
| 100 | 220 | 104/114.3 | 104.5/114.8 | 20 | 8 | 180 | 18 | M-16 |
| 125 | 250 | 129/139.7 | 129.5/140.2 | 22 | 8 | 210 | 18 | M-16 |
| 150 | 285 | 154/168.3 | 154.5/168.8 | 22 | 8 | 240 | 23 | M-20 |
| 200 | 340 | 204/219.1 | 204.5/220.1 | 24 | 8 | 295 | 23 | M-20 |
| 250 | 395 | 254/273 | 254.5/273.5 | 26 | 12 | 350 | 23 | M-20 |
| 300 | 445 | 304/323.9 | 304.5/324.9 | 26 | 12 | 400 | 23 | M-20 |
| 350 | 505 | 355.6/368 | 356.6/369 | 28 | 16 | 460 | 23 | M-20 |
| 400 | 565 | 404/406.4 | 405/407.4 | 32 | 16 | 515 | 26 | M-24 |
| 500 | 670 | 504/508 | 505/509 | 38 | 20 | 620 | 26 | M-24 |
| D.N. | D | d1 | d3 | b1 | No. of drills | K | d2 | Screws |
|---|---|---|---|---|---|---|---|---|
| 10 | 90 | 14/17.2 | 14.5/17.7 | 14 | 4 | 60 | 14 | M-12 |
| 15 | 95 | 18/21.3 | 18.5/21.8 | 14 | 4 | 65 | 14 | M-12 |
| 20 | 105 | 23/26.9 | 23.5/27.4 | 16 | 4 | 75 | 14 | M-12 |
| 25 | 115 | 28/33.7 | 28.5/34.2 | 16 | 4 | 85 | 14 | M-12 |
| 32 | 140 | 38/42.4 | 38.5/42.9 | 16 | 4 | 100 | 18 | M-16 |
| 40 | 150 | 43/48.3 | 43.5/48.8 | 16 | 4 | 110 | 18 | M-16 |
| 50 | 165 | 53/60.3/63 | 53.5/60.8/63.5 | 18 | 4 | 125 | 18 | M-16 |
| 65 | 185 | 73/76.1 | 73.5/76.6 | 18 | 4 | 145 | 18 | M-16 |
| 80 | 200 | 84/88.9 | 84.5/89.4 | 20 | 4 | 160 | 18 | M-16 |
| 100 | 220 | 104/114.3 | 104.5/114.8 | 20 | 8 | 180 | 18 | M-16 |
| 125 | 250 | 129/139.7 | 129.5/140.2 | 22 | 8 | 210 | 18 | M-16 |
| 150 | 285 | 154/168.3 | 154.5/168.8 | 22 | 8 | 240 | 23 | M-20 |
| 200 | 340 | 204/219.1 | 204.5/220.1 | 24 | 8 | 295 | 23 | M-20 |
| 250 | 395 | 254/273 | 254.5/273.5 | 26 | 12 | 350 | 23 | M-20 |
| 300 | 445 | 304/323.9 | 304.5/324.9 | 26 | 12 | 400 | 23 | M-20 |
| 350 | 505 | 355.6/368 | 356.6/369 | 28 | 16 | 460 | 23 | M-20 |
| 400 | 565 | 404/406.4 | 405/407.4 | 32 | 16 | 515 | 26 | M-24 |
| 500 | 670 | 504/508 | 505/509 | 38 | 20 | 620 | 26 | M-24 |
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 90º elbow with female threads (cast iron) – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 53 | 60 | 70 | |||
| E | 21 | 24 | 26 | 33 | 37 | 44 | 48 | 55 | |||
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 90º tee with female thread (cast iron) – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 50 | 55 | 70 | |||
| L | 40 | 46 | 60 | 70 | 80 | 90 | 102 | 122 | |||
| E | 20 | 23 | 30 | 35 | 40 | 45 | 51 | 61 | |||
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Coupling sleeve, male thread and welding – Dimensions in mm | |||||||||||
| D | 13 | 16.5 | 20.7 | 26.2 | 33 | 41.6 | 47.6 | 59.4 | 75 | 87.6 | 113.2 |
| G | 12 | 13 | 14 | 15 | 16 | 18 | 20 | 21 | 23 | 25 | 26 |
| F | 15 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 28 | 29 |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | 100 |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cross with female threads – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 50 | 55 | 70 | |||
| E | 20 | 23 | 30 | 35 | 40 | 45 | 51 | 61 | |||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction sleeve, female-female thread – Dimensions in mm | |||||||||||
| D | – | 22 | 28 | 32 | 40 | 50 | 55 | 70 | |||
| F | – | 21 | 21 | 21 | 25 | 25 | 25 | 26 | |||
| G | – | 15 | 15 | 17 | 19 | 21 | 22 | 23 | |||
| d. y r. Depending on the reduction measure | |||||||||||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reducing nut male-female thread – Dimensions in mm | |||||||||||
| D (between planes) | – | 20 | 24 | 32 | 36 | 46 | 52 | 64 | – | – | – |
| F | – | 8 | 10 | 10 | 10 | 12 | 13 | 14 | – | – | – |
| G | – | 16 | 16 | 18 | 22 | 26 | 29 | 29 | – | – | – |
| r | Depending on the reduction measure | ||||||||||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Female threaded sleeve – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 32 | 40 | 50 | 55 | 70 | 85 | 100 | – |
| L | 27 | 28 | 30 | 32 | 35 | 38 | 42 | 45 | 48 | 53 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tap, male thread – Dimensions in mm | |||||||||||
| D (between planes) | 17 | 21 | 25 | 30 | 38 | 50 | 55 | 65 | 80 | 98 | – |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | – |
| F | 4 | 4 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | – |
| G | 12 | 15 | 17 | 18 | 19 | 20 | 22 | 23 | 25 | 27 | – |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Half link – Dimensions in mm | |||||||||||
| D | 6 | 10 | 14 | 20 | 23 | 31 | 37 | 47 | – | – | – |
| d | 4 | 7 | 10 | 16 | 19 | 27 | 33 | 41 | – | – | – |
| A | 13 | 14 | 23 | 28 | 33 | 38 | 51 | 51 | – | – | – |
| L | 25 | 25 | 36 | 44 | 52 | 62 | 75 | 76 | – | – | – |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Plug, male thread – Dimensions in mm | |||||||||||
| L | 17 | 19 | 23 | 26 | 29 | 33 | 34 | 36 | 42 | 45 | – |
| D | 18 | 25 | 28 | 35 | 40 | 50 | 55 | 70 | 85 | 105 | – |
| A | 9 | 10 | 12 | 14 | 15 | 19 | 19 | 19 | 22 | 25 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Plug, male thread – Dimensions in mm | |||||||||||
| L | 17 | 19 | 23 | 26 | 29 | 33 | 34 | 36 | 42 | 45 | – |
| D | 18 | 25 | 28 | 35 | 40 | 50 | 55 | 70 | 85 | 105 | – |
| A | 9 | 10 | 12 | 14 | 15 | 19 | 19 | 19 | 22 | 25 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hexagonal nut, female thread – Dimensions in mm | |||||||||||
| L | 5 | 5 | 7 | 7 | 8 | 9 | 10 | 10 | 12 | 12 | – |
| D (between faces) | 22 | 27 | 32 | 36 | 46 | 55 | 60 | 75 | 85 | 100 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conical joint coupling, 3 pieces, female thread – Dimensions in mm | |||||||||||
| L | 34 | 40 | 44 | 44 | 50 | 52 | 60 | 67 | 75 | 80 | 97 |
| D (between faces) | 32 | 36 | 44 | 49 | 53 | 68 | 71 | 90 | 108 | 120 | 155 |
| d (between faces) | 19 | 22 | 28 | 32 | 37 | 48 | 52 | 67 | 84 | 95 | 124 |
| 0 | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conical joint coupling, 3 pieces, male-female thread – Dimensions in mm | |||||||||||
| L | 47 | 56 | 62 | 62 | 70 | 78 | 81 | 99 | 107 | 114 | 133 |
| D (between faces) | 32 | 36 | 44 | 49 | 53 | 68 | 71 | 90 | 108 | 120 | 155 |
| d (between faces) | 19 | 22 | 28 | 32 | 37 | 48 | 52 | 67 | 84 | 95 | 124 |
| A | 13 | 15 | 17 | 18 | 19 | 21 | 23 | 29 | 32 | 34 | 36 |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hose coupling, male thread – Dimensions in mm | |||||||||||
| L | 41 | 45 | 51 | 57 | 63 | 69 | 84 | 90 | 90 | 100 | 104 |
| D | 12 | 15 | 19 | 25 | 30 | 40 | 50 | 50 | 65 | 75 | 100 |
| A | 9 | 9 | 11 | 12 | 15 | 16 | 19 | 19 | 19 | 22 | 25 |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sleeve, male thread – Dimensions in mm | |||||||||||
| L | 22 | 28 | 29 | 32 | 35 | 38 | 42 | 45 | 48 | 53 | 55 |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | 100 |