Description
A lap joint flange (LJF flange) is also called loose flange, it has two components, a stub end and a loose backing flange. Stub end is butt welded to the pipe and backing flanges freely moves over the pipe. LJF flange is particularly used for frequent dismantling or hard-to-adjust pipe connection.
Shandong ZhongNuo Heavy Industry Co., Ltd. is a solid manufacturer, supplier, stockiest of steel Flanges in China. We can manufacture high quality blind flanges according to international standards, such as ASME/ ANSI B16.5 flanges, ASME/ ANSI B16.47 flanges, JIS flanges, DIN flanges, EN 1092-1 flanges, AWWA flanges, BS 4504 flanges, SABS/ ASNA 1123 flanges, etc., We are an ISO, KR, KS and PED/AD 2000 certified factory and can meet the demanding requirements of the most critical industries.
Specification
Dimensions of carbon steel lap joint flanges:
ASME/ANSI: DN 1/2” – DN 24”
DIN: DN 15 – DN 2000
EN1092: DN 15 – DN 2000
JIS: 15A-1500A
UNI: DN 10 – DN 2000
SABS: DN 10-DN 600
GOST: DN 10 – DN 1600
Pressure of carbon steel lapped flanges:
ASME/ANSI: Class 150, 300, 600, 900, 1500 2500lbs
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
EN1092: PN6, PN10, PN16, PN25, PN40, PN64, PN100
JIS: 1K,2K,5K,10K,16K,20K,30K,40K
UNI: PN6, PN10, PN16, PN25, PN40
SABS: 600KPA,1000,1600,2500,4000
GOST: PN6, PN10, PN16, PN25
Material of steel lap joint flanges:
Carbon steel lapped flanges: A105, SS400, SF440 RST37.2, S235JRG2, P250GH, C22.8, etc.
Stainless Steel lapped flanges: ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Datasheet
DIN2642 Vorschweißflansche/Lose Flange
| DIN 2641 PN 6 Lose Flansche Glatte Bunde | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rohranschlussmaße | Flansch | Schrauben | Bund und Bördel | Gewicht KG | |||||||||||||||
| d1 | D | d6 | b | k | e | Anzahl | Gewinde | d2 | d5 | h3 | d4 | h4 | s1 | s2 | r | ||||
| DN | Reihe 1 | Reihe 2 | max. | min. | min. | min | Flansch | Bund | |||||||||||
| 10 | 14,0 | 75 | 16 | 10 | 50 | 2 | 4 | M10 | 11 | 14,5 | 8 | 35 | 9 | 1,8 | 3,0 | 2 | 0.298 | 0.051 | |
| 10 | 17,2 | 75 | 19 | 10 | 50 | 2 | 4 | M10 | 11 | 17,7 | 8 | 35 | 9 | 1,8 | 3,0 | 2 | 0.298 | 0.051 | |
| 15 | 20,0 | 80 | 22 | 10 | 55 | 2 | 4 | M10 | 11 | 21,0 | 8 | 40 | 9 | 2,0 | 3,0 | 2 | 0.337 | 0.063 | |
| 15 | 21,3 | 80 | 24 | 10 | 55 | 2 | 4 | M10 | 11 | 22,0 | 8 | 40 | 9 | 2,0 | 3,0 | 2 | 0.337 | 0.063 | |
| 20 | 25,0 | 90 | 28 | 10 | 65 | 2 | 4 | M10 | 11 | 26,0 | 10 | 50 | 12 | 2,0 | 3,0 | 2 | 0.418 | 0.116 | |
| 20 | 26,9 | 90 | 30 | 10 | 65 | 2 | 4 | M10 | 11 | 27,6 | 10 | 50 | 12 | 2,0 | 3,0 | 2 | 0.418 | 0.116 | |
| 25 | 30,0 | 100 | 33 | 12 | 75 | 3 | 4 | M10 | 11 | 31,0 | 10 | 60 | 15 | 2,0 | 3,0 | 3 | 0.620 | 0.166 | |
| 25 | 33,7 | 100 | 36 | 12 | 75 | 3 | 4 | M10 | 11 | 34,4 | 10 | 60 | 15 | 2,0 | 3,0 | 3 | 0.620 | 0.166 | |
| 32 | 38,0 | 120 | 42 | 12 | 90 | 3 | 4 | M12 | 14 | 39,0 | 10 | 70 | 15 | 2,6 | 3,5 | 3 | 0.874 | 0.213 | |
| 32 | 42,4 | 120 | 46 | 12 | 90 | 3 | 4 | M12 | 14 | 43,1 | 10 | 70 | 15 | 2,6 | 3,5 | 3 | 0.874 | 0.213 | |
| 40 | 44,5 | 130 | 50 | 12 | 100 | 3 | 4 | M12 | 14 | 45,5 | 10 | 80 | 17 | 2,6 | 3,5 | 3 | 1.01 | 0.273 | |
| 40 | 48,3 | 130 | 54 | 12 | 100 | 3 | 4 | M12 | 14 | 49,0 | 10 | 80 | 17 | 2,6 | 3,5 | 3 | 1.01 | 0.273 | |
| 50 | 57,0 | 140 | 62 | 12 | 110 | 3 | 4 | M12 | 14 | 58,1 | 12 | 90 | 23 | 2,6 | 3,5 | 3 | 1.12 | 0.359 | |
| 50 | 60,3 | 140 | 65 | 12 | 110 | 3 | 4 | M12 | 14 | 61,1 | 12 | 90 | 23 | 2,6 | 3,5 | 3 | 1.12 | 0.359 | |
| 65 | 76,1 | 160 | 81 | 12 | 130 | 3 | 4 | M12 | 14 | 77,1 | 12 | 110 | 23 | 2,6 | 3,5 | 3 | 1.35 | 0.468 | |
| 80 | 88,9 | 190 | 94 | 14 | 150 | 3 | 4 | M16 | 18 | 90,3 | 14 | 128 | 23 | 3,2 | 4,0 | 3 | 2.24 | 0.730 | |
| 100 | 108,0 | 210 | 113 | 14 | 170 | 3 | 4 | M16 | 18 | 109,6 | 14 | 148 | 28 | 3,2 | 4,0 | 3 | 2.59 | 0.884 | |
| 100 | 114,3 | 210 | 119 | 14 | 170 | 3 | 4 | M16 | 18 | 115,9 | 14 | 148 | 28 | 3,2 | 4,0 | 3 | 2.59 | 0.884 | |
| 125 | 133,0 | 240 | 138 | 14 | 200 | 3 | 8 | M16 | 18 | 134,8 | 14 | 178 | 30 | 3,2 | 4,0 | 3 | 3.10 | 1.21 | |
| 125 | 139,7 | 240 | 145 | 14 | 200 | 3 | 8 | M16 | 18 | 141,6 | 14 | 178 | 30 | 3,2 | 4,0 | 3 | 3.10 | 1.21 | |
| 150 | 159,0 | 265 | 164 | 14 | 225 | 3 | 8 | M16 | 18 | 161,1 | 14 | 202 | 30 | 3,2 | 4,0 | 3 | 3.52 | 1.34 | |
| 150 | 168,3 | 265 | 173 | 14 | 225 | 3 | 8 | M16 | 18 | 170,5 | 14 | 202 | 30 | 3,2 | 4,0 | 3 | 3.52 | 1.34 | |
| 200 | 219,1 | 320 | 225 | 16 | 280 | 3 | 8 | M16 | 18 | 221,8 | 16 | 258 | 30 | 3,2 | 4,0 | 3 | 4.98 | 2 | |
| 250 | 267,0 | 375 | 273 | 20 | 335 | 3 | 12 | M16 | 18 | 270,2 | 18 | 312 | 30 | 4,0 | 5,0 | 3 | 7.67 | 2.89 | |
| 250 | 273,0 | 375 | 279 | 20 | 335 | 3 | 12 | M16 | 18 | 276,2 | 18 | 312 | 30 | 4,0 | 5,0 | 3 | 7.67 | 2.89 | |
| 300 | 323,9 | 440 | 329 | 24 | 395 | 4 | 12 | M 20 | 22 | 327,6 | 18 | 365 | 35 | 4,0 | 5,0 | 4 | 12.3 | 3.56 | |
| 350 | 355,6 | 490 | 362 | 26 | 445 | 4 | 12 | M 20 | 22 | 359,7 | 18 | 415 | 4 | 15.1 | 4.08 | ||||
| 350 | 368,0 | 490 | 374 | 26 | 445 | 4 | 12 | M 20 | 22 | 372,2 | 18 | 415 | 4 | 15.1 | 4.08 | ||||
| 400 | 406,4 | 540 | 413 | 28 | 495 | 4 | 16 | M 20 | 22 | 411,0 | 20 | 465 | 4 | 17.7 | 4.91 | ||||
| 400 | 419,0 | 540 | 426 | 28 | 495 | 4 | 16 | M 20 | 22 | 423,7 | 20 | 465 | 4 | 17.7 | 4.91 | ||||
| 500 | 508,0 | 521,0 | 645 | 517 | 32 | 600 | 4 | 20 | M 20 | 22 | 513,6 | 22 | 570 | 4 | 25.4 | 7.39 | |||
| 600 | 610,0 | 620,0 | 755 | 618 | 36 | 705 | 4 | 20 | M24 | 26 | 616,6 | 22 | 670 | 4 | 36.3 | 8.60 | |||
| 700 | 711,0 | 720,0 | 860 | 721 | 40 | 810 | 4 | 24 | M24 | 26 | 718,6 | 24 | 775 | 4 | 48.1 | 14 | |||
| 800 | 813,0 | 820,0 | 975 | 824 | 44 | 920 | 4 | 24 | M27 | 30 | 821,5 | 24 | 880 | 4 | 66.5 | 16.8 | |||
| 900 | 914,4 | 1075 | 926 | 48 | 1020 | 4 | 24 | M27 | 30 | 923.5 | 26 | 980 | 4 | 81.3 | 20.1 | ||||
| 1000 | 1016 | 1175 | 1028 | 52 | 1120 | 4 | 28 | M27 | 30 | 1026.7 | 26 | 1080 | 4 | 96.4 | 21.5 | ||||
| 1200 | 1220 | 1405 | 1232 | 60 | 1340 | 5 | 32 | M30 | 33 | 1232.7 | 28 | 1295 | 6 | 158 | 32.6 | ||||
| DIN 2642 PN 10 Lose Flansche Glatte Bunde | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rohranschlussmaße | Flansch | Schrauben | Bund und Bördel | Gewicht KG | |||||||||||||||
| d1 | D | d6 | b | k | e | Anzahl | Gewinde | d2 | d5 | h3 | d4 | h4 | s1 | s2 | r | ||||
| DN | Reihe 1 | Reihe 2 | max. | min. | min. | min | Flansch | Bund | |||||||||||
| 10 | 14,0 | 90 | 16 | 14 | 60 | 3 | 4 | M12 | 14 | 14,5 | 10 | 40 | 9 | 1,8 | 3,0 | 3 | 0.559 | 0.087 | |
| 10 | 17,2 | 90 | 19 | 14 | 60 | 3 | 4 | M 12 | 14 | 17,7 | 10 | 40 | 9 | 1,8 | 3,0 | 3 | 0.559 | 0.087 | |
| 15 | 20,0 | 95 | 22 | 14 | 65 | 3 | 4 | M12 | 14 | 21,0 | 10 | 45 | 9 | 2,0 | 3,0 | 3 | 0.689 | 0.105 | |
| 15 | 21,3 | 95 | 24 | 14 | 65 | 3 | 4 | M 12 | 14 | 22,0 | 10 | 45 | 9 | 2,0 | 3,0 | 3 | 0.689 | 0.105 | |
| 20 | 25,0 | 105 | 28 | 14 | 75 | 3 | 4 | M12 | 14 | 26,0 | 12 | 58 | 12 | 2,0 | 3,0 | 3 | 0.806 | 0.203 | |
| 20 | 26,9 | 105 | 30 | 16 | 75 | 3 | 4 | M 12 | 14 | 27,6 | 12 | 58 | 12 | 2,0 | 3,0 | 3 | 0.806 | 0.203 | |
| 25 | 30,0 | 115 | 33 | 16 | 85 | 4 | 4 | M 12 | 14 | 31,0 | 12 | 68 | 15 | 2,0 | 3,0 | 4 | 1.110 | 0.276 | |
| 25 | 33,7 | 115 | 36 | 16 | 85 | 4 | 4 | M12 | 14 | 34,4 | 12 | 68 | 15 | 2,0 | 3,0 | 4 | 1.110 | 0.276 | |
| 32 | 38,0 | 140 | 42 | 16 | 100 | 4 | 4 | M 16 | 18 | 39,0 | 12 | 78 | 15 | 2,6 | 3,5 | 4 | 1.640 | 0.343 | |
| 32 | 42,4 | 140 | 46 | 16 | 100 | 4 | 4 | M16 | 18 | 43,1 | 12 | 78 | 15 | 2,6 | 3,5 | 4 | 1.640 | 0.343 | |
| 40 | 44,5 | 150 | 50 | 16 | 110 | 4 | 4 | M16 | 18 | 45,5 | 12 | 88 | 17 | 2,6 | 3,5 | 4 | 1.860 | 0.426 | |
| 40 | 48,3 | 150 | 54 | 16 | 110 | 4 | 4 | M16 | 18 | 49,0 | 12 | 88 | 17 | 2,6 | 3,5 | 4 | 1.860 | 0.426 | |
| 50 | 57,0 | 165 | 62 | 16 | 125 | 5 | 4 | M 16 | 18 | 58,1 | 18 | 102 | 23 | 2,6 | 3,5 | 5 | 2.200 | 0.618 | |
| 50 | 60,3 | 165 | 65 | 16 | 125 | 5 | 4 | M16 | 18 | 61,1 | 18 | 102 | 23 | 2,6 | 3,5 | 5 | 2.200 | 0.618 | |
| 65 | 76,1 | 185 | 81 | 16 | 145 | 5 | 4 | M16 | 18 | 77,1 | 18 | 122 | 23 | 2,6 | 3,5 | 5 | 2.620 | 0.786 | |
| 80 | 88,9 | 200 | 94 | 18 | 160 | 5 | 8 | M16 | 18 | 90,3 | 18 | 138 | 23 | 3,2 | 4,0 | 5 | 3.320 | 1.100 | |
| 100 | 108,0 | 220 | 113 | 18 | 180 | 5 | 8 | M 16 | 18 | 109,6 | 18 | 158 | 28 | 3,2 | 4,0 | 5 | 3.670 | 1.310 | |
| 100 | 114,3 | 220 | 119 | 18 | 180 | 5 | 8 | M16 | 18 | 115,9 | 18 | 158 | 28 | 3,2 | 4,0 | 5 | 3.670 | 1.310 | |
| 125 | 133,0 | 250 | 138 | 18 | 210 | 5 | 8 | M16 | 18 | 134,8 | 18 | 188 | 30 | 3,2 | 4,0 | 5 | 4.540 | 1.960 | |
| 125 | 139,7 | 250 | 145 | 18 | 210 | 5 | 8 | M 16 | 18 | 141,6 | 18 | 188 | 30 | 3,2 | 4,0 | 5 | 4.540 | 1.960 | |
| 150 | 159,0 | 285 | 164 | 18 | 240 | 5 | 8 | M 20 | 22 | 161,1 | 22 | 212 | 30 | 3,2 | 4,0 | 5 | 5.600 | 2.180 | |
| 150 | 168,3 | 285 | 173 | 18 | 240 | 5 | 8 | M 20 | 22 | 170,5 | 22 | 212 | 30 | 3,2 | 4,0 | 5 | 5.600 | 2.180 | |
| 200 | 219,1 | 340 | 225 | 20 | 295 | 5 | 8 | M 20 | 22 | 221,8 | 22 | 268 | 30 | 3,2 | 4,0 | 5 | 7.460 | 3.100 | |
| 250 | 267,0 | 395 | 273 | 22 | 350 | 5 | 12 | M 20 | 22 | 270,2 | 22 | 320 | 30 | 4,0 | 5,0 | 5 | 10.300 | 4.220 | |
| 250 | 273,0 | 395 | 279 | 22 | 350 | 5 | 12 | M 20 | 22 | 276,2 | 22 | 320 | 30 | 4,0 | 5,0 | 5 | 10.300 | 4.220 | |
| 300 | 323,9 | 445 | 329 | 26 | 400 | 5 | 12 | M 20 | 22 | 327,6 | 22 | 370 | 35 | 4,0 | 5,0 0 | 5 | 14.000 | 4.850 | |
| 350 | 355,6 | 505 | 362 | 28 | 460 | 6 | 16 | M 20 | 22 | 359,7 | 22 | 430 | 35 | 6 | 18.500 | 6.710 | |||
| 350 | 368,0 | 505 | 374 | 28 | 460 | 6 | 16 | M 20 | 22 | 372,2 | 22 | 430 | 35 | 6 | 18.500 | 6.710 | |||
| 400 | 406,4 | 565 | 413 | 32 | 515 | 6 | 16 | M 24 | 26 | 411,0 | 26 | 482 | 40 | 6 | 25.000 | 8.280 | |||
| 400 | 419,0 | 565 | 426 | 32 | 515 | 6 | 16 | M 24 | 26 | 423,7 | 26 | 482 | 40 | 6 | 25.000 | 8.280 | |||
| 500 | 508,0 | 521,0 | 670 | 517 | 38 | 620 | 6 | 20 | M 24 | 26 | 513,6 | 26 | 585 | 45 | 6 | 37.000 | 11.500 | ||
| 600 | 610,0 | 620,0 | 780 | 618 | 44 | 725 | 7 | 20 | M 27 | 30 | 616,6 | 30 | 685 | 45 | 7 | 56.300 | 15.600 | ||
| 700 | 711,0 | 720,0 | 895 | 721 | 50 | 840 | 7 | 24 | M27 | 30 | 718,6 | 30 | 800 | 45 | 7 | 80.400 | 23.200 | ||
| 800 | 813,0 | 820,0 | 1015 | 824 | 56 | 950 | 7 | 24 | M 30 | 33 | 821,5 | 33 | 905 | 45 | 7 | 113.200 | 29.200 | ||
| 900 | 914,4 | 1005 | 45 | ||||||||||||||||
| 1000 | 1016 | 1105 | 45 | ||||||||||||||||
