Lap Joint Flanges
ASME SA182 Duplex 2205 Lap Joint Flanges, UNS N08904 Lap Joint Flanges, DIN 1.4301 Lap Joint Flanges, UNS S30400 Lap Joint Flanges, 2507 Super Duplex Lap Joint Flanges.
About Lap Joint Flanges
NISSAN STEEL Manufacturer supplier of SS, High nickel and Duplex / Super duplex Flanges, for enquiry contact on email: sales@nissansteel.com, export@nissansteel.com, nissansteels@gmail.com
UNS N06625 Lap Joint Flanges Exporter, Duplex 31803 Lap Joint Flanges Stockist, WRN 2.4856 Lap Joint Flanges Manufacturer, Inconel 625 Lap Joint Flanges Exporter.
Specification of Lap Joint Flanges
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Lap Joint Flanges |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Lap Joint Flanges |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar Lap Joint Flanges |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Lap Joint Flanges |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Lap Joint Flanges |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar Lap Joint Flanges |
| Most common types of Lap Joint Flanges | Forged / Threaded / Screwed / Plate |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
Dimensions Standard Of Lap Joint Flanges
Class 150 Lap Joint Flange Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | Machine Bolt Length | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | ||||||||||
| 1/2 | 15 | 90 | 30 | 16 | 22.9 | 60.3 | 11.2 | 3 | 4 | 1/2 | 50 | 55 | 5/8 | M14 | 0.8 |
| 3/4 | 20 | 100 | 38 | 16 | 28.2 | 69.9 | 12.7 | 3 | 4 | 1/2 | 50 | 65 | 5/8 | M14 | 0.9 |
| 1 | 25 | 110 | 49 | 17 | 34.9 | 79.4 | 14.3 | 3 | 4 | 1/2 | 55 | 65 | 5/8 | M14 | 0.9 |
| 1 1/4 | 32 | 115 | 59 | 21 | 43.7 | 88.9 | 15.9 | 5 | 4 | 1/2 | 55 | 70 | 5/8 | M14 | 1.4 |
| 1 1/2 | 40 | 125 | 65 | 22 | 50 | 98.4 | 17.5 | 6 | 4 | 1/2 | 65 | 70 | 5/8 | M14 | 1.4 |
| 2 | 50 | 150 | 78 | 25 | 62.5 | 120.7 | 19.1 | 8 | 4 | 5/8 | 70 | 85 | 3/4 | M16 | 2.3 |
| 2 1/2 | 65 | 180 | 90 | 29 | 75.4 | 139.7 | 22.3 | 8 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 3.2 |
| 3 | 80 | 190 | 108 | 30 | 91.4 | 152.4 | 23.9 | 10 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 3.7 |
| 3 1/2 | 90 | 215 | 122 | 32 | 104.1 | 177.8 | 23.9 | 11 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 5 |
| 4 | 100 | 230 | 135 | 33 | 116.8 | 190.5 | 23.9 | 11 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 5.9 |
| 5 | 125 | 255 | 164 | 36 | 144.4 | 215.9 | 23.9 | 11 | 8 | 3/4 | 85 | 95 | 7/8 | M20 | 6.8 |
| 6 | 150 | 280 | 192 | 40 | 171.4 | 241.3 | 25.4 | 13 | 8 | 3/4 | 85 | 100 | 7/8 | M20 | 8.6 |
| 8 | 200 | 345 | 246 | 44 | 222.2 | 298.5 | 28.6 | 13 | 8 | 3/4 | 90 | 110 | 7/8 | M20 | 13.7 |
| 10 | 250 | 405 | 305 | 49 | 277.4 | 362 | 30.2 | 13 | 12 | 7/8 | 100 | 115 | 1 | M24 | 19.5 |
| 12 | 300 | 485 | 365 | 56 | 328.2 | 431.8 | 31.8 | 13 | 12 | 7/8 | 100 | 120 | 1 | M24 | 29 |
| 14 | 350 | 535 | 400 | 79 | 360.2 | 476.3 | 35 | 13 | 12 | 1 | 115 | 135 | 1 1/8 | M27 | 41 |
| 16 | 400 | 595 | 457 | 87 | 411.2 | 539.8 | 36.6 | 13 | 16 | 1 | 115 | 135 | 1 1/8 | M27 | 54 |
| 18 | 450 | 635 | 505 | 97 | 462.3 | 577.9 | 39.7 | 13 | 16 | 1 1/8 | 125 | 145 | 1 1/4 | M30 | 59 |
| 20 | 500 | 700 | 559 | 103 | 514.4 | 635 | 42.9 | 13 | 20 | 1 1/8 | 140 | 160 | 1 1/4 | M30 | 75 |
| 24 | 600 | 815 | 663 | 111 | 616 | 749.3 | 47.9 | 13 | 20 | 1 1/4 | 150 | 170 | 1 3/8 | M33 | 100 |
Class 300 Lap Joint Flange Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | Machine Bolt Length | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | ||||||||||
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 55 | 65 | 5/8 | M14 | 1.2 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 65 | 75 | 3/4 | M16 | 1.4 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 65 | 75 | 3/4 | M16 | 1.4 |
| 1 1/4 | 32 | 135 | 64 | 27 | 43.7 | 98.4 | 19.1 | 5 | 4 | 5/8 | 70 | 85 | 3/4 | M16 | 1.8 |
| 1 1/2 | 40 | 155 | 70 | 30 | 50 | 114.3 | 20.7 | 6 | 4 | 3/4 | 75 | 90 | 7/8 | M20 | 2.7 |
| 2 | 50 | 165 | 84 | 33 | 62.5 | 127 | 22.3 | 8 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 3.2 |
| 2 1/2 | 65 | 190 | 100 | 38 | 75.4 | 149.2 | 25.4 | 8 | 8 | 3/4 | 85 | 100 | 7/8 | M20 | 4.6 |
| 3 | 80 | 210 | 117 | 43 | 91.4 | 168.3 | 28.6 | 10 | 8 | 3/4 | 90 | 110 | 7/8 | M20 | 5.9 |
| 3 1/2 | 90 | 230 | 133 | 44 | 104.1 | 184.2 | 30.2 | 11 | 8 | 3/4 | 95 | 110 | 7/8 | M20 | 7.7 |
| 4 | 100 | 255 | 146 | 48 | 116.8 | 200 | 31.8 | 11 | 8 | 3/4 | 95 | 115 | 7/8 | M20 | 10 |
| 5 | 125 | 280 | 178 | 51 | 144.4 | 235 | 35 | 11 | 8 | 3/4 | 110 | 120 | 7/8 | M20 | 12.7 |
| 6 | 150 | 320 | 206 | 52 | 171.4 | 269.9 | 36.6 | 13 | 12 | 3/4 | 110 | 120 | 7/8 | M20 | 17.7 |
| 8 | 200 | 380 | 260 | 62 | 222.2 | 330.2 | 41.3 | 13 | 12 | 7/8 | 120 | 140 | 1 | M24 | 26 |
| 10 | 250 | 445 | 321 | 95 | 277.4 | 387.4 | 47.7 | 13 | 16 | 1 | 140 | 160 | 1 1/8 | M27 | 36 |
| 12 | 300 | 520 | 375 | 102 | 328.2 | 450.8 | 50.8 | 13 | 16 | 1 1/8 | 145 | 170 | 1 1/4 | M30 | 52 |
| 14 | 350 | 585 | 425 | 111 | 360.2 | 514.4 | 54 | 13 | 20 | 1 1/8 | 160 | 180 | 1 1/4 | M30 | 75 |
| 16 | 400 | 650 | 483 | 121 | 411.2 | 571.5 | 57.2 | 13 | 20 | 1 1/4 | 165 | 190 | 1 3/8 | M33 | 86 |
| 18 | 450 | 710 | 533 | 130 | 462.3 | 628.6 | 60.4 | 13 | 24 | 1 1/4 | 170 | 195 | 1 3/8 | M33 | 113 |
| 20 | 500 | 775 | 587 | 140 | 514.4 | 685.8 | 63.5 | 13 | 24 | 1 1/4 | 185 | 205 | 1 3/8 | M33 | 143 |
| 24 | 600 | 915 | 702 | 153 | 616 | 812.8 | 69.9 | 13 | 24 | 1 1/2 | 205 | 230 | 1 5/8 | M39 | 216 |
Class 400 Lap Joint Flange Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | |||||||||
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 75 | 5/8 | M14 | 1.3 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.5 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.8 |
| 1 1/4 | 32 | 135 | 64 | 29 | 43.7 | 98.4 | 20.7 | 5 | 4 | 5/8 | 95 | 3/4 | M16 | 2.3 |
| 1 1/2 | 40 | 155 | 70 | 32 | 50 | 114.3 | 22.3 | 6 | 4 | 3/4 | 110 | 7/8 | M20 | 3.2 |
| 2 | 50 | 165 | 84 | 37 | 62.5 | 127 | 25.4 | 8 | 8 | 5/8 | 110 | 3/4 | M16 | 4.1 |
| 2 1/2 | 65 | 190 | 100 | 41 | 75.4 | 149.2 | 28.6 | 8 | 8 | 3/4 | 120 | 7/8 | M20 | 5.9 |
| 3 | 80 | 210 | 117 | 46 | 91.4 | 168.3 | 31.8 | 10 | 8 | 3/4 | 125 | 7/8 | M20 | 7.3 |
| 3 1/2 | 90 | 230 | 133 | 49 | 104.1 | 184.2 | 35 | 10 | 8 | 7/8 | 140 | 1 | M24 | 9.6 |
| 4 | 100 | 255 | 146 | 51 | 116.8 | 200 | 35 | 11 | 8 | 7/8 | 140 | 1 | M24 | 11.8 |
| 5 | 125 | 280 | 178 | 54 | 144.5 | 235 | 38.1 | 11 | 8 | 7/8 | 145 | 1 | M24 | 14.1 |
| 6 | 150 | 320 | 206 | 57 | 171.4 | 269.9 | 41.3 | 13 | 12 | 7/8 | 150 | 1 | M24 | 20 |
| 8 | 200 | 380 | 260 | 68 | 222.2 | 330 | 47.7 | 13 | 12 | 1 | 170 | 1 1/8 | M27 | 31 |
| 10 | 250 | 445 | 321 | 102 | 277.4 | 387.4 | 54 | 13 | 16 | 1 1/8 | 190 | 1 1/4 | M30 | 42 |
| 12 | 300 | 520 | 375 | 108 | 328.2 | 450.8 | 57.2 | 13 | 16 | 1 1/4 | 205 | 1 3/8 | M33 | 59 |
| 14 | 350 | 585 | 425 | 117 | 360.2 | 514.4 | 60.4 | 13 | 20 | 1 1/4 | 210 | 1 3/8 | M33 | 82 |
| 16 | 400 | 650 | 483 | 127 | 411.2 | 571.5 | 63.5 | 13 | 20 | 1 3/8 | 220 | 1 1/2 | M36 | 107 |
| 18 | 450 | 710 | 533 | 137 | 462.3 | 628.6 | 66.7 | 13 | 24 | 1 3/8 | 230 | 1 1/2 | M36 | 130 |
| 20 | 500 | 775 | 587 | 146 | 514.4 | 685.8 | 69.9 | 13 | 24 | 1 1/2 | 240 | 1 3/4 | M39 | 157 |
| 24 | 600 | 915 | 702 | 159 | 616 | 812.8 | 76.2 | 13 | 24 | 1 3/4 | 265 | 1 7/8 | M45 | 232 |
Class 600 Lap Joint Flange Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | |||||||||
| 1/2 | 15 | 95 | 38 | 22 | 22.9 | 66.7 | 14.3 | 3 | 4 | 1/2 | 75 | 5/8 | M14 | 1.3 |
| 3/4 | 20 | 115 | 48 | 25 | 28.2 | 82.6 | 15.9 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.4 |
| 1 | 25 | 125 | 54 | 27 | 34.9 | 88.9 | 17.5 | 3 | 4 | 5/8 | 90 | 3/4 | M16 | 1.8 |
| 1 1/4 | 32 | 135 | 64 | 29 | 43.7 | 98.4 | 20.7 | 5 | 4 | 5/8 | 95 | 3/4 | M16 | 2.3 |
| 1 1/2 | 40 | 155 | 70 | 32 | 50 | 114.3 | 22.3 | 6 | 4 | 3/4 | 110 | 7/8 | M20 | 3.2 |
| 2 | 50 | 165 | 84 | 37 | 62.5 | 127 | 25.4 | 8 | 8 | 5/8 | 110 | 3/4 | M16 | 4.1 |
| 2 1/2 | 65 | 190 | 100 | 41 | 75.4 | 149.2 | 28.6 | 8 | 8 | 3/4 | 120 | 7/8 | M20 | 5.9 |
| 3 | 80 | 210 | 117 | 46 | 91.4 | 168.3 | 31.8 | 10 | 8 | 3/4 | 125 | 7/8 | M20 | 7.3 |
| 3 1/2 | 90 | 230 | 133 | 49 | 104.1 | 184.2 | 35 | 11 | 8 | 7/8 | 140 | 1 | M24 | 9.6 |
| 4 | 100 | 275 | 152 | 54 | 116.8 | 215.9 | 38.1 | 11 | 8 | 7/8 | 145 | 1 | M24 | 16.8 |
| 5 | 125 | 330 | 189 | 60 | 144.4 | 266.7 | 44.5 | 11 | 8 | 1 | 165 | 1 1/8 | M27 | 29 |
| 6 | 150 | 355 | 222 | 67 | 171.4 | 292.1 | 47.7 | 13 | 12 | 1 | 170 | 1 1/8 | M27 | 36 |
| 8 | 200 | 420 | 273 | 76 | 222.2 | 349.2 | 55.6 | 13 | 12 | 1 1/8 | 190 | 1 1/4 | M30 | 52 |
| 10 | 250 | 510 | 343 | 111 | 277.4 | 431.8 | 63.5 | 13 | 16 | 1 1/4 | 215 | 1 3/8 | M33 | 77 |
| 12 | 300 | 560 | 400 | 117 | 328.2 | 489 | 66.7 | 13 | 20 | 1 1/4 | 220 | 1 3/8 | M33 | 91 |
| 14 | 350 | 605 | 432 | 127 | 360.2 | 527 | 69.9 | 13 | 20 | 1 3/8 | 235 | 1 1/2 | M36 | 105 |
| 16 | 400 | 685 | 495 | 140 | 411.2 | 603.2 | 76.2 | 13 | 20 | 1 1/2 | 255 | 1 5/8 | M39 | 150 |
| 18 | 450 | 745 | 546 | 152 | 462.3 | 654 | 82.6 | 13 | 20 | 1 5/8 | 275 | 1 3/4 | M42 | 182 |
| 20 | 500 | 815 | 610 | 165 | 514.4 | 723.9 | 88.9 | 13 | 24 | 1 5/8 | 285 | 1 3/4 | M42 | 232 |
| 24 | 600 | 940 | 718 | 184 | 616 | 838.2 | 101.6 | 13 | 24 | 1 7/8 | 330 | 2 | M48 | 332 |
Class 900 Lap Joint Flanges Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | |||||||||
| 1/2 | 15 | 120 | 38 | 32 | 22.9 | 82.6 | 22.3 | 3 | 4 | 3/4 | 110 | 7/8 | M20 | 1.8 |
| 3/4 | 20 | 130 | 44 | 35 | 28.2 | 88.9 | 25.4 | 3 | 4 | 3/4 | 115 | 7/8 | M20 | 2.3 |
| 1 | 25 | 150 | 52 | 41 | 34.9 | 101.6 | 28.6 | 3 | 4 | 7/8 | 125 | 1 | M24 | 3.6 |
| 1 1/4 | 32 | 160 | 64 | 41 | 43.7 | 111.1 | 28.6 | 5 | 4 | 7/8 | 125 | 1 | M24 | 4.1 |
| 1 1/2 | 40 | 180 | 70 | 44 | 50 | 123.8 | 31.8 | 6 | 4 | 1 | 140 | 1 1/8 | M27 | 5.5 |
| 2 | 50 | 215 | 105 | 57 | 62.5 | 165.1 | 38.1 | 8 | 8 | 7/8 | 145 | 1 | M24 | 11.5 |
| 2 1/2 | 65 | 245 | 124 | 64 | 75.4 | 190.5 | 41.3 | 8 | 8 | 1 | 160 | 1 1/8 | M27 | 16.5 |
| 3 | 80 | 240 | 127 | 54 | 91.4 | 190.5 | 38.1 | 10 | 8 | 7/8 | 145 | 1 | M24 | 12 |
| 4 | 100 | 290 | 159 | 70 | 116.8 | 235 | 44.5 | 11 | 8 | 1 1/8 | 170 | 1 1/4 | M30 | 24 |
| 5 | 125 | 350 | 190 | 79 | 144.4 | 279.4 | 50.8 | 11 | 8 | 1 1/4 | 190 | 1 3/8 | M33 | 38 |
| 6 | 150 | 380 | 235 | 86 | 171.4 | 317.5 | 55.6 | 13 | 12 | 1 1/8 | 190 | 1 1/4 | M30 | 50 |
| 8 | 200 | 470 | 298 | 114 | 222.2 | 393.7 | 63.5 | 13 | 12 | 1 3/8 | 220 | 1 1/2 | M36 | 78 |
| 10 | 250 | 545 | 368 | 127 | 277.4 | 469.9 | 69.9 | 13 | 16 | 1 3/8 | 235 | 1 1/2 | M36 | 112 |
| 12 | 300 | 610 | 419 | 143 | 328.2 | 533.4 | 79.4 | 13 | 20 | 1 3/8 | 255 | 1 1/2 | M36 | 148 |
| 14 | 350 | 640 | 451 | 156 | 360.2 | 558.8 | 85.8 | 13 | 20 | 1 1/2 | 275 | 1 5/8 | M39 | 182 |
| 16 | 400 | 705 | 508 | 165 | 411.2 | 616 | 88.9 | 13 | 20 | 1 5/8 | 285 | 1 3/4 | M42 | 193 |
| 18 | 450 | 785 | 565 | 190 | 462.3 | 685.8 | 101.6 | 13 | 20 | 1 7/8 | 325 | 2 | M48 | 258 |
| 20 | 500 | 855 | 622 | 210 | 514.4 | 749.3 | 108 | 13 | 20 | 2 | 350 | 2 1/8 | M52 | 317 |
| 24 | 600 | 1040 | 749 | 267 | 616 | 901.7 | 139.7 | 13 | 20 | 2 1/2 | 440 | 2 5/8 | M64 | 608 |
Class 1500 Lap Joint Flanges Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | |||||||||
| 1/2 | 15 | 120 | 38 | 32 | 22.9 | 82.6 | 22.3 | 3 | 4 | 3/4 | 110 | 7/8 | M20 | 1.8 |
| 3/4 | 20 | 130 | 44 | 35 | 28.2 | 88.9 | 25.4 | 3 | 4 | 3/4 | 115 | 7/8 | M20 | 2.3 |
| 1 | 25 | 150 | 52 | 41 | 34.9 | 101.6 | 28.6 | 3 | 4 | 7/8 | 125 | 1 | M24 | 3.7 |
| 1 1/4 | 32 | 160 | 64 | 41 | 43.7 | 111.1 | 28.6 | 5 | 4 | 7/8 | 125 | 1 | M24 | 4.1 |
| 1 1/2 | 40 | 180 | 70 | 44 | 50 | 123.8 | 31.8 | 6 | 4 | 1 | 140 | 1 1/8 | M27 | 5.5 |
| 2 | 50 | 215 | 105 | 57 | 62.5 | 165.1 | 38.1 | 8 | 8 | 7/8 | 145 | 1 | M24 | 9.8 |
| 2 1/2 | 65 | 245 | 124 | 64 | 75.4 | 190.5 | 41.3 | 8 | 8 | 1 | 160 | 1 1/8 | M27 | 16.4 |
| 3 | 80 | 265 | 133 | 73 | 91.4 | 203.2 | 47.7 | 10 | 8 | 1 1/8 | 180 | 1 1/4 | M30 | 21.8 |
| 4 | 100 | 310 | 162 | 90 | 116.8 | 241.3 | 54 | 11 | 8 | 1 1/4 | 195 | 1 3/8 | M33 | 33 |
| 5 | 125 | 375 | 197 | 105 | 144.4 | 292.1 | 73.1 | 11 | 8 | 1 1/2 | 250 | 1 5/8 | M39 | 59 |
| 6 | 150 | 395 | 229 | 119 | 171.4 | 317.5 | 82.6 | 13 | 12 | 1 3/8 | 260 | 1 1/2 | M36 | 75 |
| 8 | 200 | 485 | 292 | 143 | 222.2 | 393.7 | 92.1 | 13 | 12 | 1 5/8 | 290 | 1 3/4 | M42 | 118 |
| 10 | 250 | 585 | 368 | 178 | 277.4 | 482.6 | 108 | 13 | 12 | 1 7/8 | 335 | 2 | M48 | 198 |
| 12 | 300 | 675 | 451 | 219 | 328.2 | 571.5 | 123.9 | 13 | 16 | 2 | 375 | 2 1/8 | M52 | 264 |
| 14 | 350 | 750 | 495 | 241 | 360.2 | 635 | 133.4 | 13 | 16 | 2 1/4 | 405 | 2 3/8 | M56 | 341 |
| 16 | 400 | 825 | 552 | 260 | 411.2 | 704.8 | 146.1 | 13 | 16 | 2 1/2 | 445 | 2 5/8 | M64 | 454 |
| 18 | 450 | 915 | 597 | 276 | 462.3 | 774.7 | 162 | 13 | 16 | 2 3/4 | 495 | 2 7/8 | M72 | 590 |
| 20 | 500 | 985 | 641 | 292 | 514.4 | 831.8 | 177.8 | 13 | 16 | 3 | 540 | 3 1/8 | M76 | 792 |
| 24 | 600 | 1170 | 762 | 330 | 616 | 990.6 | 203.2 | 13 | 16 | 3 1/2 | 615 | 3 5/8 | M90 | 1248 |
Class 2500 Lap Joint Flanges Dimensions
| Size in Inch | Size in mm | Outer Diameter | Flange Thick. | Lapped Thick. | Lapped ID | PCD | Lapped Thick. | Lapped Radius | No of Bolts | Bolt Size UNC | RF Stud Length | Hole Size | ISO Stud Size | Weight in kg |
| A | B | C | D | E | G | |||||||||
| 1/2 | 15 | 135 | 43 | 40 | 22.9 | 88.9 | 30.2 | 3 | 4 | 3/4 | 120 | 7/8 | M20 | 3.2 |
| 3/4 | 20 | 140 | 51 | 43 | 28.2 | 95.2 | 31.8 | 3 | 4 | 3/4 | 125 | 7/8 | M20 | 3.7 |
| 1 | 25 | 160 | 57 | 48 | 34.9 | 108 | 35 | 3 | 4 | 7/8 | 140 | 1 | M24 | 5 |
| 1 1/4 | 32 | 185 | 73 | 52 | 43.7 | 130.2 | 38.1 | 5 | 4 | 1 | 150 | 1 1/8 | M27 | 7.5 |
| 1 1/2 | 40 | 205 | 79 | 60 | 50 | 146 | 44.5 | 6 | 4 | 1 1/8 | 170 | 1 1/4 | M30 | 10 |
| 2 | 50 | 235 | 95 | 70 | 62.5 | 171.4 | 50.9 | 8 | 8 | 1 | 180 | 1 1/8 | M27 | 17.5 |
| 2 1/2 | 65 | 265 | 114 | 79 | 75.4 | 196.8 | 57.2 | 8 | 8 | 1 1/8 | 195 | 1 1/4 | M30 | 23 |
| 3 | 80 | 305 | 133 | 92 | 91.4 | 228.6 | 66.7 | 10 | 8 | 1 1/4 | 220 | 1 3/8 | M33 | 37.8 |
| 4 | 100 | 355 | 165 | 108 | 116.8 | 273 | 76.2 | 11 | 8 | 1 1/2 | 255 | 1 5/8 | M39 | 57 |
| 5 | 125 | 420 | 203 | 130 | 144.4 | 323.8 | 92.1 | 11 | 8 | 1 3/4 | 300 | 1 7/8 | M45 | 95 |
| 6 | 150 | 485 | 235 | 152 | 171.4 | 368.3 | 108 | 13 | 8 | 2 | 345 | 2 1/8 | M52 | 148 |
| 8 | 200 | 550 | 305 | 178 | 222.2 | 438.2 | 127 | 13 | 12 | 2 | 380 | 2 1/8 | M52 | 221 |
| 10 | 250 | 675 | 375 | 229 | 277.4 | 539.8 | 165.1 | 13 | 12 | 2 1/2 | 490 | 2 5/8 | M64 | 425 |
| 12 | 300 | 760 | 441 | 254 | 328.2 | 619.1 | 184.2 | 13 | 12 | 2 3/4 | 540 | 2 7/8 | M72 | 500 |
Size Of Lap Joint Flanges
| DN In inches | Dimension | 125 LBS 150 LBS | 300 LBS | 400 LBS | 600 LBS | 900 LBS | 1500 LBS | 2500 LBS | |||||||
| inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | ||
| 1/2 | A | 3 1/2 | 88.9 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 4 3/4 | 121 | 4 3/4 | 121 | 5 1/4 | 133.4 |
| b | 7/16 | 11.1 | 9/16 | 14.3 | 9/16 | 14.3 | 9/16 | 14.3 | 7/8 | 22.2 | 7/8 | 22.2 | 1 3/16 | 30.2 | |
| D2 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | |
| D1 | 2 3/8 | 60.3 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 3 1/4 | 82.6 | 3 1/4 | 82.6 | 3 1/2 | 88.9 | |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | |
| d | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | |
| 3/4 | A | 3 7/8 | 98.4 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 5 1/8 | 130 | 5 1/8 | 130 | 5 1/2 | 139.7 |
| b | 1/2 | 12.7 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | |
| D2 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | |
| D1 | 2 3/4 | 69.8 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 3/4 | 95.2 | |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | 4 | 44 | |
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | |
| 1 | A | 4 1/4 | 108 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 6 1/4 | 159 |
| b | 9/16 | 14.3 | 11/16 | 17.5 | 11/16 | 17.5 | 11/16 | 17.5 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | |
| D2 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | |
| D1 | 3 1/8 | 79.4 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 4 | 102 | 4 | 102 | 4 1/4 | 108 | |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 | 25.4 | |
| 1 1/4 | A | 4 5/8 | 117.5 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 6 1/4 | 159 | 6 1/4 | 159 | 7 1/4 | 184.2 |
| b | 5/8 | 15.9 | 3/4 | 19 | 13/16 | 20.6 | 13/16 | 20.6 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/2 | 38.1 | |
| D2 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | |
| D1 | 3 1/2 | 88.9 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 4 3/8 | 111 | 4 3/8 | 111 | 5 1/8 | 130 | |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | |
| 1 1/2 | A | 5 | 127 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 7 | 177.8 | 7 | 177.8 | 8 | 203 |
| b | 11/16 | 17.5 | 13/16 | 20.6 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/4 | 31.8 | 1 1/4 | 31.8 | 1 3/4 | 44.5 | |
| D2 | 2 7/8 | 73 98 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | |
| D1 | 3 7/8 | 4 | 4 1/2 | 114 | 4 1/2 | 114 | 4 1/2 | 114 | 4 7/8 | 124 | 4 7/8 | 124 | 5 3/4 | 146 | |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| d | 5/8 | . 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | |
| 2 | A | 6 | 152.4 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 9 1/4 | 234.9 |
| b | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/2 | 38.1 | 1 1/2 | 38.1 | 2 | 50.8 | |
| D2 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | |
| D1 | 4 3/4 | 121 | 5 | 127 | 5 | 127 | 5 | 127 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 3/4 | 171 | |
| n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
| d | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | |
| 2 1/2 | A | 7 | 177.8 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 9 5/8 | 244 | 9 5/8 | 244 | 10 1/2 | 266.7 |
| b | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 5/8 | 41.3 | 2 1/4 | 57.2 | |
| D2 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 105 | 4 1/8 | 105 | 4 1/8 | 105 | |
| D1 | 5 1/2 | 139.7 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 3/4 | 197 | |
| n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
Weight Chart Of Lap Joint Flanges
| Nominal Pipe Sizes (NPS) | Slip On (SORF) | Threaded (NPT) | Socket Weld (SWRF) | Lap Joint (Loose) | Blind (BLRF) | Weld Neck (WRNR) |
| ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 |
Pressure Rating Of Lap Joint Flanges
| Temperature (F°) | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
Price Of Lap Joint Flanges
| Stainless Steel Flanges | USD $2.05 - $10.06 / Piece (FOB Price) on request |
| High Nickel Alloys Flanges | USD $8.10 - $20.20 / Piece (FOB Price) on request |
| Duplex & Super Duplex Flange | USD $10.20 - $35.50 / Piece (FOB Price) on request |
| Cupro Nickel Flanges | USD $5.19 - $10.48 / Piece (FOB Price) on request |
| Carbon Steel Flanges | USD $2.08 - $7.10 / Piece (FOB Price) on request |
Application Of Lap Joint Flanges
We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Oil & Gas Industries
- Sugar Industries
Testing Of Lap Joint Flanges
We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.
- Eddy Current Examining
- Hydrostatic Analysis
- Pitting Protection Test
- Power Generation Industries
- Positive Material Recognition
Packing Of Lap Joint Flanges
We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:
- Wooden Boxes
- Wooden Pallets
- Shrink-Wrapped
- Carton Boxes
- Wooden crates
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Country We Delivered
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Cities We Delivered
2507 Super Duplex Lap Joint Flanges Supplier in Pune, UNS S31000 Lap Joint Flanges Stockist in Gujarat, UNS N08020 Lap Joint Flanges Manufacturer in Daman, ASME SA182 Duplex 2205 Lap Joint Flanges Stockist in Chennai, WRN 2.4856 Lap Joint Flanges Manufacturer in Vadodara, Inconel 625 Lap Joint Flanges Supplier in Hyderabad, UNS N06625 Lap Joint Flanges Stockist in Bangalore, Duplex 31803 Lap Joint Flanges Stockist in Nashik, UNS S30400 Lap Joint Flanges Manufacturer in Mumbai, DIN 1.4301 Lap Joint Flanges Stockist in Ahmedabad, 304 Stainless Steel Lap Joint Flanges Stockist in Bharuch.
Country We Delivered
ASTM A182 SS 304 Lap Joint Flanges Manufacturer in USA, 2507 Super Duplex Lap Joint Flanges Supplier in Qatar, Hastelloy C276 Lap Joint Flanges Stockist in UK, UNS S30400 Lap Joint Flanges Manufacturer in Singapore, ASME SA182 SS 316 Lap Joint Flanges Supplier in Saudi Arabia, UNS N08904 Lap Joint Flanges Exporter in Kuwait, DIN 1.4301 Lap Joint Flanges Stockist in Malaysia, ASME SA182 Duplex 2205 Lap Joint Flanges Stockist in UAE.
Types of Flanges
- Forge Flange
- Blind Flange
- Slip On Flange
- Weldneck Flange
- Lap Joint Flange
- Threaded Flange
- Socketweld Flange
- Long Weld Neck Flange
- Weldo / Nipo Flange
- Orifice Flange
- Reducing Flange
- Flat Flange
- Loose Flange
- RTJ Flanges
- SORF Flanges
- Square Flanges
- SWRF Flanges
- Expander Flanges
- WNRF Flanges
- Ring Type Joint Flanges
- Groove & Tongue Flanges
- Spectacle Blind Flanges
- Weld Neck Flanges A / B Flanges
- Spades Ring Spacers Flanges
- Screwed Flanges
- Forging Facing Flanges
- Flanges Bolts