Lap Joint Flanges Suppliers in Dubai, UAE
Lap joint flanges Suppliers in UAE are a less requested type of flange with an extended hub and a machined radius at the base of the flat face. This curved radius allows for the placement of a pipe fitting known as a stub end. Lap joint flanges Exporter in Dubai is made to saddle over stub end fitting for rotation. The lap joint flanges Supplier in Dubai pairs are an excellent choice for situations that require constant removal and reinstallation in order to inspect the connection. This combination allows for the rotation of the lap joint over the stub end for accurate bolting. The hubs are typically taller than a slip-on style and can be modified per your requirements. Lap joint flanges in Dubai in higher pressure classes are often made with the height of a lap joint for a better connection. If the hub height is not a concern and lap joint flanges in UAE are not readily available, customers will sometimes opt for a slip-on made to a lap joint style with a machined hub. Oftentimes, a stub end will be made of a special material grade (nickel alloy), with the lap joint consisting of basic carbon or commodity stainless, in order to reduce the overall cost of the connection. Naturally, it is recommended that both items are of the same grade for the purposes of uniformity, but your application will determine what’s best and/or necessary.
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
(D) | |||||||||||
1/2. | 88.9 | 11.2 | 30.2 | 15.7 | 22.9 | 3 | 4 | 15.7 | 1/2. | 60.5 | 0.5 |
3/4. | 98.6 | 12.7 | 38.1 | 15.7 | 28.2 | 3 | 4 | 15.7 | 1/2. | 69.9 | 1 |
1 | 108 | 14.2 | 49.3 | 17.5 | 35.1 | 3 | 4 | 15.7 | 1/2. | 79.2 | 1 |
1-1/4. | 117.3 | 15.7 | 58.7 | 20.6 | 43.7 | 4.8 | 4 | 15.7 | 1/2. | 88.9 | 1 |
1-1/2. | 127 | 17.5 | 65 | 22.4 | 50 | 6.4 | 4 | 15.7 | 1/2. | 98.6 | 1 |
2 | 152.4 | 19.1 | 77.7 | 25.4 | 62.5 | 7.9 | 4 | 19.1 | 5/8. | 120.7 | 2 |
2-1/2. | 177.8 | 22.4 | 90.4 | 28.4 | 75.4 | 7.9 | 4 | 19.1 | 5/8. | 139.7 | 3 |
3 | 190.5 | 23.9 | 108 | 30.2 | 91.4 | 9.7 | 4 | 19.1 | 5/8. | 152.4 | 4 |
3-1/2. | 215.9 | 23.9 | 122.2 | 31.8 | 104.1 | 9.7 | 8 | 19.1 | 5/8. | 177.8 | 5 |
4 | 228.6 | 23.9 | 134.9 | 33.3 | 116.8 | 11.2 | 8 | 19.1 | 5/8. | 190.5 | 6 |
5 | 254 | 23.9 | 163.6 | 36.6 | 144.5 | 11.2 | 8 | 22.4 | 3/4. | 215.9 | 7 |
6 | 279.4 | 25.4 | 192 | 39.6 | 171.5 | 12.7 | 8 | 22.4 | 3/4. | 241.3 | 9 |
8 | 342.9 | 28.4 | 246.1 | 44.5 | 222.3 | 12.7 | 8 | 22.4 | 3/4. | 298.5 | 14 |
10 | 406.4 | 30.2 | 304.8 | 49.3 | 277.4 | 12.7 | 12 | 25.4 | 7/8. | 362 | 20 |
12 | 482.6 | 31.8 | 365.3 | 55.6 | 328.2 | 12.7 | 12 | 25.4 | 7/8. | 431.8 | 29 |
14 | 533.4 | 35.1 | 400.1 | 79.2 | 360.2 | 12.7 | 12 | 28.4 | 1 | 476.3 | 48 |
16 | 596.9 | 36.6 | 457.2 | 87.4 | 411.2 | 12.7 | 16 | 28.4 | 1 | 539.8 | 64 |
18 | 635 | 39.6 | 505 | 96.8 | 462.3 | 12.7 | 20 | 31.8 | 1-1/8. | 577.9 | 73 |
20 | 698.5 | 42.9 | 558.8 | 103.1 | 514.4 | 12.7 | 20 | 31.8 | 1-1/8. | 635 | 88 |
24 | 812.8 | 47.8 | 663.4 | 111.3 | 616 | 12.7 | 20 | 35.1 | 1-1/4. | 749.3 | 125 |
Dimensions of Class 300 Lap Joint Flanges as per ASME B16.5. | |||||||||||
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | |||||||||||
(D) | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
1/2. | 95.3 | 14.2 | 38.1 | 22.4 | 22.9 | 3 | 4 | 15.7 | 1/2. | 66.5 | 1 |
3/4. | 117.3 | 15.7 | 47.8 | 25.4 | 28.2 | 3 | 4 | 19.1 | 5/8. | 82.6 | 1 |
1 | 124 | 17.5 | 53.8 | 26.9 | 35.1 | 3 | 4 | 19.1 | 5/8. | 88.9 | 1 |
1-1/4. | 133.4 | 19.1 | 63.5 | 26.9 | 43.7 | 4.8 | 4 | 19.1 | 5/8. | 98.6 | 2 |
1-1/2. | 155.4 | 20.6 | 69.9 | 30.2 | 50 | 6.4 | 4 | 22.4 | 3/4. | 114.3 | 3 |
2 | 165.1 | 22.4 | 84.1 | 33.3 | 62.5 | 7.9 | 8 | 19.1 | 5/8. | 127 | 3 |
2-1/2. | 190.5 | 25.4 | 100.1 | 38.1 | 75.4 | 7.9 | 8 | 22.4 | 3/4. | 149.4 | 5 |
3 | 209.6 | 28.4 | 117.3 | 42.9 | 91.4 | 9.7 | 8 | 22.4 | 3/4. | 168.1 | 6 |
3-1/2. | 228.6 | 30.2 | 133.4 | 44.5 | 104.1 | 9.7 | 8 | 22.4 | 3/4. | 184.2 | 8 |
4 | 254 | 31.8 | 146.1 | 47.8 | 116.8 | 11.2 | 8 | 22.4 | 3/4. | 200.2 | 10 |
5 | 279.4 | 35.1 | 177.8 | 50.8 | 144.5 | 11.2 | 8 | 22.4 | 3/4. | 235 | 13 |
6 | 317.5 | 36.6 | 206.2 | 52.3 | 171.5 | 12.7 | 12 | 22.4 | 3/4. | 269.7 | 18 |
8 | 381 | 41.1 | 260.4 | 62 | 222.3 | 12.7 | 12 | 25.4 | 7/8. | 330.2 | 26 |
10 | 444.5 | 47.8 | 320.5 | 95.3 | 277.4 | 12.7 | 16 | 28.4 | 1 | 387.4 | 41 |
12 | 520.7 | 50.8 | 374.7 | 101.6 | 328.2 | 12.7 | 16 | 31.8 | 1-1/8. | 450.9 | 64 |
14 | 584.2 | 53.8 | 425.5 | 111.3 | 360.2 | 12.7 | 20 | 31.8 | 1-1/8. | 514.4 | 86 |
16 | 647.7 | 57.2 | 482.6 | 120.7 | 411.2 | 12.7 | 20 | 35.1 | 1-1/4. | 571.5 | 113 |
18 | 711.2 | 60.5 | 533.4 | 130 | 462.3 | 12.7 | 24 | 35.1 | 1-1/4. | 628.7 | 134 |
20 | 774.7 | 63.5 | 587.2 | 139.7 | 514.4 | 12.7 | 24 | 35.1 | 1-1/4. | 685.8 | 168 |
24 | 914.4 | 69.9 | 701.5 | 152.4 | 616 | 12.7 | 24 | 41.1 | 1-1/4. | 812.8 | 249 |
Dimensions of Class 600 Lap Joint Flanges as per ASME B16.5. | |||||||||||
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | |||||||||||
(D) | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
1/2. | 95.3 | 14.2 | 38.1 | 22.4 | 22.9 | 3 | 4 | 15.7 | 1/2. | 66.5 | 1 |
3/4. | 117.3 | 15.7 | 47.8 | 25.4 | 28.2 | 3 | 4 | 19.1 | 5/8. | 82.6 | 1 |
1 | 124 | 17.5 | 53.8 | 26.9 | 35.1 | 3 | 4 | 19.1 | 5/8. | 88.9 | 2 |
1-1/4. | 133.4 | 20.6 | 63.5 | 28.4 | 43.7 | 4.8 | 4 | 19.1 | 5/8. | 98.6 | 2 |
1-1/2. | 155.4 | 22.4 | 69.9 | 31.8 | 50 | 6.4 | 4 | 22.4 | 3/4. | 114.3 | 3 |
2 | 165.1 | 25.4 | 84.1 | 36.6 | 62.5 | 7.9 | 8 | 19.1 | 5/8. | 127 | 4 |
2-1/2. | 190.5 | 28.4 | 100.1 | 41.1 | 75.4 | 7.9 | 8 | 22.4 | 3/4. | 149.4 | 5 |
3 | 209.6 | 31.8 | 117.3 | 46 | 91.4 | 9.7 | 8 | 22.4 | 3/4. | 168.1 | 7 |
3-1/2. | 228.6 | 35.1 | 133.4 | 49.3 | 104.1 | 9.7 | 8 | 25.4 | 7/8. | 184.2 | 9 |
4 | 273.1 | 38.1 | 152.4 | 53.8 | 116.8 | 11.2 | 8 | 25.4 | 7/8. | 215.9 | 16 |
5 | 330.2 | 44.5 | 189 | 60.5 | 144.5 | 11.2 | 8 | 28.4 | 1 | 266.7 | 28 |
6 | 355.6 | 47.8 | 222.3 | 66.5 | 171.5 | 12.7 | 12 | 28.4 | 1 | 292.1 | 35 |
8 | 419.1 | 55.6 | 273.1 | 76.2 | 222.3 | 12.7 | 12 | 31.8 | 1-1/8. | 349.3 | 50 |
10 | 508 | 63.5 | 342.9 | 111.3 | 277.4 | 12.7 | 16 | 35.1 | 1-1/4. | 431.8 | 77 |
12 | 558.8 | 66.5 | 400.1 | 117.3 | 328.2 | 12.7 | 20 | 35.1 | 1-1/4. | 489 | 91 |
14 | 603.3 | 69.9 | 431.8 | 127 | 360.2 | 12.7 | 20 | 38.1 | 1-3/8. | 527.1 | 113 |
16 | 685.8 | 76.2 | 495.3 | 139.7 | 411.2 | 12.7 | 20 | 41.1 | 1-1/2. | 603.3 | 166 |
18 | 743 | 82.6 | 546.1 | 152.4 | 462.3 | 12.7 | 20 | 44.5 | 1-5/8. | 654.1 | 197 |
20 | 812.8 | 88.9 | 609.6 | 165.1 | 514.4 | 12.7 | 24 | 44.5 | 1-5/8. | 723.9 | 259 |
24 | 939.8 | 101.6 | 717.6 | 184.2 | 616 | 12.7 | 24 | 50.8 | 1-7/8. | 838.2 | 367 |
Dimensions of Class 900 Lap Joint Flanges as per ASME B16.5. | |||||||||||
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | |||||||||||
(D) | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
1/2. | 120.7 | 22.4 | 38.1 | 31.8 | 22.9 | 3 | 4 | 22.4 | 3/4. | 82.6 | 2 |
3/4. | 130 | 25.4 | 44.5 | 35.1 | 28.2 | 3 | 4 | 22.4 | 3/4. | 88.9 | 2 |
1 | 149.4 | 28.4 | 52.3 | 41.1 | 35.1 | 3 | 4 | 25.4 | 7/8. | 101.6 | 4 |
1-1/4. | 158.8 | 28.4 | 63.5 | 41.1 | 43.7 | 4.8 | 4 | 25.4 | 7/8. | 111.3 | 4 |
1-1/2. | 177.8 | 31.8 | 69.9 | 44.5 | 50 | 6.4 | 4 | 28.4 | 1 | 124 | 5 |
2 | 215.9 | 38.1 | 104.6 | 57.2 | 62.5 | 7.9 | 8 | 25.4 | 7/8. | 165.1 | 11 |
2-1/2. | 244.3 | 41.1 | 124 | 63.5 | 75.4 | 7.9 | 8 | 28.4 | 1 | 190.5 | 16 |
3 | 241.3 | 38.1 | 127 | 53.8 | 91.4 | 9.7 | 8 | 25.4 | 7/8. | 190.5 | 11 |
4 | 292.1 | 44.5 | 158.8 | 69.9 | 116.8 | 11.2 | 8 | 31.8 | 1-1/8. | 235 | 23 |
5 | 349.3 | 50.8 | 190.5 | 79.2 | 144.5 | 11.2 | 8 | 35.1 | 1-1/4. | 279.4 | 37 |
6 | 381 | 55.6 | 235 | 85.9 | 171.5 | 12.7 | 12 | 31.8 | 1-1/8. | 317.5 | 48 |
8 | 469.9 | 63.5 | 298.5 | 114.3 | 222.3 | 12.7 | 12 | 38.1 | 1-3/8. | 393.7 | 86 |
10 | 546.1 | 69.9 | 368.3 | 127 | 277.4 | 12.7 | 16 | 38.1 | 1-3/8. | 469.9 | 125 |
12 | 609.6 | 79.2 | 419.1 | 142.7 | 328.2 | 12.7 | 20 | 38.1 | 1-3/8. | 533.4 | 168 |
14 | 641.4 | 85.9 | 450.9 | 155.4 | 360.2 | 12.7 | 20 | 41.1 | 1-1/2. | 558.8 | 188 |
16 | 704.9 | 88.9 | 508 | 165.1 | 411.2 | 12.7 | 20 | 44.5 | 1-5/8. | 616 | 211 |
18 | 787.4 | 101.6 | 565.2 | 190.5 | 462.3 | 12.7 | 20 | 50.8 | 1-7/8. | 685.8 | 295 |
20 | 857.3 | 108 | 622.3 | 209.6 | 514.4 | 12.7 | 20 | 53.8 | 2 | 749.3 | 367 |
24 | 1041.4 | 139.7 | 749.3 | 266.7 | 616 | 12.7 | 20 | 66.5 | 2-1/2. | 901.7 | 703 |
Dimensions of Class 1500 Lap Joint Flanges as per ASME B16.5. | |||||||||||
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | |||||||||||
(D) | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
1/2. | 120.7 | 22.4 | 38.1 | 31.8 | 22.9 | 3 | 4 | 22.4 | 3/4. | 82.6 | 2 |
3/4. | 130 | 25.4 | 44.5 | 35.1 | 28.2 | 3 | 4 | 22.4 | 3/4. | 88.9 | 2 |
1 | 149.4 | 28.4 | 52.3 | 41.1 | 35.1 | 3 | 4 | 25.4 | 7/8. | 101.6 | 4 |
1-1/4. | 158.8 | 28.4 | 63.5 | 41.1 | 43.7 | 4.8 | 4 | 25.4 | 7/8. | 111.3 | 4 |
1-1/2. | 177.8 | 31.8 | 69.9 | 44.5 | 50 | 6.4 | 4 | 28.4 | 1 | 124 | 5 |
2 | 215.9 | 38.1 | 104.6 | 57.2 | 62.5 | 7.9 | 8 | 25.4 | 7/8. | 165.1 | 11 |
2-1/2. | 244.3 | 41.1 | 124 | 63.5 | 75.4 | 7.9 | 8 | 28.4 | 1 | 190.5 | 16 |
3 | 266.7 | 47.8 | 133.4 | 73.2 | 91.4 | 9.7 | 8 | 31.8 | 1-1/8. | 203.2 | 21 |
4 | 311.2 | 53.8 | 162.1 | 90.4 | 116.8 | 11.2 | 8 | 35.1 | 1-1/4. | 241.3 | 34 |
5 | 374.7 | 73.2 | 196.9 | 104.6 | 144.5 | 11.2 | 8 | 41.1 | 1-1/2. | 292.1 | 64 |
6 | 393.7 | 82.6 | 228.6 | 119.1 | 171.5 | 12.7 | 12 | 38.1 | 1-3/8. | 317.5 | 77 |
8 | 482.6 | 91.9 | 292.1 | 142.7 | 222.3 | 12.7 | 12 | 44.5 | 1-5/8. | 393.7 | 129 |
10 | 584.2 | 108 | 368.3 | 177.8 | 277.4 | 12.7 | 12 | 50.8 | 1-7/8. | 482.6 | 220 |
12 | 673.1 | 124 | 450.9 | 218.9 | 328.2 | 12.7 | 16 | 53.8 | 2 | 571.5 | 286 |
14 | 749.3 | 133.4 | 495.3 | 241.3 | 360.2 | 12.7 | 16 | 60.5 | 2-1/4. | 635 | 404 |
16 | 825.5 | 146.1 | 552.5 | 260.4 | 411.2 | 12.7 | 16 | 66.5 | 2-1/2. | 704.9 | 476 |
18 | 914.4 | 162.1 | 596.9 | 276.4 | 462.3 | 12.7 | 16 | 73.2 | 2-3/4. | 774.7 | 669 |
20 | 984.3 | 177.8 | 641.4 | 292.1 | 514.4 | 12.7 | 16 | 79.2 | 3 | 831.9 | 805 |
24 | 1168.4 | 203.2 | 762 | 330.2 | 616 | 12.7 | 16 | 91.9 | 3-1/2. | 990.6 | 1281 |
Dimensions of Class 2500 Lap Joint Flanges as per ASME B16.5. | |||||||||||
Nominal | Outside | Thick of | Diameter of | Length | Dia of | Fillet | No of | Dia of | Dia of | Diam of | Approx |
Pipe Size | diameter of | flange | Hub at base | thru Hub | bore | radius | holes | holes | bolts | bolt circle | weight |
flange | |||||||||||
(D) | (B) | (A) | (H) | (ID) | (r) | (L) | (K) | kg | |||
1/2. | 133.4 | 30.2 | 42.9 | 39.6 | 22.9 | 3 | 4 | 22.4 | 3/4. | 88.9 | 3 |
3/4. | 139.7 | 31.8 | 50.8 | 42.9 | 28.2 | 3 | 4 | 22.4 | 3/4. | 95.3 | 4 |
1 | 158.8 | 35.1 | 57.2 | 47.8 | 35.1 | 3 | 4 | 25.4 | 7/8. | 108 | 5 |
1-1/4. | 184.2 | 38.1 | 73.2 | 52.3 | 43.7 | 4.8 | 4 | 28.4 | 1 | 130 | 7 |
1-1/2. | 203.2 | 44.5 | 79.2 | 60.5 | 50 | 6.4 | 4 | 31.8 | 1-1/8. | 146.1 | 10 |
2 | 235 | 50.8 | 95.3 | 69.9 | 62.5 | 7.9 | 8 | 28.4 | 1 | 171.5 | 17 |
2-1/2. | 266.7 | 57.2 | 114.3 | 79.2 | 75.4 | 7.9 | 8 | 31.8 | 1-1/8. | 196.9 | 24 |
3 | 304.8 | 66.5 | 133.4 | 91.9 | 91.4 | 9.7 | 8 | 35.1 | 1-1/4. | 228.6 | 36 |
4 | 355.6 | 76.2 | 165.1 | 108 | 116.8 | 11.2 | 8 | 41.1 | 1-1/2. | 273.1 | 54 |
5 | 419.1 | 91.9 | 203.2 | 130 | 144.5 | 11.2 | 8 | 47.8 | 1-3/4. | 323.9 | 93 |
6 | 482.6 | 108 | 235 | 152.4 | 171.5 | 12.7 | 8 | 53.8 | 2 | 368.3 | 143 |
8 | 552.5 | 127 | 304.8 | 177.8 | 222.3 | 12.7 | 12 | 53.8 | 2 | 438.2 | 213 |
10 | 673.1 | 165.1 | 374.7 | 228.6 | 277.4 | 12.7 | 12 | 66.5 | 2-1/2. | 539.8 | 408 |
12 | 762 | 184.2 | 441.5 | 254 | 328.2 | 12.7 | 12 | 73.2 | 2-3/4. | 619.3 | 499 |