API Blind Flange & API Threaded Flange, 6BX Weld Neck Flange, API 6A Type 6B
Check Price of ANSI (ASME) B16.47 Series B Flange/API 605 and ANSI B16.47 Flange Dimensions
Arcellor Controls offers a wide range of flanges such as Plate Flange (PL), Socket Weld Flange (SW), Blind Flange (BL), Welding Neck Flange (WN), Slip-On Flange (SO), Lap Joint Flange (LJ), API Flange, API 6A Flange, which are precisely engineered in accordance with international quality standards. We provide these flanges in various dimensions as per client specifications. To ensure optimal client satisfaction, we offer safe packaging and prompt delivery of the ordered consignment. These flanges are highly durable, corrosion-resistant, and reliable, making them suitable for applications in industries such as engineering, construction, chemical, oil fields, and power plants. We supply flanges across India and export to countries including the UK, Belgium, Saudi Arabia, Dubai, Singapore, Thailand, etc.
API Flanges Specifications
API 6A Blind Flange is a flange system from the USA, which includes flange types such as Welding Neck Flanges, Blind Flanges.
Types:
Material:
Standard:
Size:
Pressure:
Packing:
Surface Treatment:
Usage:
E-catalogue:
Types Of API Flanges
| API Forged Flanges | API High Hub Blinds Flanges |
| API Blind Flanges | API Spectacle Blinds Flanges |
| API Reducing Flanges | API Loose Flanges |
| API Orifice Flanges | API RTJ Flanges |
| API Socket Weld Flanges | API Screwed Flanges |
| API Slip On Flanges | API Weld Neck Flanges |
| API Flat Flanges | API Flanges Facing Type & Finish |
| API Lapped Joint Flanges | API SORF Flanges |
| API SWRF Flanges | API Groove & Tongue Flanges |
| API Square Flanges | API Long Neck Weld Flanges |
| API Threaded Flanges | API Spades Ring Spacers Flanges |
| API Weld Neck Flanges Series A or B | API Ring Type Joint Flanges |
| API WNRF Flanges | API Weldo / Nipo Flanges |
| API Expander Flanges |
| Erne Fittings, Austria | Metal far, Italy | Lame S.R.l., Italy |
| BENKAN Corporation, Japan | BKL- Thai Benkan, Thailand | TecnoForge, Italy |
| Ulma, Spain | Mega, Italy | Melesi, Italy |
| Interfit, France | Raccortubi S.P.A., Italy |
| Flange Size | Working Pressure (PSI) | Outside Diameter | Number of Bolt Holes | Diameter of Bolt Holes | Length of Bolts | API Ring Gasket |
|---|---|---|---|---|---|---|
| 1-13/16″ | 10,000 | 7-3/8″ | 8 | 3/4″ | 5-1/4″ | BX-151 |
| 1-13/16″ | 15,000 | 8-3/16″ | 8 | 7/8″ | 6″ | BX-151 |
| 1-13/16″ | 20,000 | 10-1/8″ | 8 | 1″ | 7-3/4″ | BX-151 |
| 2-1/16″ | 2,000 | 6-1/2″ | 8 | 5/8″ | 5/8″ | R-23 |
| 2-1/16″ | 3,000/5,000 | 8-1/2″ | 8 | 7/8″ | 7/8″ | R-24 |
| 2-1/16″ | 10,000 | 7-7/8″ | 8 | 3/4″ | 3/4″ | BX-152 |
| 2-1/16″ | 15,000 | 8-3/4″ | 8 | 7/8″ | 7/8″ | BX-152 |
| 2-1/16″ | 20,000 | 11-5/16″ | 8 | 1-1/8″ | 1-1/8″ | BX-152 |
| 2-9/16″ | 2,000 | 7-1/2″ | 8 | 3/4″ | 5-1/4″ | R-26 |
| 2-9/16″ | 3,000/5,000 | 9-5/8″ | 8 | 1″ | 7″ | R-27 |
| 2-9/16″ | 10,000 | 9-1/8″ | 8 | 7/8″ | 6-1/4″ | BX-153 |
| 2-9/16″ | 15,000 | 10″ | 8 | 1″ | 7″ | BX-153 |
| 2-9/16″ | 20,000 | 12-13/16″ | 8 | 1-1/4″ | 9-1/2″ | BX-153 |
| 3-1/8″ | 2,000 | 8-1/4″ | 8 | 3/4″ | 5-1/2″ | R-31 |
| 3-1/8″ | 3,000 | 9-1/2″ | 8 | 7/8″ | 6-1/4″ | R-31 |
| 3-1/8″ | 5,000 | 10-1/2″ | 8 | 1-1/8″ | 7-3/4″ | R-35 |
| 3-1/16″ | 10,000 | 10-5/8″ | 8 | 1″ | 7-1/4″ | BX-154 |
| 3-1/16″ | 15,000 | 11-5/16″ | 8 | 1-1/8″ | 8″ | BX-154 |
| 3-1/16″ | 20,000 | 14-1/16″ | 8 | 1-3/8″ | 10-3/4″ | BX-154 |
| 4-1/16″ | 2,000 | 10-3/4″ | 8 | 7/8″ | 6-1/4″ | R-37 |
| 4-1/16″ | 3,000 | 11-1/2″ | 8 | 1-1/8″ | 7-1/2″ | R-37 |
| 4-1/16″ | 5,000 | 12-1/4″ | 8 | 1-1/8″ | 8-3/8″ | BX-155 |
| 4-1/16″ | 20,000 | 17-9/16″ | 8 | 1-3/4″ | 12-3/4″ | BX-155 |
| 5-1/8″ | 5,000 | 14-3/4″ | 8 | 1-1/2″ | 10-3/4″ | R-44 |
| 7-1/16″ | 2,000 | 14″ | 12 | 1″ | 7-1/2″ | R-45 |
| 7-1/16″ | 3,000 | 15″ | 12 | 1-1/8″ | 8-1/2″ | R-45 |
| 7-1/16″ | 5,000 | 15-1/2″ | 12 | 1-3/8″ | 11-1/4″ | R-46 |
| 7-1/16″ | 10,000 | 18-7/8″ | 12 | 1-1/2″ | 11-3/4″ | BX-156 |
| 7-1/16″ | 15,000 | 19-7/8″ | 16 | 1-1/2″ | 13″ | BX-156 |
| 7-1/16″ | 20,000 | 24-13/16″ | 16 | 2″ | 17-3/4″ | BX-156 |
| 9″ | 2,000 | 16-1/2″ | 12 | 1-1/8″ | 8-1/2″ | R-49 |
| 9″ | 3,000 | 18-1/2″ | 12 | 1-3/8″ | 9-1/2″ | R-49 |
| 9″ | 5,000″ | 19″ | 12 | 1-5/8″ | 12-1/2″ | R-50 |
| 9″ | 10,000 | 21-3/4″ | 16 | 1-1/2″ | 13-1/4″ | BX-157 |
| 9″ | 15,000 | 25-1/2″ | 16 | 1-7/8″ | 16″ | BX-157 |
| 11″ | 2,000 | 20″ | 16 | 1-1/4″ | 9-1/4″ | R-53 |
| 11″ | 3,000 | 21-1/2″ | 16 | 1-3/8″ | 10″ | R-53 |
| 11″ | 5,000 | 23″ | 12 | 1-7/8″ | 14-1/4″ | R-54 |
| 11″ | 10,000 | 25-3/4″ | 16 | 1-3/4″ | 15-3/8″ | BX-158 |
| 11″ | 15,000 | 32″ | 20 | 2″ | 19-1/2″ | BX-158 |
| 13-5/8″ | 2,000 | 22″ | 20 | 1-1/4″ | 9-1/2″ | R-57 |
| 13-5/8″ | 3,000 | 24″ | 20 | 1-3/8″ | 10-3/4″ | R-57 |
| 13-5/8″ | 5,000 | 26-1/2″ | 16 | 1-5/8″ | 12-3/4″ | BX-160 |
| 13-5/8″ | 10,000 | 30-1/4″ | 20 | 1-7/8″ | 17-3/4″ | BX-159 |
| 13-5/8″ | 15,000 | 34-7/8″ | 20 | 2-1/4″ | 21″ | BX-159 |
| 16-3/4″ | 2,000 | 27″ | 20 | 1-1/2″ | 10-3/4″ | R-65 |
| 16-3/4″ | 3,000 | 27-3/4″ | 20 | 1-5/8″ | 12-1/4″ | R-66 |
| 16-3/4″ | 5,000 | 30-3/8″ | 16 | 1-78″ | 14-3/4″ | BX-162 |
| 16-3/4″ | 10,000 | 34-5/16″ | 24 | 1-7/8″ | 17-3/4″ | BX-162 |
| 18-3/4″ | 5,000 | 35-5/8″ | 20 | 2″ | 18″ | BX-163 |
| 16-3/4″ | 10,000 | 40-15/16″ | 24 | 2-1/4″ | 23″ | BX-164 |
| 20-3/4″ | 3,000 | 33-3/4″ | 20 | 2″ | 15-1/4″ | R-74 |
| 21-1/4″ | 2,000 | 32″ | 24 | 1-5/8″ | 12-1/2″ | R-73 |
| 21-1/4″ | 5,000 | 39″ | 24 | 2″ | 19″ | BX-165 |
| 21-1/4″ | 10,000 | 45″ | 24 | 2-1/2″ | 24-3/4″ | BX-166 |
| 26-3/4″ | 2,000 | 41″ | 20 | 1-3/4″ | 14-1/4″ | BX-167 |
| 21-1/4″ | 3,000 | 43-3/8″ | 24 | 2″ | 17-1/2″ | BX-168 |
| Size | B | OD | C | E1 | Q | G | K | T | J1 | J2 | J3 | J4 | R | BC | N | H | Ring Number |
| 1 13/16″ | 46.8 | 210 | 3 | – | 5.56 | 77.77 | 106 | 45.3 | 97.6 | 71.4 | 47.6 | – | 10 | 160.3 | 8 | 26 | 151 |
| 2 1/16″ | 53.2 | 220 | 3 | – | 5.95 | 86.23 | 114 | 50.8 | 111.1 | 82.5 | 54 | – | 10 | 174.6 | 8 | 26 | 152 |
| 2 9/16″ | 65.9 | 255 | 3 | – | 6.75 | 102.77 | 133 | 57.2 | 128.6 | 100 | 57.1 | – | 10 | 200 | 8 | 29 | 153 |
| 3 1/16″ | 78.6 | 290 | 3 | – | 7.54 | 119 | 154 | 64.3 | 154 | 122.2 | 63.5 | – | 10 | 230.2 | 8 | 32 | 154 |
| 4 1/16″ | 104 | 360 | 3 | – | 8.33 | 150.62 | 194 | 78.6 | 195.3 | 158.7 | 73 | – | 10 | 290.5 | 8 | 39 | 155 |
| 5 1/8″ | 131 | 420 | 3 | 9.5 | 9.53 | 176.66 | 225 | 98.5 | 244.5 | 200 | 81.8 | 6.4 | 16 | 342.9 | 12 | 42 | 169 |
| 7 1/16″ | 180.2 | 505 | 6 | 11.1 | 11.11 | 241.83 | 305 | 119.1 | 325.4 | 276.2 | 92.1 | 7.9 | 16 | 428.6 | 16 | 42 | 156 |
| 9 “ | 229.4 | 650 | 6 | 12.7 | 12.7 | 299.06 | 381 | 146.1 | 431.8 | 349.2 | 123.8 | 14.2 | 16 | 552.4 | 16 | 51 | 157 |
| 11″ | 280.2 | 815 | 6 | 14.3 | 14.29 | 357.23 | 454 | 187.4 | 584.2 | 427 | 235.7 | 12.7 | 16 | 711.2 | 20 | 54 | 158 |
| 13 5/8″ | 346.9 | 885 | 6 | 15.9 | 15.88 | 432.64 | 541 | 204.8 | 595.3 | 528.6 | 114.3 | 17.5 | 25 | 771.5 | 20 | 61 | 159 |
| 18 3/4″ | 477 | 1160 | 6 | 18.3 | 18.26 | 577.9 | 722 | 255.6 | 812.8 | 730.2 | 155.6 | 35.1 | 25 | 1016 | 20 | 80 | 164 |
| Size | B | OD | C | K | P | E | T | Q | X | BC | N | H | LN | HL | JL | R/RX |
| 2 1/16″ | 53.2 | 165 | 3 | 108 | 82.55 | 7.9 | 33.4 | 25.4 | 84 | 127 | 8 | 20 | 81 | 60.3 | 53.3 | 23 |
| 2 9/16″ | 65.9 | 190 | 3 | 127 | 101.6 | 7.9 | 36.6 | 28.6 | 100 | 149.2 | 8 | 23 | 88 | 73 | 63.5 | 26 |
| 3 1/8″ | 81.8 | 210 | 3 | 146 | 123.83 | 7.9 | 39.7 | 31.8 | 117 | 168.3 | 8 | 23 | 91 | 88.9 | 78.7 | 31 |
| 4 1/16″ | 108.7 | 275 | 3 | 175 | 149.23 | 7.9 | 46.1 | 38.1 | 152 | 215.9 | 8 | 26 | 110 | 114.3 | 103.1 | 37 |
| 5 1/8″ | 131 | 330 | 3 | 210 | 180.98 | 7.9 | 52.4 | 44.5 | 189 | 266.7 | 8 | 29 | 122 | 141.3 | 122.9 | 41 |
| 7 1/16″ | 181.8 | 355 | 6 | 241 | 211.15 | 7.9 | 55.6 | 47.6 | 222 | 292.1 | 12 | 29 | 126 | 168.3 | 147.1 | 45 |
| 9″ | 229.4 | 420 | 6 | 302 | 269.88 | 7.9 | 63.5 | 55.6 | 273 | 349.3 | 12 | 32 | 141 | 219.1 | 199.1 | 49 |
| 11″ | 280.2 | 510 | 6 | 356 | 323.85 | 7.9 | 71.5 | 63.5 | 343 | 431.8 | 16 | 35 | 160 | 273 | 248.4 | 53 |
| 13 5/8″ | 346.9 | 560 | 6 | 413 | 381 | 7.9 | 74.7 | 66.7 | 400 | 489 | 20 | 35 | – | – | – | 57 |
| 16 3/4″ | 426.2 | 685 | 6 | 508 | 469.9 | 7.9 | 84.2 | 76.2 | 495 | 603.2 | 20 | 42 | – | – | – | 65 |
| 21 1/4″ | 540.5 | 815 | 6 | 635 | 584.2 | 9.7 | 98.5 | 88.9 | 610 | 723.9 | 24 | 45 | – | – | – | 73 |
| Size | OD | C | E1 | G | K | T | J1 | J4 | R | BC | N | H | BX |
| 26 3/4″ | 1040 | 6 | 21.4 | 768.33 | 805 | 126.3 | 835.8 | 9.7 | 16 | 952.5 | 20 | 48 | 167 |
| 30″ | 1120 | 6 | 23 | 862.3 | 908 | 134.2 | 931.9 | 17.5 | 16 | 1039.8 | 32 | 45 | 303 |
| Size | B | OD | C | K | P | E | T | Q | X | BC | N | H | LN | HL | JL | R/RX |
| 2 1/16″ | 53.2 | 215 | 3 | 124 | 95.25 | 7.9 | 46.1 | 38.1 | 104.8 | 165.1 | 8 | 26 | 109.6 | 60.3 | 50 | 24 |
| 2 9/16″ | 65.9 | 245 | 3 | 137 | 107.95 | 7.9 | 49.3 | 41.3 | 123.8 | 190.5 | 8 | 29 | 112.7 | 73 | 59.7 | 27 |
| 3 1/8″ | 81.8 | 240 | 3 | 156 | 123.83 | 7.9 | 46.1 | 38.1 | 127 | 190.5 | 8 | 26 | 109.5 | 88.9 | 74.4 | 31 |
| 4 1/16″ | 108.7 | 290 | 3 | 181 | 149.23 | 7.9 | 52.4 | 44.4 | 158.8 | 235 | 8 | 32 | 122.2 | 114.3 | 98 | 37 |
| 5 1/8″ | 131 | 350 | 3 | 216 | 180.98 | 7.9 | 58.8 | 50.8 | 190.5 | 279.4 | 8 | 35 | 134.9 | 141.3 | 122.9 | 41 |
| 7 1/16″ | 181.8 | 380 | 6 | 241 | 211.15 | 7.9 | 63.5 | 55.6 | 235 | 317.5 | 12 | 32 | 147.6 | 168.3 | 147.1 | 45 |
| 9″ | 229.4 | 470 | 6 | 308 | 269.88 | 7.9 | 71.5 | 63.5 | 298.5 | 393.7 | 12 | 39 | 169.9 | 219.1 | 189.7 | 49 |
| 11″ | 280.2 | 545 | 6 | 362 | 323.85 | 7.9 | 77.8 | 69.9 | 368.3 | 469.9 | 16 | 39 | 192.1 | 273 | 237.2 | 53 |
| 13 5/8″ | 346.9 | 610 | 6 | 419 | 381 | 7.9 | 87.4 | 79.4 | 419.1 | 533.4 | 20 | 39 | – | – | – | 57 |
| 16 3/4″ | 426.2 | 705 | 6 | 524 | 469.9 | 11.2 | 100.1 | 88.9 | 508 | 616 | 20 | 45 | – | – | – | 66 |
| 20 3/4″ | 527.8 | 855 | 6 | 648 | 584.2 | 12.7 | 120.7 | 108 | 622.3 | 749.3 | 20 | 54 | – | – | – | 74 |
| Size | B | OD | C | K | P | E | T | Q | X | BC | N | H | LN | HL | JL | R/RX |
| 2 1/16″ | 53.2 | 215 | 3 | 124 | 95.25 | 7.9 | 46.1 | 38.1 | 104.8 | 165.1 | 8 | 26 | 109.5 | 60.3 | 43.7 | 24 |
| 2 9/16″ | 65.9 | 245 | 3 | 137 | 107.95 | 7.9 | 49.3 | 41.3 | 123.8 | 190.5 | 8 | 29 | 112.7 | 73 | 54.9 | 27 |
| 3 1/8″ | 81.8 | 265 | 3 | 168 | 136.53 | 7.9 | 55.6 | 47.7 | 133.3 | 203.2 | 8 | 32 | 125.4 | 88.9 | 67.5 | 35 |
| 4 1/16″ | 108.7 | 310 | 3 | 194 | 161.93 | 7.9 | 62 | 54 | 161.9 | 241.3 | 8 | 35 | 131.8 | 114.3 | 88.1 | 39 |
| 5 1/8″ | 131 | 375 | 3 | 229 | 193.68 | 7.9 | 81 | 73.1 | 196.8 | 292.1 | 8 | 42 | 163.5 | 141.3 | 110.3 | 44 |
| 7 1/16″ | 181.8 | 395 | 6 | 248 | 211.15 | 9.7 | 92.1 | 82.6 | 228.6 | 317.5 | 12 | 39 | 181 | 168.3 | 132.6 | 46 |
| 9″ | 229.4 | 485 | 6 | 318 | 269.88 | 11.2 | 103.2 | 92.1 | 292.1 | 393.7 | 12 | 45 | 223.8 | 219.1 | 173.8 | 50 |
| 11″ | 280.2 | 585 | 6 | 371 | 323.85 | 11.2 | 119.1 | 108 | 368.3 | 482.6 | 12 | 51 | 265.1 | 273.1 | 216.7 | 54 |
| Size | B | OD | C | E1 | Q | G | K | T | J1 | J2 | J3 | J4 | R | BC | N | H | BX |
| 1 13/16″ | 46.8 | 185 | 3 | – | 5.56 | 77.77 | 105 | 42.1 | 88.9 | 65.1 | 48.5 | – | 10 | 146.1 | 8 | 23 | 151 |
| 2 1/16″ | 53.2 | 200 | 3 | – | 5.95 | 86.23 | 111 | 44.1 | 100 | 74.7 | 51.6 | – | 10 | 158.8 | 8 | 23 | 152 |
| 2 9/16″ | 65.9 | 230 | 3 | – | 6.75 | 102.77 | 132 | 51.2 | 120.7 | 92.1 | 57.2 | – | 10 | 184.2 | 8 | 26 | 153 |
| 3 1/16″ | 78.6 | 270 | 3 | – | 7.54 | 119 | 152 | 58.4 | 142.1 | 110.2 | 63.5 | – | 10 | 215.9 | 8 | 29 | 154 |
| 4 1/16″ | 104 | 315 | 3 | – | 8.33 | 150.62 | 185 | 70.3 | 182.6 | 146.1 | 73.1 | – | 10 | 258.8 | 8 | 32 | 155 |
| 5 1/8″ | 131 | 360 | 3 | 9.5 | 9.53 | 176.66 | 221 | 79.4 | 223.8 | 182.6 | 81 | 6.4 | 10 | 300 | 12 | 32 | 169 |
| 7 1/16″ | 180.2 | 480 | 6 | 11.1 | 11.11 | 241.83 | 302 | 103.2 | 301.6 | 254 | 95.3 | 9.7 | 16 | 403.2 | 12 | 42 | 156 |
| 9 “ | 229.4 | 550 | 6 | 12.7 | 12.7 | 299.06 | 359 | 123.9 | 374.7 | 327.1 | 93.7 | 9.7 | 16 | 476.3 | 16 | 42 | 157 |
| 11″ | 280.2 | 655 | 6 | 14.3 | 14.29 | 357.23 | 429 | 141.3 | 450.9 | 400.1 | 103.2 | 14.2 | 16 | 565.2 | 16 | 48 | 158 |
| 13 5/8″ | 346.9 | 770 | 6 | 15.9 | 15.88 | 432.64 | 518 | 168.3 | 552.5 | 495.3 | 114.3 | 17.5 | 16 | 673.1 | 20 | 51 | 159 |
| 16 3/4″ | 426.2 | 870 | 6 | 8.3 | 8.33 | 478.33 | 576 | 168.3 | 655.6 | 601.7 | 76.2 | 30.2 | 19 | 776.3 | 24 | 51 | 162 |
| 18 3/4″ | 477 | 1040 | 6 | 18.3 | 18.26 | 577.9 | 697 | 223.1 | 752.5 | 674.7 | 155.6 | 25.4 | 16 | 925.5 | 24 | 61 | 164 |
| 21 1/4″ | 540.5 | 1145 | 6 | 19.1 | 19.05 | 647.88 | 781 | 241.3 | 847.7 | 762 | 165.1 | 31.8 | 21 | 1022.4 | 24 | 67 | 166 |
API Flanges uses in Oil and Gas Pipeline API Flanges uses in Chemical Industry API Flanges uses in Plumbing API Flanges uses in Oil & Gas Industry API Flanges uses in Water Supply Systems API Flanges uses in Paper & Pulp Industry | API Flanges uses in Power Plant API Flanges uses in Fabrication Industry API Flanges uses in General purpose applications API Flanges uses in Food Processing Industry API Flanges uses in Structural Pipe API Flanges uses in Heat Exchangers |


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