API Flange Suppliers in India
API 6A Flange Dimensions, API 6bx Weld Neck Flange.
Metalfed Engineering is a leading supplier, exporter, and manufacturers of Industrial Pipe Flanges. A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or screwed. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal. Using flanges adds flexibility when maintaining piping systems by allowing for easier disassembly and improved access to system components. A typical flanged connection is comprised of three parts i.e. Pipe Flanges, Gasket, and Bolting. In most cases, there are specific gasket and bolting materials made from the same, or approved materials as the piping components you wish to connect. Stainless Steel flanges are some of the most common. However, flanges are available in a wide range of materials so matching them with your needs is essential. Other common flange materials include Monel, Inconel, Chrome Moly, and many others depending on the application.
A Specialized Manufacturer of API 6A Flanges, API 6bx Weld Neck Flange, API 6B Flanges, API Companion Flange, API 5000 Weld Neck Flange in all Dimensions & Sizes.
Metalfed Engineering is leading Manufacturers of highest quality API Duplex 2205 Flange, API Super Duplex 2507 Flange, API Stainless Steel(SS) 304 / 304L / 316 / 316L / 202 / 904L Flange. Other raw materials used in the production of API Flanges are Alloy 20 Steel, 254 SMO Steel, Carbon Steel(CS), Mild Steel(MS), Alloy Steel, Hastelloy Steel, Monel Steel, Inconel Steel, Titanium Steel, Nickel Alloy Steel, Incoloy Steel, Copper Nickel Steel, Aluminium, Bronze, and Brass.
Common face types include: Flat Face (FF)- As the name suggests, flat face flanges feature a flat, even surface combined with a full face gasket that contacts most of the flange surface. Raised Face (RF)- These flanges feature a small raised section around the bore with an inside bore circle gasket. Ring Joint Face (RTJ)- Used in high-pressure and high-temperature processes, this face type features a groove in which a metal gasket sits to maintain the seal. Tongue and Groove (T&G)- These flanges feature matching grooves and raised sections. This aids in installation as the design helps the flanges to self-align and provides a reservoir for gasket adhesive. Male & Female (M&F)- Similar to tongue and groove flanges, these flanges use a matching pair of grooves and raised sections to secure the gasket. However, unlike tongue and groove flanges, these retain the gasket on the female face, providing more accurate placement and increased gasket material options.
Largest Stockists of API Raised Face Flange, API 605 Slip On Flange, API 660 Flange, API 10000 Flange, API 5000 Flange, API 17d Flange, API 15k Flange. at Best Prices.
API Flange Specifications
Standard Name: | API Flange |
Size Chart: | 1/2-60 inch |
Standard: | API, API 6A, API 650, API 605 |
Pressure: | Class 150, 300, 600, 1500, 2500 |
Coating/Surface Treatment: | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Connection Type/Flange Face Type: | RF-Raised Face, RTJ-Ring Type Joint, FF-Flat Face, LMF-Large Male-Female, LJF-Lap-Joint Face, SMF-Small Male-Female, Small Tongue, Large Tongue & Groove, Groove |
Custom Flange/Special Design: | As per your drawing |
Flange Test: | Direct-reading Spectrograph, X-ray detector, Hydrostatic testing machine, UI trasonic flaw detector, Magnetic particle detector |
Flanges Equipment: | Press machine, Pushing Machine, Bending machine, electric bevelling machine, Sand-blasting machine, etc |
Test Certificates: | Third Party Inspection Report, 100% Radiography Test Report, Raw Materials Certificate, EN 10204/3.1B, etc. |
Material Test Certificates (MTC): | As per EN 10204 3.1 and EN 10204 3.2, TC certifying NACE MR0103, NACE MR0175 |
Uses & Applications: | Petrochemicals and acids, Nuclear Power, Heavy oil refineries, Bitumen upgraders, Offshore, Piping Projects etc. |
Export Network: | Ireland, Oman, Dubai, Indonesia, Egypt, Singapore, Saudi & Arabia, Iran, Ukraine, Canada, USA, Brazil, Spain, Thailand, Korea, India, Peru, etc |
API Flange Materials and Grades
Duplex Steel API Flange: | ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 |
Super Duplex API Flange: | ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 |
Stainless Steel API Flange: | ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L |
Nickel Alloys API Flange: | ASTM SB564, SB160, SB472, SB162 – Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) |
Alloys API Flange: | Alloy 20, Alloy C, Alloy C276, Alloy B2 |
Carbon Steel API Flange: | STM / ASME A/SA 105 ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52 |
Copper Alloys API Flange: | ASTM SB 61, SB62, SB151, SB152 – UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200 |
Low Temperature Steel API Flange: | ASTM A350 LF2, LF3, LF6 |
High Yield API Flange: | ASTM A694 F42, F52, F60, F65, F70 |
Alloy Steel API Flange: | ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 |
Titanium API Flange: | Gr1, Gr2, Gr3, Gr5, Gr7, Gr11 |
Brass API Flange: | 2604 / 3602 / H59 / H62 / etc. |
Aluminium API Flange: | 2017 / 5052 / 6063 / 6061 / 7075 etc. |
Alloy 20 API Flange: | ASME SB462 / ASTM B462, Carpenter® 20 Alloy, Alloy 20Cb-3 |
Nimonic API Flange: | Nimonic 80A, Nimonic 75, Nimonic 90 |
254 SMO API Flange: | ASME SA182 / ASTM A182, SMO 254/6Mo, UNS S31254, DIN 1.4547 |
Other API Flange Material: | Tin bronze, Alumunum bronze, Lead bronze |
Api Flanges Pressure Ratings
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 |
15000PSI(103.5MPA) type 6BX Blind and API 6A Welding Neck Flange Dimensions
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 |
1. RING NUMBER BX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH
2000PSI (13.8MPA) type 6B Blind and Welding Neck API 6A Flange Dimensions
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 |
1. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH
2000PSI (13.8MPA) type 6BX Blind API 6A Flange Dimensions
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 |
3000PSI (20.7MPA) Type 6B Blind and API 6A Welding Neck Flange Dimensions
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 |
1. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH
5000PSI (34.5MPA) type 6B Blind and API 6A Welding Neck Flange Dimensions
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 |
1. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH
10000PSI(69.0MPA) type 6BX Blind and API 6A Welding Neck Flange Dimensions
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 |
1. RING NUMBER BX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH
Flanges Types and Standards
Note: Prices are based on product, material grade, and quantity. Contact us anytime to get full quotation.
API Flange Applications & Industries
We are well-known prestigious Manufacturers, Exporters, and Suppliers of high quality API 6bx Weld Neck Flange. We supply API 6B Flanges to customers in various industries including chemical, pharmaceutical, petrochemical, power, engineering and various other industrial applications. Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, Third Party Inspection Report and 100% Radiography Test Report.
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API Flange Supplier
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