Based in Mumbai, India, Harsh Flanges is a well-known producer and supplier of API Type 6BX Blind Flanges (15,000 PSI). These flanges are made for high-pressure sealing in crucial applications and are made to satisfy the exacting standards of the oil and gas sector. Our 6BX Blind Flanges are made strictly in compliance with API 6A requirements, guaranteeing exceptional performance, dependability, and safety. Harsh Flanges produces goods that withstand high pressure conditions using state-of-the-art manufacturing techniques and premium materials. Globally, wellhead equipment, pressure-control systems, and upstream oilfield operations rely on our flanges.
API Type 6BX Blind Flanges (15,000 PSI) are typically made from high-strength alloy steels such as AISI 4130 or ASTM A694 F65, with chemical compositions including carbon, chromium, molybdenum, and manganese for enhanced toughness and pressure resistance. For increased mechanical strength, these flanges undergo heat treatment. They offer a minimum tensile strength of 655 MPa (95 ksi), yield strength up to 450 MPa (65 ksi), and excellent impact resistance. They guarantee a safe, leak-proof seal in high-stress, high-temperature applications across demanding industries because they are made to withstand extreme pressure.
Harsh Flanges, a leading supplier in Mumbai, India, offers an extensive selection of API – Type 6BX Blind Flanges 15,000 PSI, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| Specification Table Of : | API Type 6BX Flange |
| ADNOC Approved Manufacturer Of Standards | ASME B16.36, DIN, AWWA C207, B16.47 Series A & B, BS1560-3.1, EN-1092, ASME B16.48, API605, BS4504, EN1092, UNI, ISO, MSS S44, IS 2062, ISO70051, API, API7S-43, ANSI/ASME B16.5, API7S-15 |
| Temperature Ratings | 150 LB To 2500 LB |
| Size Chart | (1/2″) To (48″) |
| Manufacturing Process |
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| Face Type Details | Raised Face, Large Tongue & Large Male-Female And Small Male-Female, Groove And Small Tongue Groove, RTJ, Flat Face, Lap-Joint Face. |
| Forging Materials | Stainless Steel, Alloy Steel, Carbon Steel, Duplex Steel & Super Duplex Steel, Cast Iron, Inconel, Mild Steel, Hastelloy, Copper Nickel, Wrought Iron. |
| Thickness | NPS ≤ 18 |
| Flanges High Temperature | Above 200° Celsius (400°F) For 150 Class Or Above 400° Celsius (750°F) |
| JIS Standards | 5K, 10K, 40K, 16K 20K 30K, 63K |
| Our Top Selling Products | Lap Joint, Socket-Weld, Blind, Threaded, Weld Neck, Slip-On |
| Buy Flanges For Pipe Connection | Power Plants Industry Food Processing And Manufacturing Waterworks Systems Nuclear Power Application Municipal Pipe Systems Fossil Fuel Power Plants Oil And Gas Industry |
| Type Of Making Format | Plate /Forged/ Threaded |
| Bore Diameter | NPS ≤ 10 |
| Size | B | OD | C | E1 | Q (MAX.) | G | K | T | J1 | J2 | J3 | J4 | R | BC | N | H | Ring Number |
| BX | |||||||||||||||||
| 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 | 54.0 | – | 10 | 174.60 | 8 | 26 | 152 |
| 2 9/16˝ | 65.9 | 255 | 3 | – | 6.75 | 102.77 | 133 | 57.2 | 128.6 | 100.0 | 57.1 | – | 10 | 200.00 | 8 | 29 | 153 |
| 3 1/16˝ | 78.6 | 290 | 3 | – | 7.54 | 119.00 | 154 | 64.3 | 154.0 | 122.2 | 63.5 | – | 10 | 230.20 | 8 | 32 | 154 |
| 4 1/16˝ | 104.0 | 360 | 3 | – | 8.33 | 150.62 | 194 | 78.6 | 195.3 | 158.7 | 73.0 | – | 10 | 290.50 | 8 | 39 | 155 |
| 5 1/8˝ | 131.0 | 420 | 3 | 9.5 | 9.53 | 176.66 | 225 | 98.5 | 244.5 | 200.0 | 81.8 | 6.4 | 16 | 342.90 | 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 | 428.60 | 16 | 42 | 156 |
| 9 ˝ | 229.4 | 650 | 6 | 12.7 | 12.70 | 299.06 | 381 | 146.1 | 431.8 | 349.2 | 123.8 | 14.2 | 16 | 552.40 | 16 | 51 | 157 |
| 11˝ | 280.2 | 815 | 6 | 14.3 | 14.29 | 357.23 | 454 | 187.4 | 584.2 | 427.0 | 235.7 | 12.7 | 16 | 711.20 | 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 | 771.50 | 20 | 61 | 159 |
| 18 3/4˝ | 477.0 | 1160 | 6 | 18.3 | 18.26 | 577.90 | 722 | 255.6 | 812.8 | 730.2 | 155.6 | 35.1 | 25 | 1016.00 | 20 | 80 | 164 |
API 6BX Blind Flanges (15,000 PSI) are used in high-pressure oil and gas applications, particularly in upstream operations such as wellhead systems, manifolds, blowout preventers (BOPs), and pressure control equipment. These flanges are made to withstand high pressure situations while sealing off the end of a pipe or valve. Their sturdy design and accurate machining create a dependable metal-to-metal seal, which is essential for performance and safety in high-pressure drilling and sour service systems. These flanges are also utilised in refineries and petrochemical plants, where strength, longevity, and sealing integrity are critical components.
| NPS In Inch. | DN In MM | Flange Outside Daimeter A In MM | Flange Thickness D In MM | API 6a SORF Flange Weight In KG | API 6a WN Flange Weight In KG | API 6a BLRF Flange Weight In KG |
| 1/ 2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3/ 4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/ 4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/ 2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/ 2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 3 1/ 2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
| 24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Yes, we offer custom sizes for API – Type 6BX Blind Flanges 15,000 PSI to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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