BS 4504 Flanges are crafted from materials like carbon steel, stainless steel, and alloy steel, incorporating elements such as carbon, chromium, nickel, manganese, and molybdenum to boost strength and corrosion resistance. These flanges provide impressive tensile and yield properties, making them suitable for a range of pressure classes. They are built to last, offering excellent durability, weldability, and resistance to mechanical stress, which makes them reliable for moderate to high-pressure systems. Their sturdy construction guarantees secure sealing and a long service life while maintaining structural integrity under varying temperatures and operating conditions.
Khawla Flanges, a leading supplier in Muscat, OMAN, offers an extensive selection of BS 4504 Flanges, 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.
| Size | (1/2″) To (48″) |
|---|---|
| Size Of Bore Diameter Flange | NPS ≤ 10 |
| Standard Dimensions | EN-1092, ASME B16.48, API605, BS4504, EN1092, UNI, ISO, API7S-43, ANSI/ASME B16.5, API7S-15, MSS S44, IS 2062, ASME B16.36, DIN, AWWA C207, B16.47 Series A & B, BS1560-3.1, ISO70051, API. |
| Minimum Pressure | 150# To 2500# |
| Flange Face Type Manufacturer | Raised Face, Groove And Small Tongue Groove, RTJ, Flat Face, Large Tongue & Large Male-Female And Small Male-Female, Lap-Joint Face. |
| Top Six Type Of Flange | Threaded Flange, Lap Joint Flange, Socket-Weld Flange, Blind Flange, Slip-On Flange, Weld Neck Flange |
| Standard Materials | Duplex Steel & Super Duplex Steel, Copper Nickel, Inconel, Mild Steel, Stainless Steel, Hastelloy, Alloy Steel, Carbon Steel. |
| Thickness Length | NPS ≤ 18 |
| Manufacturing Process | Forged/ Machined/ Heat Treated |
| Other Type Of Flange | Forged/ Plate/ Threaded |
| DN | D | C1 | C2 | H1 | H2 | H3 | R | A | N1 | N2 | B1 | d1 | f1 |
| 10 | 90 | 14 | 14 | 20 | 35 | 6 | 3 | 17,2 | 28 | 30 | 18 | 40 | 2 |
| 15 | 95 | 14 | 14 | 20 | 35 | 6 | 3 | 21,3 | 32 | 35 | 22 | 45 | 2 |
| 20 | 105 | 14 | 14 | 24 | 38 | 6 | 4 | 26,9 | 39 | 45 | 27,5 | 58 | 2 |
| 25 | 115 | 16 | 16 | 24 | 38 | 6 | 4 | 33,7 | 46 | 52 | 34,5 | 68 | 2 |
| 32 | 140 | 18 | 16 | 26 | 40 | 6 | 5 | 42,4 | 56 | 60 | 43,5 | 78 | 2 |
| 40 | 150 | 18 | 16 | 26 | 42 | 7 | 5 | 48,3 | 64 | 70 | 49,5 | 88 | 3 |
| 50 | 165 | 20 | 18 | 28 | 45 | 8 | 5 | 60,3 | 74 | 84 | 61,5 | 102 | 3 |
| 65 | 185 | 20 | 18 | 32 | 45 | 10 | 6 | 76,1 | 92 | 104 | 77,5 | 122 | 3 |
| 80 | 200 | 20 | 20 | 34 | 50 | 10 | 6 | 88,9 | 110 | 118 | 90,5 | 138 | 3 |
| 100 | 220 | 22 | 20 | 40 | 52 | 12 | 6 | 114,3 | 130 | 140 | 116 | 162 | 3 |
| 125 | 250 | 22 | 22 | 44 | 55 | 12 | 6 | 139,7 | 158 | 168 | 141,5 | 188 | 3 |
| 150 | 285 | 24 | 22 | 44 | 55 | 12 | 8 | 168,3 | 184 | 195 | 170,5 | 212 | 3 |
| 200 | 340 | 26 | 24 | 44 | 62 | 16 | 8 | 219,1 | 234 | 246 | 221,5 | 268 | 3 |
| 250 | 405 | 29 | 26 | 46 | 70 | 16 | 10 | 273 | 288 | 298 | 276,5 | 320 | 3 |
| 300 | 460 | 32 | 28 | 46 | 78 | 16 | 10 | 323,9 | 342 | 350 | 327,5 | 378 | 4 |
| 350 | 520 | 35 | 30 | 57 | 82 | 16 | 10 | 355,6 | 390 | 400 | 359 | 438 | 4 |
| 400 | 580 | 38 | 32 | 63 | 85 | 16 | 10 | 406,4 | 444 | 456 | 411,0 | 490 | 4 |
| 450 | 640 | 42 | 34 | 68 | 87 | 16 | 12 | 457,0 | 490 | 502 | 462,0 | 550 | 4 |
| 500 | 715 | 46 | 34 | 73 | 90 | 16 | 12 | 508,0 | 546 | 559 | 513,5 | 610 | 4 |
| 600 | 840 | 52 | 36 | 83 | 95 | 18 | 12 | 610,0 | 650 | 658 | 616,5 | 725 | 5 |
| 700 | 910 | 60 | 36 | 83 | 100 | 18 | 12 | 711,0 | 750 | 760 | – | 795 | 5 |
| Nom. Size |
Flange |
Raised Face |
Boss |
Drilling |
Bolting |
Neck |
Bore Diameter | ||||||||||||
| DN | A | C | C1 | C2 | D | D1 | G | X | N | No. | I | J | M | F | E | R | T | B | |
| 10 | 90 | 14 | 14 | 14 | 20 | 35 | 40 | 2 | 30 | 4 | 14 | 60 | M12 | 28 | 17.2 | 6 | 3 | 1.8 | 18.0 |
| 15 | 95 | 14 | 14 | 14 | 20 | 35 | 45 | 2 | 35 | 4 | 14 | 65 | M12 | 32 | 21.3 | 6 | 3 | 2.0 | 22.0 |
| 20 | 105 | 16 | 16 | 16 | 24 | 38 | 58 | 2 | 45 | 4 | 14 | 75 | M12 | 39 | 26.9 | 6 | 4 | 2.3 | 27.5 |
| 25 | 115 | 16 | 16 | 16 | 24 | 38 | 68 | 2 | 52 | 4 | 14 | 85 | M12 | 46 | 33.7 | 6 | 4 | 2.6 | 34.5 |
| 32 | 140 | 16 | 18 | 16 | 26 | 40 | 78 | 2 | 60 | 4 | 18 | 100 | M16 | 56 | 42.4 | 6 | 5 | 2.6 | 43.5 |
| 40 | 150 | 16 | 18 | 16 | 26 | 42 | 88 | 3 | 70 | 4 | 18 | 110 | M16 | 64 | 48.3 | 7 | 5 | 2.6 | 49.5 |
| 50 | 165 | 18 | 20 | 18 | 28 | 45 | 102 | 3 | 84 | 4 | 18 | 125 | M16 | 74 | 60.3 | 8 | 5 | 2.9 | 61.5 |
| 65 | 185 | 18 | 20 | 18 | 32 | 45 | 122 | 3 | 104 | 4 / 8 | 18 | 145 | M16 | 92 | 76.1 | 10 | 6 | 2.9 | 77.5 |
| 80 | 200 | 20 | 20 | 20 | 34 | 50 | 138 | 3 | 118 | 8 | 18 | 160 | M16 | 110 | 88.9 | 10 | 6 | 3.2 | 90.5 |
| 100 | 220 | 20 | 22 | 20 | 40 | 52 | 162 | 3 | 140 | 8 | 18 | 180 | M16 | 130 | 114.3 | 12 | 6 | 3.6 | 116.0 |
| 125 * | 250 | 22 | 22 | 22 | 44 | 55 | 188 | 3 | 168 | 8 | 18 | 210 | M16 | 158 | 139.7 | 12 | 6 | 4.0 | 141.5 |
BS 4504 Flanges find extensive use in piping systems across various sectors, including oil and gas, petrochemical, water supply, HVAC, and manufacturing. They are commonly utilized in pipelines, pumps, valves, heat exchangers, and pressure vessels to ensure secure and leak-proof connections. Water treatment plants incorporate them into their distribution and filtration systems, while industrial facilities depend on them for steam, gas, and fluid handling operations. Additionally, construction and infrastructure projects leverage BS 4504 flanges for robust pipeline networks
Yes, we offer custom sizes for BS 4504 Flanges to meet specific project needs. Our team at Khawla Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khawlaflanges.com.
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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