Ronwen Flanges is a top-notch manufacturer and supplier located in Cape Town, South Africa, known for its high-quality EN 1092-1 Type 11 Flanges. With state-of-the-art manufacturing facilities and a strong focus on precision engineering, Ronwen Flanges provides reliable and durable products that adhere to global standards. The company specializes in creating weld neck flanges that boast exceptional strength, precise dimensions, and a superior surface finish. Backed by a talented workforce and rigorous quality control, Ronwen Flanges guarantees that each product delivers outstanding performance in demanding industrial settings, both in South Africa and around the globe.
EN 1092-1 Type 11 flanges are crafted from top-grade materials like carbon steel, stainless steel, alloy steel, and duplex steel. This careful selection of materials ensures excellent resistance to corrosion, high temperatures, and mechanical stress. These flanges are designed with superior tensile and yield strength, along with remarkable toughness and durability. The weld neck design promotes optimal stress distribution and leak-free connections, making them perfect for high-pressure applications. Their precise dimensions and smooth surface finish facilitate easy integration into various piping systems.
Ronwen Flanges, a leading supplier in Cape Town, South Africa, offers an extensive selection of EN 1092-1 Type 11 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″) |
|---|---|
| Pressure | PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160 |
| 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 |
| Rated Diameter | Flange | Neck | Raised face | Screws | Weight (7,85 Kg/dm3) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d1 | k | D | b | h1 | d3 | s | r | h2 | d4 | f | d2 | Thread | Bolt holes | Kg | |
| 15 | 21,3 | 65 | 95 | 16 | 38 | 32 | 2,00 | 4 | 6 | 45 | 2 | 14 | M12 | 4 | 0,768 |
| 20 | 26,9 | 75 | 105 | 18 | 40 | 40 | 2,30 | 4 | 6 | 58 | 2 | 14 | M12 | 4 | 1,090 |
| 25 | 33,7 | 85 | 115 | 18 | 40 | 46 | 2,60 | 4 | 6 | 68 | 2 | 14 | M12 | 4 | 1,300 |
| 32 | 42,4 | 100 | 140 | 18 | 42 | 56 | 2,60 | 6 | 6 | 78 | 2 | 18 | M16 | 4 | 1,910 |
| 40 | 48,3 | 110 | 150 | 18 | 45 | 64 | 2,60 | 6 | 7 | 88 | 3 | 18 | M16 | 4 | 2,150 |
| 50 | 60,3 | 125 | 165 | 20 | 48 | 75 | 2,90 | 6 | 8 | 102 | 3 | 18 | M16 | 4 | 2,850 |
| 65 | 76,1 | 145 | 185 | 22 | 52 | 90 | 2,90 | 6 | 10 | 122 | 3 | 18 | M16 | 8 | 3,680 |
| 80 | 88,9 | 160 | 200 | 24 | 58 | 105 | 3,20 | 8 | 12 | 138 | 3 | 18 | M16 | 8 | 4,780 |
| 100 | 114,3 | 190 | 235 | 24 | 65 | 134 | 3,60 | 8 | 12 | 162 | 3 | 22 | M20 | 8 | 6,460 |
| 125 | 139,7 | 220 | 270 | 26 | 68 | 162 | 4,00 | 8 | 12 | 188 | 3 | 26 | M24 | 8 | 8,860 |
| 150 | 168,3 | 250 | 300 | 28 | 75 | 192 | 4,50 | 10 | 12 | 218 | 3 | 26 | M24 | 8 | 11,700 |
| 200 | 219,1 | 320 | 375 | 34 | 88 | 244 | 6,30 | 10 | 16 | 285 | 3 | 30 | M27 | 12 | 21,000 |
| 250 | 273,0 | 385 | 450 | 38 | 105 | 306 | 7,10 | 12 | 18 | 345 | 3 | 33 | M30 | 12 | 34,200 |
| 300 | 323,9 | 450 | 515 | 42 | 115 | 362 | 8,00 | 12 | 18 | 410 | 4 | 33 | M30 | 16 | 47,600 |
| 350 | 355,6 | 510 | 580 | 46 | 125 | 408 | 8,80 | 12 | 20 | 465 | 4 | 36 | M33 | 16 | 69,300 |
| 400 | 406,4 | 585 | 660 | 50 | 135 | 462 | 11,00 | 12 | 20 | 535 | 4 | 39 | M36 | 16 | 98,000 |
| 450 | 457,0 | 610 | 685 | 57 | 135 | 500 | 12,50 | 12 | 20 | 560 | 4 | 39 | M36 | 20 | 105,000 |
| Rated Diameter | Flange | Neck | Raised face | Screws | Weight (7,85 Kg/dm3) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d1 | k | D | b | h1 | d3 | s | r | h2 | d4 | f | d2 | Thread | Bolt holes | Kg | |
| 200 | 219,1 | 310 | 360 | 30 | 80 | 244 | 6,3 | 10 | 16 | 278 | 3 | 26 | M24 | 12 | 17,100 |
| 250 | 273 | 370 | 425 | 32 | 88 | 298 | 7,1 | 12 | 18 | 335 | 3 | 30 | M27 | 12 | 24,300 |
| 300 | 323,9 | 430 | 485 | 34 | 92 | 352 | 8,0 | 12 | 18 | 395 | 4 | 30 | M27 | 16 | 31,800 |
| 350 | 355,6 | 490 | 555 | 38 | 100 | 398 | 8,0 | 12 | 20 | 450 | 4 | 33 | M30 | 16 | 48,800 |
| 400 | 406,4 | 550 | 620 | 40 | 110 | 452 | 8,8 | 12 | 20 | 505 | 4 | 36 | M33 | 16 | 63,300 |
| 450 | 457 | 600 | 670 | 46 | 110 | 500 | 8,8 | 12 | 20 | 550 | 4 | 36 | M33 | 20 | 76,000 |
| 500 | 508 | 660 | 730 | 48 | 125 | 558 | 10,0 | 12 | 20 | 615 | 4 | 36 | M33 | 20 | 97,000 |
| 600 | 610 | 770 | 845 | 48 | 125 | 660 | 11,0 | 12 | 20 | 720 | 5 | 39 | M36 | 20 | 121,000 |
| 700 | 711 | 875 | 960 | 50 | 129 | 760 | 14,2 | 12 | 20 | 820 | 5 | 42 | M39 | 24 | 155,000 |
EN 1092-1 Type 11 flanges are widely used in high-pressure and high-temperature applications across various industries. Commonly found in the oil and gas, petrochemical, power generation, and chemical processing sectors, these flanges are ideal for connecting pipes, valves, and equipment in demanding systems. Their robust design makes them suitable for use in pipelines, boilers, heat exchangers, and other critical infrastructure. They ensure secure, leak-resistant connections and are trusted for their strength, durability, and performance in extreme operating conditions.
These EN 1092-1 Type 11 flanges are widely utilized in industries that demand secure and long-lasting pipe connections. They are particularly well-suited for applications in oil and gas, petrochemical, chemical processing, water treatment, shipbuilding, and power generation plants. These flanges excel under high pressure and temperature conditions, ensuring reliable flow and sealing integrity. Their robust construction and compatibility with a range of materials make them ideal for both corrosive and non-corrosive environments, offering long-lasting performance and reduced maintenance in complex piping systems.
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.
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