At Tesco Steel & Engineering, we specialize in manufacturing API 605 Weld Neck Flanges 75 Class, known for their strength, durability, and precision. Commonly referred to as API 605 WNRF #75, API 605 WNFF #75, API 605 WNRTJ Flanges #75, and API 605 WN Flanges #75, these flanges are widely used in demanding industrial applications where reliability is non-negotiable. Their long tapered hub and weld neck design provide superior reinforcement and excellent resistance to stress in high-pressure piping systems.
Our Mumbai-based manufacturing facility is a benchmark in the industry, equipped with cutting-edge CNC machinery and advanced quality testing units that ensure every flange meets global standards. The API 605 Weld Neck Flange Class 75 is designed to withstand extreme pressures and temperatures, making it suitable for industries such as oil & gas, chemical processing, marine engineering, power plants, and water treatment facilities. We take pride in offering flanges with superior finish, tight dimensional accuracy, and unmatched durability.
Tesco Steel & Engineering has earned global recognition by exporting API 605 Weld Neck Flanges 75 Class to countries across Western Europe (Germany, UK, France, Italy) and the Middle East (UAE, Saudi Arabia, Qatar, Oman). Our clients trust us for not only the premium quality of our products but also our timely delivery and customer-focused service. With years of expertise and a reputation for excellence, we continue to be a preferred supplier of high-quality API 605 Weld Neck Flanges worldwide.
| Pipe Normal Diam. | O.D. OF Flange |
Thick ness (Thk.) |
Length Through Hub |
Diam. of Hub at Base |
Hub Diam. Top |
Raised Face Diam. |
Diam. of Bolt Circle |
No. of Bolt Holes |
Diam. of Bolt Holes |
Diam. of Bolt |
Fillet Radius Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | O | C | Y | X | A | R | BD | BN | BH | DB | r1 |
| 26" | 762 | 33.3 | 58.7 | 676.1 | 661.9 | 704.9 | 723.9 | 36 | 19.1 | 5/8" | 7.9 |
| 28" | 812.8 | 33.3 | 62 | 726.9 | 712.7 | 755.7 | 774.7 | 40 | 19.1 | 5/8" | 7.9 |
| 30" | 863.6 | 33.3 | 65 | 777.7 | 763.5 | 806.5 | 825.5 | 44 | 19.1 | 5/8" | 7.9 |
| 32" | 914.4 | 35.1 | 69.9 | 828.5 | 814.3 | 857.3 | 876.3 | 48 | 19.1 | 5/8" | 7.9 |
| 34" | 965.2 | 35.1 | 73.2 | 879.3 | 865.1 | 908.1 | 927.1 | 52 | 19.1 | 5/8" | 7.9 |
| 36" | 1033.5 | 36.6 | 85.8 | 935 | 915.9 | 965.2 | 992.1 | 40 | 22.4 | 3/4" | 9.7 |
| 38" | 1084.3 | 38.1 | 88.9 | 985.8 | 966.7 | 1016 | 1042.9 | 40 | 22.4 | 3/4" | 9.7 |
| 40" | 1135.1 | 38.1 | 91.9 | 1036.6 | 1017.5 | 1066.8 | 1093.7 | 44 | 22.4 | 3/4" | 9.7 |
| 42" | 1185.9 | 39.6 | 95.3 | 1087.4 | 1068.3 | 1117.6 | 1144.5 | 48 | 22.4 | 3/4" | 9.7 |
| 44" | 1251 | 42.9 | 104.6 | 1140 | 1119.1 | 1174.8 | 1203.5 | 36 | 25.4 | 7/8" | 9.7 |
| 46" | 1301.8 | 44.5 | 108 | 1190.8 | 1169.9 | 1225.6 | 1254.3 | 40 | 25.4 | 7/8" | 9.7 |
| 48" | 1352.6 | 46 | 111.3 | 1241.6 | 1220.7 | 1276.4 | 1305.1 | 44 | 25.4 | 7/8" | 9.7 |
| 50" | 1403.4 | 47.8 | 115.8 | 1293.9 | 1271.5 | 1327.2 | 1355.9 | 44 | 25.4 | 7/8" | 9.7 |
| 52" | 1457.5 | 47.8 | 120.7 | 1344.7 | 1322.3 | 1378 | 1409.7 | 48 | 25.4 | 7/8" | 9.7 |
| 54" | 1508.3 | 49.3 | 125.5 | 1397 | 1373.1 | 1428.8 | 1460.5 | 48 | 25.4 | 7/8" | 9.7 |
| 56" | 1574.8 | 50.8 | 134.9 | 1450.8 | 1423.9 | 1485.9 | 1521 | 40 | 28.4 | 1" | 11.2 |
| 58" | 1625.6 | 52.3 | 138.2 | 1501.6 | 1474.7 | 1536.7 | 1571.8 | 44 | 28.4 | 1" | 11.2 |
| 60" | 1676.4 | 55.6 | 144.5 | 1552.4 | 1525.5 | 1587.5 | 1622.6 | 44 | 28.4 | 1" | 11.2 |
Countries we export to: API 605 Class 75 Weld Neck Flanges Manufacturers / Suppliers / Stockist in Kuwait, in UAE, in Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahra, Canada, Philippes, Thailand, Kenya, Oman, Malaysia, Turkey, Qatar, Sudan, Netherlands, Oman, Nigeria, Lithuania, Gabon, Russia, Vietnam, Angola, Bolivia, Indonesia, UK, Yemen, Italy, United States, Venezuela, Spain, Iran, Estonia, Kazakhstan, Algeria, Jordan, Ecuador, Portugal, Colombia, Libya, Chile, Peru, Iran, South Africa, Bangkok, Namibia, Jeddah, Afghanistan, Israel, Zambia, Macau, Morocco, Denmark, Taiwan, Norway, Belarus, North Macedonia, Lebanon, Sri Lanka, Bhutan, Bulgaria, Albania, Ukrae, Belgium, Fland, Slovokia, Tibet, Romania, France, Brazil, Tridad & Tobago, Fiji, Tunisia, Gambia, Mexico, Hungary, Zimbabwe, Mongolia, Ghana, Egypt, Kazakhstan, Czech Republic, Azerbaijan, Poland, Greece, Costa Rica, Kosovo, New Zealand, Croatia, Puerto Rico, Tanzania, Somalia.
Major Exporting Areas: API 605 #75 Weld Neck Flanges Manufacturers / Suppliers / Stockist in Moscow, Port-Of-Spain, Seoul, Montreal, Dubai, Kuala Lumpur, Aberdeen, Tehran, Bogota, Petaling Jaya, Melbourne, Abu Dhabi, Courbevoie, Edmonton, Ho Chi Minh City, Bangkok, Toronto, Muscat, Milan, Busan, Mexico City, Perth, La Victoria, Santiago, Rio de Janeiro, London, Karachi, Los Angeles, Manama, Geoje-si, Atyrau, Sydney, Riyadh, New York, Jeddah, Houston, Granada, Jakarta, Brisbane, Algiers, Kuwait City, Dubai, Hanoi, Doha, Al Jubail, Chiyoda, Cairo, Gimhae-si, Caracas, Lagos, Al Khobar, Madrid, Singapore, Calgary, Colombo, Ulsan, Istanbul, Ahvaz, Dammam, Dallas, Texas, Ankara, Sharjah, Vung Tau, Angola, Benin, Burundi, Botswana, Burkina Faso, Cameroon, Douala, Central African Republic, Republic of Congo, Democratic Republic of Congo, Côte d'Ivoire, Djibouti, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Guinea, Kenya, Liberia,Malawi, Mali, Mauritania, Mauritius, Casablanca-Settat, Tanger-Tetouan-Al Hoceima, Fès-Meknès, Marrakesh-Safi, Oriental, Béni Mellal-Khénifra, Souss-Massa, Laâyoune-Sakia El Hamra, Rabat-Salé-Kénitra region, Mozambique, Temara, Niger, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Bangkok, Bangchan, Khlong Sam Wa, Gemopolis, Lard Krabang, Pathumthani, Bangkadi, Navanakorn, Samut Prakarn, Bangplee, Bangpoo, Saraburi, Nongkhae, SIL I/Land, Chachoengsao, 304 I/P, Gateway City, Wellgrow, Rayong, Amata City, Eastern Seaboard, Hemaraj Eastern Seaboard, Rojana, Soam Eastern, Chonburi, Amata Nakorn, Hemaraj Chonburi, Pinthong, Ayutthaya, Bangpa-in, Saha Ratna Nakorn, Nakornratchasima, Kabinburi, Prachinburi, HCMC, Tan Thuan Export Processing Zone, Bien Hoa, Dong Nai Province, Amata City Bien Hoa Industrial Park, Long Binh Techno Park, Binh Duong Province, Vietnam Singapore Industrial Park, My Phuoc Industrial Park, Ho Nai Industrial Zone, Bau Xeo Industrial Park, Long Thanh Industrial Zone, Long Duc Industrial Park, Duc Hao I, Tan Huong, Long Jiang, Tra Noc I/II, Hung Phu I, Hiep Phuoc Industrial Park, Phuoc Dong Industrial Park, Dinh Vu – Cat Hai Economic Zone.