ASME B16.47 Series A Class 400 weld neck flanges are engineered to handle high-pressure, large-diameter piping systems with precision and reliability, ensuring a secure, leak-free connection in demanding industrial environments. Tesco Steel & Engineering manufactures ASME B16.47 Series A Class 400 weld neck flanges using advanced machining and strict dimensional control, providing a smooth bore transition that reduces turbulence and stress concentrations in critical systems. These flanges are ideal for applications in oil and gas, petrochemical, offshore platforms, and power generation plants, where durability and pressure integrity are vital for safe, continuous operations.
At Tesco Steel & Engineering, we take pride in delivering superior quality flanges that meet global standards and project requirements, ensuring long-term performance in high-pressure and high-temperature conditions. Each ASME B16.47 Series A Class 400 weld neck flange is manufactured using premium raw materials with meticulous inspections for flatness, surface finish, and dimensional accuracy to guarantee optimal sealing and structural stability under pressure. These flanges are engineered to handle cyclic loading, vibration, and thermal variations without compromising the integrity of your piping systems, making them a reliable solution for critical industrial installations.
Tesco Steel & Engineering exports ASME B16.47 Series A Class 400 weld neck flanges to the USA, Germany, the UK, Saudi Arabia, the UAE, and Qatar, serving industries across Western and Middle Eastern markets with dependable flange solutions for high-pressure applications. As a trusted manufacturer, we focus on rigorous quality control, competitive pricing, and on-time delivery, ensuring your projects receive high-quality flanges that enhance safety, reduce downtime, and support operational excellence. By choosing Tesco Steel & Engineering, you gain access to robust, precision-engineered ASME B16.47 Series A Class 400 weld neck flanges that contribute to the reliable functioning of your industrial and infrastructure projects worldwide.
| NPS | OD | D | B | H | A | G | K | L | No of Bolts |
Stud Bolt Dia x L |
|
| 26 | 660.4 | 970 | 95.25 | 200.35 | 727 | 749 | 876.3 | 47.6 | 28 | 1.3/4 | 317 |
| 28 | 711.2 | 1035 | 101.65 | 212.35 | 783 | 800 | 939.8 | 50.8 | 28 | 1.7/8 | 336 |
| 30 | 762 | 1090 | 107.95 | 225.35 | 837 | 857 | 997 | 54 | 28 | 2 | 355 |
| 32 | 812.8 | 1150 | 114.35 | 238.35 | 889 | 914 | 1054.1 | 54 | 28 | 2 | 361 |
| 34 | 863.6 | 1205 | 117.55 | 247.35 | 945 | 965 | 1104.9 | 54 | 28 | 2 | 374 |
| 36 | 914.4 | 1270 | 120.65 | 257.35 | 1000 | 1022 | 1168.4 | 54 | 32 | 2 | 381 |
| 38 | 965.2 | 1205 | 130.25 | 212.35 | 1003 | 1035 | 1117.6 | 47.6 | 32 | 1.3/4 | 374 |
| 40 | 1016 | 1270 | 136.55 | 222.35 | 1054 | 1092 | 1174.8 | 50.8 | 32 | 1.7/8 | 393 |
| 42 | 1066.8 | 1320 | 139.75 | 230.35 | 1108 | 1143 | 1225.6 | 50.8 | 32 | 1.7/8 | 400 |
| 44 | 1117.6 | 1385 | 146.05 | 239.35 | 1159 | 1200 | 1282.7 | 54 | 32 | 2 | 419 |
| 46 | 1168.4 | 1440 | 152.45 | 250.35 | 1213 | 1257 | 1339.8 | 54 | 36 | 2 | 431 |
| 48 | 1219.2 | 1510 | 158.75 | 263.35 | 1267 | 1308 | 1403.4 | 60.3 | 28 | 2.1/4 | 457 |
| 50 | 1270.2 | 1570 | 163.55 | 274.35 | 1321 | 1362 | 1460.5 | 60.3 | 32 | 2.1/4 | 469 |
| 52 | 1320.8 | 1620 | 168.35 | 282.35 | 1372 | 1413 | 1511.3 | 60.3 | 32 | 2.1/4 | 476 |
| 54 | 1371.6 | 1700 | 176.25 | 295.35 | 1426 | 1470 | 1581.2 | 66.7 | 28 | 2.1/2 | 508 |
| 56 | 1422.4 | 1755 | 181.05 | 304.35 | 1480 | 1527 | 1632 | 66.7 | 32 | 2.1/2 | 514 |
| 58 | 1473.2 | 1805 | 184.15 | 312.35 | 1530 | 1578 | 1682.8 | 66.7 | 32 | 2.1/2 | 520 |
| 60 | 1524 | 1885 | 192.15 | 325.35 | 1584 | 1635 | 1752.6 | 73 | 32 | 2.3/4 | 552 |
Countries we export to:Manufacturers / Suppliers / Stockist of ANSI ASME B16.47 Series A Class 400 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: ASME B16.47 Series A CLass 300 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.