ASME B16.47 Series A Class 300 blind flanges are designed to provide secure, leak-proof closures in large-diameter, high-pressure piping systems across critical industries. Tesco Steel & Engineering manufactures high-quality ASME B16.47 Series A Class 300 blind flanges with precise machining, excellent surface finishes, and strict adherence to dimensional tolerances, ensuring reliable performance in demanding environments. These blind flanges are ideal for oil and gas, petrochemical, power generation, and water treatment sectors requiring effective system isolation and easy access for inspection and maintenance in high-pressure operations.
Tesco Steel & Engineering proudly exports ASME B16.47 Series A Class 300 blind flanges to the USA, Germany, the UK, Saudi Arabia, the UAE, and Qatar, serving clients across Western and Middle Eastern markets with dependable flange solutions. As a trusted manufacturer, we focus on superior material quality, rigorous quality control, competitive pricing, and on-time delivery, ensuring your projects receive durable blind flanges that enhance system safety and operational efficiency. By choosing Tesco Steel & Engineering, you equip your pipelines with precision-engineered ASME B16.47 Series A Class 300 blind flanges that deliver consistent, leak-free performance for your critical industrial applications.

| Pipe Normal Diam. | O.D. OF Flange |
Thick ness (Thk.) |
Raised Face Diam. |
Diam. of Bolt Circle |
No. of Bolt Holes |
Diam. of Bolt Holes |
Diam. of Bolt |
Fillet Radius Min. |
|---|---|---|---|---|---|---|---|---|
| inch | O | C | R | BD | BN | BH | DB | r1 |
| 26" | 971.6 | 84.1 | 749.3 | 876.3 | 28 | 44.5 | 1 5/8 | 9.7 |
| 28" | 1035.1 | 90.4 | 800.1 | 939.8 | 28 | 44.5 | 1 5/8 | 11.2 |
| 30" | 1092.2 | 95.3 | 857.3 | 997 | 28 | 47.8 | 1 3/4 | 11.2 |
| 32" | 1149.4 | 100.1 | 914.4 | 1054.1 | 28 | 50.8 | 1 7/8 | 11.2 |
| 34" | 1206.5 | 104.6 | 965.2 | 1104.9 | 28 | 50.8 | 1 7/8 | 12.7 |
| 36" | 1270 | 111.3 | 1022.4 | 1168.4 | 32 | 53.8 | 2 | 12.7 |
| 38" | 1168.4 | 108 | 1028.7 | 1092.2 | 32 | 41.1 | 1 1/2 | 12.7 |
| 40" | 1238.3 | 114.3 | 1085.9 | 1155.7 | 32 | 44.5 | 1 5/8 | 12.7 |
| 42" | 1289.1 | 119.1 | 1136.7 | 1206.5 | 32 | 44.5 | 1 5/8 | 12.7 |
| 44" | 1352.6 | 124 | 1193.8 | 1263.7 | 32 | 47.8 | 1 3/4 | 12.7 |
| 46" | 1416.1 | 128.5 | 1244.6 | 1320.8 | 28 | 50.8 | 1 7/8 | 12.7 |
| 48" | 1466.9 | 133.4 | 1301.8 | 1371.6 | 32 | 50.8 | 1 7/8 | 12.7 |
| 50" | 1530.4 | 139.7 | 1358.9 | 1428.8 | 32 | 53.8 | 2 | 12.7 |
| 52" | 1581.2 | 144.5 | 1409.7 | 1479.6 | 32 | 53.8 | 2 | 12.7 |
| 54" | 1657.4 | 152.4 | 1466.9 | 1549.4 | 28 | 60.5 | 2 1/4 | 12.7 |
| 56" | 1708.2 | 153.9 | 1517.7 | 1600.2 | 28 | 60.5 | 2 1/4 | 12.7 |
| 58" | 1759 | 158.8 | 1574.8 | 1651 | 32 | 60.5 | 2 1/4 | 12.7 |
| 60" | 1809.8 | 163.6 | 1625.6 | 1701.8 | 32 | 60.5 | 2 1/4 | 12.7 |
Countries we export to: ANSI / ASME B16.47 Series A Class 300 Blind 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: Blind 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.