API 605 Class 150 Blind Flanges are widely used in piping systems to terminate pipe ends, isolate sections for maintenance, or seal nozzles in pressure vessels. Also referred to as API 605 BLRF #150 (Blind Raised Face), API 605 BLFF #150 (Blind Flat Face), and API 605 Blank Flanges #150, these flanges are designed to provide a leak-proof closure with high strength and durability. At Tesco Steel & Engineering, we specialize in manufacturing superior-quality blind flanges that conform to international standards, ensuring long service life even in challenging industrial environments.
Our state-of-the-art manufacturing facility in Mumbai is equipped with advanced machinery, precision forging equipment, and stringent quality inspection processes. This high-tech setup allows us to produce blind flanges with exceptional dimensional accuracy, excellent surface finish, and superior mechanical strength. The consistent quality and reliability of our products make Tesco Steel & Engineering a trusted name in the global piping industry, ensuring that every API 605 Class 150 blind flange delivers outstanding performance.
Tesco Steel & Engineering is a globally recognized exporter of API 605 blind flanges, supplying them to industries across the USA, UK, Germany, Italy, Saudi Arabia, UAE, Oman, and other key Western and Middle Eastern countries. These flanges are extensively used in oil & gas, petrochemicals, power generation, water treatment, and process industries, making them an integral part of various critical projects. With superior product quality and strong international presence, we continue to be a preferred supplier of API 605 Class 150 blind flanges across diverse industrial applications.
| 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" | 785.9 | 41.1 | 88.9 | 684.3 | 661.9 | 711.2 | 744.5 | 36 | 22.4 | 3/4" | 9.7 |
| 28" | 836.7 | 44.5 | 95.3 | 735.1 | 712.7 | 762 | 795.3 | 40 | 22.4 | 3/4" | 9.7 |
| 30" | 887.5 | 44.5 | 100.1 | 787.4 | 763.5 | 812.8 | 846.1 | 44 | 22.4 | 3/4" | 9.7 |
| 32" | 941.3 | 46 | 108 | 839.7 | 814.3 | 863.6 | 900.2 | 48 | 22.4 | 3/4" | 9.7 |
| 34" | 1004.8 | 49.3 | 110.2 | 892 | 865.1 | 920.8 | 957.3 | 40 | 25.4 | 7/8" | 9.7 |
| 36" | 1057.1 | 52.3 | 117.3 | 944.6 | 915.9 | 971.6 | 1009.7 | 44 | 25.4 | 7/8" | 9.7 |
| 38" | 1124 | 53.8 | 124 | 997 | 968.2 | 1022.4 | 1069.8 | 40 | 28.4 | 1" | 9.7 |
| 40" | 1174.8 | 55.6 | 128.5 | 1049.3 | 1019 | 1079.5 | 1120.6 | 44 | 28.4 | 1" | 9.7 |
| 42" | 1225.6 | 58.7 | 133.4 | 1101.9 | 1069.8 | 1130.3 | 1171.4 | 48 | 28.4 | 1" | 11.2 |
| 44" | 1276.4 | 60.5 | 136.7 | 1152.7 | 1120.6 | 1181.1 | 1222.2 | 52 | 28.4 | 1" | 11.2 |
| 46" | 1341.4 | 62 | 144.5 | 1205 | 1171.4 | 1234.9 | 1284.2 | 40 | 31.8 | 1-1/8" | 11.2 |
| 48" | 1392.2 | 65 | 149.4 | 1257.3 | 1222.2 | 1289.1 | 1335 | 44 | 31.8 | 1-1/8" | 11.2 |
| 50" | 1443 | 68.3 | 153.9 | 1308.1 | 1273 | 1339.9 | 1385.8 | 48 | 31.8 | 1-1/8" | 11.2 |
| 52" | 1493.8 | 69.9 | 157.2 | 1360.5 | 1323.8 | 1390.7 | 1436.6 | 52 | 31.8 | 1-1/8" | 11.2 |
| 54" | 1549.4 | 71.4 | 162.1 | 1412.8 | 1374.6 | 1441.5 | 1492.3 | 56 | 31.8 | 1-1/8" | 11.2 |
| 56" | 1600.2 | 73.2 | 166.6 | 1465.4 | 1425.4 | 1492.3 | 1543.1 | 60 | 31.8 | 1-1/8" | 14.2 |
| 58" | 1674.9 | 74.7 | 174.8 | 1516.2 | 1476.2 | 1543.1 | 1611.4 | 48 | 35.1 | 1-1/4" | 14.2 |
| 60" | 1725.9 | 76.2 | 179.3 | 1570 | 1527 | 1600.2 | 1662.2 | 52 | 35.1 | 1-1/4" | 14.2 |
Countries we export to: API 605 Class 150 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:API 605 Blind Flanges 150# 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.