API 605 Class 300 Blind Flanges are critical components in high-pressure piping systems, designed to close pipe ends securely and ensure complete isolation when required. Also known as API 605 BLRF #300 (Blind Raised Face), API 605 BLFF #300 (Blind Flat Face), and API 605 Blank Flanges #300, these flanges are widely used for safety, maintenance, and testing purposes. At Tesco Steel & Engineering, we manufacture blind flanges with superior strength, durability, and leak-proof performance, meeting the exact requirements of demanding industries worldwide.
Our advanced manufacturing facility in Mumbai is equipped with modern CNC machines, automated testing equipment, and highly skilled engineers. This state-of-the-art plant enables us to produce flanges with exceptional accuracy, high tensile strength, and flawless surface finish. Every API 605 Class 300 blind flange is subjected to strict quality checks to ensure compliance with global standards. The result is a premium product that stands out in terms of reliability, making Tesco Steel & Engineering a trusted name in the flange manufacturing sector.
We proudly export our API 605 Class 300 blind flanges to multiple international markets, including the USA, UK, Germany, France, Italy, Saudi Arabia, UAE, and Oman, serving industries such as oil & gas, chemical processing, power generation, and water treatment. Our flanges are recognized for their consistent performance across a variety of industrial applications, making them the preferred choice for clients across Western and Middle Eastern countries. With superior quality, timely delivery, and a global presence, Tesco Steel & Engineering continues to be a leading supplier of API 605 blind flanges 300 class.
| Pipe Normal Diam. | O.D. OF Flange |
Thickness | 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" | 866.6 | 88.9 | 736.6 | 803.1 | 32 | 35.1 | 1 1/4 | 14.2 |
| 28" | 920.8 | 88.9 | 787.4 | 857.3 | 36 | 35.1 | 1 1/4 | 14.2 |
| 30" | 990.6 | 93.7 | 844.6 | 920.8 | 36 | 38.1 | 1 3/8 | 14.2 |
| 32" | 1054.1 | 103.1 | 901.7 | 977.9 | 32 | 41.1 | 1 1/2 | 15.7 |
| 34" | 1107.9 | 103.1 | 952.5 | 1031.7 | 36 | 41.1 | 1 1/2 | 15.7 |
| 36" | 1171.4 | 103.1 | 1009.7 | 1089.2 | 32 | 44.5 | 1 5/8 | 15.7 |
| 38" | 1222.2 | 111.3 | 1060.5 | 1140 | 36 | 44.5 | 1 5/8 | 15.7 |
| 40" | 1273 | 115.8 | 1114.6 | 1190.8 | 40 | 44.5 | 1 5/8 | 15.7 |
| 42" | 1333.5 | 119.1 | 1168.4 | 1244.6 | 36 | 47.8 | 1 3/4 | 15.7 |
| 44" | 1384.3 | 127 | 1219.2 | 1295.4 | 40 | 47.8 | 1 3/4 | 15.7 |
| 46" | 1460.5 | 130 | 1270 | 1365.3 | 36 | 50.8 | 1 7/8 | 15.7 |
| 48" | 1511.3 | 134.9 | 1327.2 | 1416.1 | 40 | 50.8 | 1 7/8 | 15.7 |
| 50" | 1562.1 | 139.7 | 1378 | 1466.9 | 44 | 50.8 | 1 7/8 | 15.7 |
| 52" | 1612.9 | 144.3 | 1428.8 | 1517.7 | 48 | 50.8 | 1 7/8 | 15.7 |
| 54" | 1673.4 | 149.4 | 1479.6 | 1577.8 | 48 | 50.8 | 1 7/8 | 15.7 |
| 56" | 1765.3 | 157 | 1536.7 | 1651 | 36 | 60.5 | 2 1/4 | 17.5 |
| 58" | 1827.3 | 162.1 | 1593.9 | 1713 | 40 | 60.5 | 2 1/4 | 17.5 |
| 60" | 1878.1 | 166.6 | 1651 | 1763.8 | 40 | 60.5 | 2 1/4 | 17.5 |
Countries we export to: API 605 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:API 605 Blind Flanges 300# 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.