ASME B16.1 Class 125 Slip On Flanges are widely used in low to medium-pressure piping systems, offering a reliable and efficient solution for connecting pipes. Known as SORF #125 (Slip On Raised Face), SOFF #125 (Slip On Flat Face), and SO Flanges #125, these flanges are slipped over the pipe and welded on both the inside and outside to ensure a secure, leak-proof joint. At Tesco Steel & Engineering, we manufacture these flanges with precision and premium materials, meeting international standards and delivering exceptional durability for a wide range of industrial applications.
Produced at our state-of-the-art Mumbai factory, equipped with advanced CNC machinery, automated fabrication lines, and rigorous quality checks, our Class 125 slip on flanges are renowned for their superior quality and high-tech manufacturing. These flanges provide excellent corrosion resistance, dimensional accuracy, and long-lasting performance, making them a preferred choice for engineers and project managers worldwide. Tesco Steel & Engineering ensures every product meets strict performance criteria, offering reliability in demanding industrial systems.
Our Class 125 slip on flanges are exported globally to countries including the USA, UK, Germany, Italy, Saudi Arabia, UAE, and Oman, serving both Western and Middle Eastern markets. They are commonly applied in industries such as water treatment, HVAC, chemical processing, petrochemicals, and low-pressure oil & gas pipelines, where ease of installation and maintenance is critical. With a combination of high-quality manufacturing, global reach, and dependable performance, Tesco Steel & Engineering remains a trusted supplier of ASME B16.1 Class 125 SO Flanges for diverse industrial applications.
| Nominal Size |
Outside Diameter (OD) |
Thickness (T) |
Diameter at Base (E) |
Bore (B) |
LTH (L) |
Drilling - Bolt Circle (BC) |
Drilling - Hole Diameter | Drilling - No. of Holes |
Weight (lbs) |
|---|---|---|---|---|---|---|---|---|---|
| 26 | 34.25 | 2 | 28.5 | 26.19 | 3.375 | 31.75 | 1.375 | 24 | 235 |
| 28 | 36.5 | 2.062 | 30.75 | 28.19 | 3.438 | 34 | 1.375 | 28 | 269 |
| 30 | 38.75 | 2.125 | 32.75 | 30.19 | 3.5 | 36 | 1.375 | 28 | 303 |
| 32 | 41.75 | 2.25 | 35 | 32.19 | 3.625 | 38.5 | 1.625 | 28 | 375 |
| 34 | 43.75 | 2.312 | 37 | 34.19 | 3.688 | 40.5 | 1.625 | 32 | 401 |
| 36 | 46 | 2.375 | 39.25 | 36.19 | 3.75 | 42.75 | 1.625 | 32 | 452 |
| 38 | 48.75 | 2.375 | 41.75 | 38.19 | 3.75 | 45.25 | 1.625 | 32 | 528 |
| 40 | 50.75 | 2.5 | 43.75 | 40.19 | 3.875 | 47.25 | 1.625 | 36 | 573 |
| 42 | 53 | 2.625 | 46 | 42.19 | 4 | 49.5 | 1.625 | 36 | 648 |
| 44 | 55.25 | 2.625 | 48 | 44.19 | 4 | 51.75 | 1.625 | 40 | 688 |
| 46 | 57.25 | 2.688 | 50 | 46.19 | 4.062 | 53.75 | 1.625 | 40 | 733 |
| 48 | 59.5 | 2.75 | 52.25 | 48.19 | 4.125 | 56 | 1.625 | 44 | 799 |
| 50 | 61.75 | 2.75 | 54.25 | 50.19 | 4.125 | 58.25 | 1.875 | 44 | 827 |
| 52 | 64 | 2.875 | 56.5 | 52.19 | 4.25 | 60.5 | 1.875 | 44 | 922 |
| 54 | 66.25 | 3 | 58.75 | 54.19 | 4.375 | 62.75 | 1.875 | 44 | 1024 |
| 60 | 73 | 3.125 | 65.25 | 60.19 | 4.5 | 69.25 | 1.875 | 52 | 1253 |
| 66 | 80 | 3.375 | 71.5 | 66.19 | 4.875 | 76 | 1.875 | 52 | 1623 |
| 72 | 86.5 | 3.5 | 78.5 | 72.19 | 5 | 82.5 | 1.875 | 60 | 1922 |
| 78 | 93 | 3.875 | 84.5 | 78.19 | 5.375 | 89 | 2.125 | 64 | 2279 |
| 84 | 99.75 | 3.875 | 90.5 | 84.19 | 5.375 | 95.5 | 2.125 | 64 | 2586 |
| 90 | 106.5 | 4.25 | 96.75 | 90.19 | 5.75 | 102 | 2.438 | 68 | 3061 |
| 96 | 113.25 | 4.25 | 102.75 | 96.19 | 5.75 | 108.5 | 2.438 | 68 | 3432 |
| ANSI B16.1 Class 125 Slip On Flange |
| ANSI B16.1 Class 250 Slip On Flange |
Countries we export to: ASME B16.1 Class 125 Slip On 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: ANSI B16.1 #125 SORF 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.