Register Office: 9, Ratna Sadan, 105, 5th Kumbharwada Lane, Mumbai 400004.
Corporate Office :
2nd Floor, Office No 5/B, Kanji Mansion
Sardar Vallabhbhai Patel Road
Khetwadi Mumbai 400 004
Kwality Tubes offers a wide range of high-quality flanges made from premium stainless steel, carbon steel, and alloy steel, ensuring strong, secure, and leak-proof connections in piping systems across various industries. The product line includes weld neck, slip-on, socket weld, lap joint, threaded, blind, and reducing flanges, all manufactured to international standards such as ASTM, ASME, DIN, and EN. Each flange is precision-engineered for accurate dimensions, smooth surfaces, and easy installation. Widely used in oil and gas, petrochemical, power generation, water treatment, and chemical sectors, Kwality Tubes’ flanges deliver reliable performance, long service life, and dependable joint integrity for critical piping applications.
| Specification | Details |
|---|---|
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel |
| Standards | ASTM A105, ASTM A182, ASME B16.5, ASME B16.47, DIN, EN |
| Types | Weld Neck, Slip-On, Socket Weld, Threaded, Lap Joint, Blind, Reducing |
| Size Range | ½" to 48" (DN15 to DN1200) |
| Pressure Rating | Class 150, 300, 400, 600, 900, 1500, 2500 |
| Facing | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Applications | Oil & Gas, Petrochemical, Power Plants, Chemical Processing, Water & Wastewater Systems |
| Grade | Composition Highlights | Common Applications |
|---|---|---|
| Carbon Steel A105 | High Strength Carbon Steel | Oil & Gas, General Piping, High-Pressure Systems |
| Stainless Steel 304 / 304L | 18% Cr, 8% Ni / Low Carbon Version | Food Industry, Chemical Piping, Corrosion-Resistant Systems |
| Stainless Steel 316 / 316L | 16% Cr, 10% Ni, 2% Mo | Marine, Chemical Plants, Corrosive Environments |
| Alloy Steel A182 F11 / F22 | Chromium-Molybdenum Alloy Steel | High Temperature, Pressure Vessels, Power Plants |
| Duplex / Super Duplex | High Cr, High Mo, Excellent Corrosion Resistance | Seawater Systems, Offshore Platforms, Chemical Applications |