Twinco Industrial supplies a full range of flanges for industrial and pipeline applications, including weld neck, slip-on, lap joint, blind, and API flanges.
We offer both domestic and import options, available in a wide range of sizes, pressure classes, and materials – ready to support everything from routine maintenance to critical projects.
| Category | Products Included |
|---|---|
| Flange Types | Weld Neck (WN), Slip-On (SO), Blind (BL), Lap Joint (LJ), Socket Weld (SW), Threaded (THD), API Flanges |
| Size Range | ½″ through 72″ |
| Pressure Classes (ASME) | 150, 300, 400, 600, 900, 1500, 2500 |
| Flange Series | ASME B16.5, ASME B16.47 Series A (MSS SP-44), ASME B16.47 Series B (API 605) |
| API Ratings | 2,000 PSI, 3,000 PSI, 5,000 PSI, 10,000 PSI, 15,000 PSI |
| Materials | Carbon Steel (A105N, A350 LF2), Stainless Steel (304/304L, 316/316L), Alloy Steel (F11, F22, F91), Duplex / Super Duplex, Nickel Alloys (Inconel, Monel, Hastelloy) |
| Manufacturing Origin | Domestic (USA) and Import |
Explore our extensive selection of new and surplus flanges, fittings, and valves, ready to meet the demands of your next project.
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