Welded Seamless Pipe Fittings Industrial Pipe Stub End ASME B16.9 ASME B16.28
Our factory produces seamless butt welded carbon steel pipe fittings, stainless steel pipe fittings,
(elbows, tees, reducers, heads, bends, pipe caps, stub end), flanges (flat welding flanges, butt welding
flanges, flange covers, blind flange), compensators, and industrial welded pipe fittings for forged high-pressure pipes.
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Nominal Diameter NPS |
Nipple Diameter D |
Connection dimension F |
Round radius | Landing edge diameter | ||
| Max | Min | Elongated | Short type | R | G | |
| 1/2 | 22.8 | 20.5 | 76 | 51 | 3 | 35 |
| 3/4 | 28.1 | 25.9 | 76 | 51 | 3 | 43 |
| 1 | 35 | 32.6 | 102 | 51 | 3 | 51 |
| 1.1/4 | 43 | 41.4 | 102 | 51 | 5 | 64 |
| 1.1/2 | 49.9 | 47.5 | 102 | 51 | 6 | 73 |
| 2 | 62.4 | 59.5 | 152 | 64 | 8 | 92 |
| 2.1/2 | 75.3 | 72.2 | 152 | 64 | 8 | 105 |
| 3 | 91.3 | 88.1 | 152 | 64 | 10 | 127 |
| 3.1/2 | 104 | 100.8 | 152 | 76 | 10 | 140 |
| 4 | 116.7 | 113.5 | 152 | 76 | 11 | 157 |
| 5 | 144.3 | 140.5 | 203 | 76 | 11 | 186 |
| 6 | 171.3 | 167.5 | 203 | 89 | 13 | 216 |
| 8 | 222.1 | 218.3 | 203 | 102 | 13 | 270 |
| 10 | 277.2 | 272.3 | 254 | 127 | 13 | 324 |
| 12 | 328 | 323.1 | 254 | 152 | 13 | 381 |
| 14 | 359.9 | 354.8 | 305 | 152 | 13 | 413 |
| 16 | 411 | 405.6 | 305 | 152 | 13 |
470 |
| 18 | 462 | 456 | 305 | 152 | 13 | 533 |
| 20 | 514 | 507 | 305 | 152 | 13 | 584 |
| 22 | 565 | 558 | 305 | 152 | 13 | 641 |
| 24 | 616 | 609 | 305 | 152 | 13 | 692 |
Factory
Testing Center
Our company's testing center has various experimental equipment, including Rockwell hardness testers,
metallographic microscopes, coordinate measuring machines, yield testing benches, bending testers,
tensile testers, high-density ultrasonic flaw detectors, light cutting microscopes, vertical optical meters,
and other professional equipment; The testing center currently has 15 professional testing personnel,
including 5 quality engineers and 2 quality chief engineers, all of whom have higher degrees.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.