Nipple
Nipples are fittings with external threads on both ends, designed for connecting pipes or other pipeline components with internal threads. They provide a hermetic connection capable of withstanding significant operational loads. The design of nipples allows for quick and efficient assembly and disassembly of pipeline sections, which greatly simplifies installation and maintenance processes.
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| Name | Connection | End connection type (input x output) | Length, l (inch) | Length, l (mm) | Nominal diameter, DN | Nominal size, NPS (inch) | Outer diameter, OD (mm) | Standard | Steel grade | Thread type | Type of fitting | Wall thickness, WT (mm) | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nipple welded (semi-welded) stainless R 1 1/4"x80mm PExMTE BSP EN 10241 / DIN 2982 | SWxTHRD - overlap welding and threading | PExTE - plain and threaded ends | — | 80 | 32 | 1 1/4" | 42.4 | EN 10241 / DIN 2982 | X2CrNiMo17-12-2 / 1.4404 | BSPT Male - tapered male thread | Nipple welded | 3.25 | 0.25 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A335 Gr. P22 | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A335 Gr. P11 | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A335 Gr. P9 | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A335 Gr. P5 | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A333 Gr. 6 | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A106 Gr. B | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Nipple 4" SCH 160 L=2 7/8" (73mm) BOExTOE (BExMTE) NPT Close ASTM A733 / ASME B36.10 | BWxTHRD - butt welding and threading | BOExTOE (BExTE) - beveled and threaded ends | 2 7/8" | 73 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.10 | A53 Gr. B | NPT Male - male thread | Nipple welded | 13.49 | 2.45 |
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| Stainless steel nipple 4" SCH XXS L=9" (228,6mm) TBE (MTExMTE) NPT Long ASTM A733 / ASME B36.19 | THRD - threaded | TBE (TExTE) - threaded ends | 9" | 228.6 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.19 | A312 Gr. TP321 | NPT Male - male thread | Nipple double | 17.12 | 9.52 |
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| Stainless steel nipple 4" SCH XXS L=9" (228,6mm) TBE (MTExMTE) NPT Long ASTM A733 / ASME B36.19 | THRD - threaded | TBE (TExTE) - threaded ends | 9" | 228.6 | 100 | 4" | 114.3 | ASTM A733 / ASME B36.19 | A312 Gr. TP316H | NPT Male - male thread | Nipple double | 17.12 | 9.52 |
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