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ANSI/ASME B16.9 Seamless Buttwelding 180° Returns
| Standards: | ANSI - B 16.9 ASTM A403 - ASME SA403 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings' API 590-605 ASME B16.9 - 'Factory-Made Wrought Buttwelding Fittings'' ASME B16.25 - 'Buttwelding Ends' ASME B16.28 - 'Wrought Steel Buttwelding Short Radius Elbows and Returns' MSS SP-43 - 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications' |
| Schedule: | Sch 5 TO Sch XXS. |
| Sizes: | 1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” ) |
| Materials: | Monel, Nickel, Inconel, Hastalloy, Titanium, Tantalum, Stainless Steel, Alloy Steel, Carbon Steel, Cupro-Nickel 90/10 & 70/30 Stainless Steel ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L, 316/316L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
| Type: | Butt Weld (BW) |
| Thickness: | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. |
| Dimension: | ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313 |
Dimensions
FACTORY-MADE WROUGHT BUTTWELDING FITTINGS
DIMENSIONS OF 180ºRETURN
| Nominal Pip Size (NPS) | DN | Outside Diameter at Bevel | Center- to-Center D | Back-to-Face K | ||
| Long Radius | Short Radius | Long Radius | Short Radius | |||
| 1/2 | 15 | 21.3 | 76 | 48 | ||
| 3/4 | 20[Note(3)] | 26.7 | 76 | 51 | ||
| 1 | 25 | 33.4 | 76 | 51 | 56 | 41 |
| 1-1/4 | 32 | 42.2 | 95 | 64 | 70 | 52 |
| 1-1/2 | 40 | 48.3 | 114 | 76 | 83 | 62 |
| 2 | 50 | 60.3 | 152 | 102 | 106 | 81 |
| 2-1/2 | 65 | 73.0 | 190 | 127 | 132 | 100 |
| 3 | 80 | 88.9 | 229 | 152 | 159 | 121 |
| 3-1/2 | 90 | 101.6 | 267 | 178 | 184 | 140 |
| 4 | 100 | 114.3 | 305 | 203 | 210 | 159 |
| 5 | 125 | 141.3 | 381 | 254 | 262 | 197 |
| 6 | 150 | 168.3 | 457 | 305 | 313 | 237 |
| 8 | 200 | 219.1 | 610 | 406 | 414 | 313 |
| 10 | 250 | 273.0 | 762 | 508 | 518 | 391 |
| 12 | 300 | 323.8 | 914 | 610 | 619 | 467 |
| 14 | 350 | 355.6 | 1067 | 711 | 711 | 533 |
| 16 | 400 | 406.4 | 1219 | 813 | 813 | 610 |
| 18 | 450 | 457 | 1372 | 914 | 914 | 686 |
| 20 | 500 | 508 | 1524 | 1016 | 1016 | 762 |
| 22 | 550 | 559 | 1676 | 1118 | 1118 | 838 |
| 24 | 600 | 610 | 1829 | 1219 | 1219 | 914 |
All dimensions are in millimeters.
NOTES:
(1) See Table 2 for tolerances for alignment of ends U.
(2) Dimension A is equal to one-half of dimension O.
(3) O and K dimensions of 55mm and 43mm,respectively,mat be furnished for NPS 3/4(DN20)at the manufacture's option.
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