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4300Catalog MetricTube SeamlessEOSteelTubes(cont'd.) MaterialSt.37.4 St.37.4 DesignPressure Remarks: St.37.4 ZincPlated (bar) STANDARD Phosphated &Chromium-6 End Wall Tube DIN2413 DIN2413 Burst FROMSTOCK Corrosion--Additional &Oiled Free Size Toler- Thickness I.D. I III Pressure Weight Phos allowancesarenotconsid- PartNo. PartNo. (mm) ance (mm) (mm) Static Dynamic (bar) (kg/m) &Oil CF eredforthecalaculationof R20x1.5 R20x1.5VZ 20 1.5* 17 212 191 570 0.684 · pressures R20x2 R20x2VZ 20 2 16 282 249 920 0.888 · · R20x2.5 R20x2.5VZ 20 ±0.08 2.5 15 353 305 1220 1.079 · · da(bar) R20x3 R20x3VZ 20 3 14 373 358 1450 1.258 · · 1.35 R20x3.5 R20x3.5VZ 20 3.5 13 426 410 1720 1.424 dimax. R20x4 R20x4VZ 20 4 12 478 460 2080 1.578 · R22x1.5 R22x1.5VZ 22 1.5 19 192 174 590 0.758 · · arecalculatedforstaticstress R22x2 R22x2VZ 22 ±0.08 2 18 256 228 850 0.986 · · inaccordancewithDIN2413 R22x2.5 R22x2.5VZ 22 2.5 17 320 280 1040 1.202 · PartIII,butwithK=235 R22x3 R22x3VZ 22 3 16 385 329 1.406 N/mm2 R25x2 R25x2VZ 25 2 21 226 202 670 1.134 · · R25x2.5 R25x2.5VZ 25 2.5 20 282 249 920 1.387 · · Whenaspecificfactorof R25x3 R25x3VZ 25 ±0.08 3 19 338 294 1050 1.628 · · safetyisrequired,calcula- R25x4 R25x4VZ 25 4 17 394 379 1520 2.072 · tionsshouldbebasedupon R25x4.5 R25x4.5VZ 25 4.5 16 437 420 1780 2.275 theburstpressuresshownin R25x5 R25x5VZ 25 5 15 478 460 2120 2.466 theabovetables. R28x1.5 R28x1.5VZ 28 1.5 25 151 139 450 0.980 R28x2 R28x2VZ 28 2 24 201 182 620 1.282 · · Temperaturerange:-40°C R28x2.5 R28x2.5VZ 28 ±0.08 2.5 23 252 224 770 1.572 · upto120°Cwithoutpressure R28x3 R28x3VZ 28 3 22 302 265 920 1.850 · reductions. R28x4 R28x4VZ 28 4 20 403 343 2.368 R28x5 R28x5VZ 28 5 18 434 417 2.836 Surfacefinish: R30x2 R30x2VZ 30 2* 26 188 171 620 1.381 · R30x2.5 R30x2.5VZ 30 2.5 25 235 210 770 1.695 · TubeswithI.D.1.5to5mm: R30x3 R30x3VZ 30 ±0.08 3 24 282 249 920 1.998 · · outsideandinsideoiled. R30x4 R30x4VZ 30 4 22 376 323 1250 2.565 · · R30x5 R30x5VZ 30 5 20 409 393 1580 3.083 Tubesfrom6mmI.D.and R35x2 R35x2VZ 35 2 31 161 147 470 1.628 · · above:outsideandinside R35x2.5 R35x2.5VZ 35 2.5 30 201 182 620 2.004 phosphatedandoiled. R35x3 R35x3VZ 35 ±0.15 3 29 242 216 720 2.367 · · R35x4 R35x4VZ 35 4 27 322 281 960 3.058 · R35x5 R35x5VZ 35 5 25 403 343 3.699 R35x6 R35x6VZ 35 6 23 419 403 4.291 R38x2.5 R38x2.5VZ 38 2.5* 33 186 168 550 2.189 R38x3 R38x3VZ 38 3 32 223 200 660 2.589 · R38x4 R38x4VZ 38 ±0.15 4 30 297 261 970 3.354 · · R38x5 R38x5VZ 38 5 28 371 319 1350 4.069 · · R38x6 R38x6VZ 38 6 26 390 375 4.735 · R38x7 R38x7VZ 38 7 24 446 429 5.352 · R42x2 R42x2VZ 42 2* 38 134 124 390 1.973 · · R42x3 R42x3VZ 42 ±0.2 3 36 201 182 580 2.885 · · R42x4 R42x4VZ 42 4 34 269 238 850 3.749 · R50x6 R50x6VZ 50 ±0.2 6 38 338 6.511 R50x9 R50x9VZ 50 9 32 437 9.100 R65x8 R65x8VZ 65 ±0.3 8 49 347 11.246 R80x10 R80x10VZ 80 ±0.35 10 60 353 17.263 *Tubeswhichneedasupportsleeve(VH)forassemblyinEOandEO-2fittings. TableR3--SeamlessEOsteeltubes(cont'd.) Dimensionsandpressuresforreferenceonly,subjecttochange. R5 ParkerHannifinCorporation TubeFittingsDivision Columbus,Ohio http://www.parker.com/tfd
