213 Conversion Table for Pressure Units The parameters shown in the table are approximate values for only reference. Units MPa KPa Kgf/cm2 bar psi (Lbf/in2) mmH2O mmHg (Torr) atm 1MPa 1000 KPa 1.0197×10 kgf/cm2 10 bar 145.04 psi 1.0197×105 mmH2O 7.5006×103 mmHg 9.8692 atm 1KPa 1.0×10-3 MPa 1.0197×10-3 kgf/cm2 1.0×10-2 bar 0.14504 psi 1.0197×102 mmH2O 7.5006 mmHg 9.8692×10-3 atm 1Kgf/cm2 9.8067×10-2 MPa 98.067 KPa 0.98067 bar 14.223 psi 1×104 mmH2O 7.3556×102 mmHg 9.6784×10-1 atm 1bar 0.1 MPa 100 KPa 1.0197 kgf/cm2 14.504 psi 1.0197×104 mmH2O 7.5006×102 mmHg 0.98692 atm 1psi (Lbf/in2) 6.8948×10-3 MPa 6.8948 KPa 7.0307×10-2 kgf/cm2 6.8948×10-2 bar 7.0306×102 mmH2O 51.715 mmHg 6.8046×10-2 atm 1mmH2O 9.8067×10-6 MPa 9.8067×10-3 KPa 1×10-5 kgf/cm2 9.8067×10-5 bar 1.4224 psi 7.3556×10-2 mmHg 9.6784×10-5 atm 1mmHg (Torr) 1.3332×10-4 MPa 1.3332×10-1 KPa 1.3595×10-3 kgf/cm2 1.3332×10-3 bar 1.9337×10-2 psi 13.595 mmH2O 1.3158×10-3 atm 1atm 1.0133×10-1 MPa 1.0133×10-2 KPa 1.0333 kgf/cm2 1.0133 bar 14.697 psi 1.0333×104 mmH2O 7.6004×102 mmHg JIS 10K ANSI CLASS 125/150 DIN PN10 TABLE-D Size JIS B 2238 ASME B16.5 DIN 2501 BS10 d d D P.C.D.C h n Bolt D P.C.D.C h n Bolt D P.C.D.C h n Bolt D P.C.D.C h n Bolt mm Inch mm mm mm - - Inch mm Inch mm Inch mm - - mm mm mm - - Inch mm Inch mm Inch mm - - 10mm 3/8" 90 65 15 4 M12 - - - - - - - - - - - - - - - - - - - - - 15mm 1/2" 95 70 15 4 M12 3.5 89 2.4 60 0.6 16 4 UNC1/2 95 65 14 4 M12 3.8 95 2.6 67 0.5 13 4 - 20mm 3/4" 100 75 15 4 M12 3.9 98 2.8 70 0.6 16 4 UNC1/2 105 75 14 4 M12 4 102 2.9 73 0.5 13 4 - 25mm 1" 125 90 19 4 M16 4.3 108 3.1 79 0.6 16 4 UNC1/2 115 85 14 4 M12 4.5 114 3.3 83 0.5 13 4 - 32mm 1-1/4" 135 100 19 4 M16 4.6 117 3.5 89 0.6 16 4 UNC1/2 140 100 18 4 M16 4.8 121 3.4 87 0.5 13 4 - 40mm 1-1/2" 140 105 19 4 M16 5 127 3.9 98 0.6 16 4 UNC1/2 150 110 18 4 M16 5.3 133 3.9 98 0.5 13 4 - 50mm 2" 155 120 19 4 M16 6 152 4.8 121 0.8 19 4 UNC5/8 165 125 18 4 M16 6 152 4.5 114 0.6 16 4 - 65mm 2-1/2" 175 140 19 4 M16 7 178 5.5 140 0.8 19 4 UNC5/8 185 145 18 4 M16 6.5 165 5 127 0.6 16 4 - 80mm 3" 185 150 19 8 M16 7.5 191 6 152 0.8 19 4 UNC5/8 200 160 18 8 M16 7.3 184 5.8 146 0.6 16 4 - 100mm 4" 210 175 19 8 M16 9 229 7.5 191 0.8 19 8 UNC5/8 220 180 18 8 M16 8.5 216 7 178 0.6 16 4 - 125mm 5" 250 210 23 8 M20 10 254 8.5 216 0.9 22 8 UNC3/4 250 210 18 8 M16 10 254 8.3 210 0.6 16 8 - 150mm 6" 280 240 23 8 M20 11 279 9.5 241 0.9 22 8 UNC3/4 285 240 22 8 M20 11 279 9.3 235 0.6 16 8 - 200mm 8" 330 290 23 12 M20 13.5 343 11.8 298 0.9 22 8 UNC3/4 340 295 22 8 M20 13.3 337 11.5 292 0.6 16 8 - 250mm 10" 400 355 25 12 M22 16 406 14.3 362 1 25 12 UNC7/8 395 350 22 12 M20 16 406 14 356 0.8 19 8 - 300mm 12" 445 400 25 16 M22 19 483 17 432 1 25 12 UNC7/8 445 400 22 12 M20 18 457 16 406 0.8 19 12 - 350mm 14" 490 445 25 16 M22 21 533 18.8 476 1.1 29 12 UNC1 505 460 22 16 M20 20.8 527 18.5 470 0.9 22 12 - 400mm 16" 560 510 27 16 M24 23.5 597 21.3 540 1.1 29 16 UNC1 565 515 26 16 M24 22.8 578 20.5 521 0.9 22 12 - 450mm 18" 620 565 27 20 M24 25 635 22.8 578 1.3 32 16 UNC1-1/8 615 565 26 20 M24 25.3 641 23 584 0.9 22 12 - 500mm 20" 675 620 27 20 M24 27.5 699 25 635 1.3 32 20 UNC1-1/8 670 620 26 20 M24 27.8 705 25.3 641 0.9 22 16 - 600mm 24" 795 730 33 24 M30 32 813 29.5 749 1.4 35 20 UNC1-1/4 780 725 30 20 M27 32.5 826 29.8 756 1 25 16 - 700mm 28" 905 840 33 24 M30 36.5 927 34 864 1.4 35 28 - 895 840 30 24 M27 - - - - - - - - 800mm 32" 1020 950 33 28 M30 41.8 1060 38.5 978 1.6 41 28 - 1015 950 33 24 M30 - - - - - - - - 900mm 36" 1120 1050 33 28 M30 46 1168 42.8 1086 1.6 41 32 - 1115 1050 33 28 M30 46.3 1175 43 1092 1.3 32 24 - 1,000mm 40" 1235 1160 39 28 M36 50.8 1289 47.3 1200 1.6 41 36 - 1230 1160 36 28 M33 - - - - - - - - 1,100mm 44" - - - - - 55.3 1403 51.8 1314 1.6 41 40 - - - - - - - - - - - - - - 1,200mm 48" - - - - - 59.5 1511 56 1422 1.6 41 44 - 1455 1380 39 32 M36 58.8 1492 55.5 1410 1.3 32 32 - Comparison of Flanged End (JIS, ANSI, DIN and BS) n-φh φｄ P.C.D.C φD