注明: 1.NSP 24″ 和小于ANSI B16.5,NPS 26 和大于MSS SP-44. 2.Class 150 和 Class 300 法兰包含0.06 凸面的zui低厚度. ·法兰连接尺寸 150Lb | NPS | DN | D | D1 | D2 | b | φ d | n-Z | 螺栓长度 | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | Num | inch | RF | R&G | 1/2 | 15 | 3.50 | 89 | 2.38 | 60.5 | 1.38 | 35 | 0.38 | 1.0 | 0.62 | 16 | 4 | 1/2 | 2.25 | / | 3/4 | 20 | 3.88 | 99 | 2.75 | 69.9 | 1.69 | 43 | 0.41 | 10.5 | 0.62 | 16 | 4 | 1/2 | 2.50 | / | 1 | 25 | 4.25 | 108 | 3.12 | 79.2 | 2.00 | 51 | 0.44 | 1 1.5 | 0.62 | 16 | 4 | 1/2 | 2.50 | 3.00 | 11/4 | 32 | 4.62 | 117 | 3.50 | 88.9 | 2.50 | 64 | 0.50 | 13.0 | 0.62 | 16 | 4 | 1/2 | 2-75 | 3.25 | 11/2 | 40 | 5.00 | 127 | 3.88 | 98.6 | 2.88 | 73 | 0.56 | 14.5 | 0.62 | 16 | 4 | 1/2 | 2-75 | 3.25 | 2 | 50 | 6.00 | 150 | 4.57 | 120.5 | 3.62 | 92 | 0.75 | 19.5 | 0.75 | 18 | 4 | 5/8 | 3.25 | 3.75 | 21/2 | 65 | 7.00 | 180 | 5.50 | 139.5 | 4.12 | 105 | 0.88 | 22.5 | 0.75 | 18 | 4 | 5/8 | 3.50 | 4.00 | 3 | 80 | 7.50 | 190 | 6.00 | 152.5 | 5.00 | 127 | 0.94 | 24 | 0.75 | 18 | 4 | 5/8 | 3.50 | 4.00 | 4 | 100 | 9.00 | 230 | 7.50 | 190.5 | 6.19 | 157.5 | 0.94 | 24 | 0.75 | 18 | 8 | 5/8 | 3.50 | 4.OO | 6 | 150 | 11.00 | 280 | 9.50 | 241.5 | 8.50 | 21.6 | 1.00 | 25.5 | 0.88 | 22 | 8 | 3/4 | 4.00 | 4.50 | 8 | 200 | 13.50 | 345 | 11.75 | 298.5 | 10.62 | 270 | 1.12 | 29 | 0.88 | 22 | 8 | 3/4 | 4.25 | 4.75 | 10 | 250 | 16.00 | 405 | 14.25 | 362 | 12.75 | 324 | 1.19 | 30.5 | 1.00 | 26 | 12 | 7/8 | 4.50 | 5.00 | 12 | 300 | 19 00 | 485 | 17.00 | 432 | 15.00 | 381 | 1.25 | 32 | 1.00 | 26 | 12 | 7/8 | 4.75 | 5.25 | 14 | 350 | 21.00 | 535 | 18.75 | 476 | 16.25 | 41.3 | 1.38 | 35 | 1.12 | 29.5 | 12 | 1 | 5.25 | 5.75 | 16 | 400 | 23.50 | 600 | 21.25 | 540 | 18.50 | 470 | 1.44 | 37 | 1.12 | 29.5 | 16 | 1 | 5.25 | 5.75 | 18 | 450 | 25.00 | 635 | 22.75 | 578 | 21.00 | 533.5 | 1.56 | 40 | 1.25 | 32.5 | 16 | 11/8 | 5.75 | 6.25 | 20 | 500 | 27.50 | 700 | 25.00 | 635 | 23.00 | 584 | 1.69 | 43 | 1.25 | 32.5 | 20 | 11/8 | 6.25 | 6.75 | 24 | 600 | 32.00 | 815 | 29.50 | 749.5 | 27.25 | 692 | 1.88 | 48 | 1.38 | 35.5 | 20 | 11/4 | 6.75 | 7.25 | ·法兰连接尺寸 300Lb | NPS | DN | D | D1 | D2 | b | φ | n-z | 螺栓长度 | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | inch | Num | inch | RF | R&G | 1/2 | 15 | 3.75 | 95 | 2.62 | 67 | 1.38 | 35 | 0.56 | 14 | 0.62 | 16 | 4 | 1/2 | 2.50 | 3.00 | 3/4 | 20 | 4.62 | 117 | 3.25 | 83 | 1.69 | 43 | O.62 | 16 | 0.75 | 19 | 4 | 5/8 | 3.00 | 3.50 | 1 | 25 | 4.88 | 124 | 3.50 | 89 | 2.00 | 51 | O.69 | 18 | 0.75 | 19 | 4 | 5/8 | 3.00 | 3.50 | 11/4 | 32 | 5.25 | 133 | 3.88 | 99 | 2.50 | 64 | 0.75 | 19.5 | O.75 | 19 | 4 | 5/8 | 3.25 | 3.75 | 11/2 | 40 | 6.12 | 155 | 4.50 | 114 | 2.88 | 73 | 0.81 | 21 | 0.88 | 22 | 4 | 3/4 | 3.50 | 4.00 | 2 | 50 | 6.50 | 165 | 5.00 | 127 | 3.62 | 92 | 0.88 | 22.5 | 0.75 | 18 | 8 | 5/8 | 3.50 | 4.00 | 21/2 | 65 | 7.50 | 190 | 5.88 | 149 | 4.12 | 105 | 1.00 | 25.5 | 0.88 | 22 | 8 | 3/4 | 4.00 | 4.50 | 3 | 80 | 8.25 | 210 | 6.62 | 168.5 | 5.00 | 127 | 1.12 | 29 | 0.88 | 22 | 8 | 3/4 | 4.25 | 4.75 | 4 | 100 | 10.00 | 255 | 7.88 | 200 | 6.19 | 157.5 | 1.25 | 32 | 0.88 | 22 | 8 | 3/4 | 4.50 | 5.00 | 6 | 150 | 12.50 | 320 | 10.62 | 270 | 8.50 | 216 | 1.44 | 37 | 0.88 | 22 | 12 | 3/4 | 4.75 | 5.50 | 8 | 200 | 15.00 | 380 | 13.00 | 330 | 10.62 | 270 | 1.62 | 41.5 | 1.00 | 26 | 12 | 7/8 | 5.50 | 6.00 | 10 | 250 | 17.50 | 445 | 15125 | 387.5 | 12.75 | 324 | 1.88 | 48 | 1.12 | 29.5 | 16 | 1 | 6.25 | 6.75 | 12 | 300 | 20.50 | 520 | 17175 | 451 | 15.00 | 381 | 2.00 | 51 | 1.25 | 32.5 | 16 | 11/8 | 6.75 | 7.25 | 14 | 350 | 23.00 | 585 | 20.25 | 514.5 | 16.25 | 413 | 2.12 | 54 | 1.25 | 32.5 | 20 | 11/8 | 7.00 | 7.50 | 16 | 400 | 25.50 | 650 | 22.50 | 571.5 | 18.50 | 470 | 2.25 | 57.5 | 1.38 | 32.5 | 20 | 11/4 | 7.50 | 8.00 | 18 | 450 | 28.00 | 710 | 24175 | 628.5 | 21.00 | 533.5 | 2.38 | 60.5 | 1.38 | 32.5 | 24 | 11/4 | 7.75 | 8.25 | 20 | 500 | 30.50 | 775 | 27.00 | 686 | 23.00 | 584 | 2.50 | 63.5 | 1.38 | 32.5 | 24 | 11/4 | 8.00 | 8.75 | 24 | 600 | 36.00 | 915 | 32.00 | 813 | 27.25 | 692 | 2.75 | 70 | 1.62 | 42 | 24 | 11/2 | 9.00 | 10.0 | 26 | 650 | 38.25 | 972 | 34.50 | 876 | 29.50 | 749 | 3.12 | 79.5 | 1.75 | 44.5 | 28 | 15/8 | 9.25 | 10.25 | 28 | 700 | 40.75 | 1035 | 37.00 | 940 | 31.50 | 800 | 3.38 | 86 | 1.75 | 44.5 | 28 | 15/8 | 9.25 | 10.25 | 30 | 750 | 43.00 | 1092 | 39.25 | 997 | 33.75 | 857 | 3.62 | 92 | 1.88 | 48 | 28 | 13/4 | 9.25 | 10.25 | 32 | 800 | 45.25 | 1150 | 41.50 | 1054 | 36.00 | 915 | 3.88 | 98 5 | 2.00 | 51 | 28 | 17/8 | 10.75 | 11.75 | 34 | 850 | 47.50 | 1207 | 43.50 | 1105 | 38.00 | 965 | 4.OO | 102 | 2.00 | 51 | 28 | 17/8 | 10.75 | 11.75 | 36 | 900 | 50.00 | 1270 | 46.00 | 1169 | 40.25 | 1022 | 4.12 | 105 | 2.12 | 54 | 32 | 2 | 10.75 | 12.00 | 40 | 1000 | 50.12 | 1273 | 46.88 | 1191 | 43.88 | 1115 | 4.56 | 116 | 15/8 | 41 | 40 | 175 | 11.75 | 13.00 | 42 | 1050 | 52.50 | 1334 | 49.00 | 1245 | 46.00 | 1168 | 4.69 | 119 | 13/4 | 45 | 36 | 36 | 12.25 | 13.50 | Note: 1、NPS 24″ 和小于ANSI B16.5,NPS 26 和大于MSS MSS SP-44 2、Class 600 和 Class 900 法兰包含0.25 凸面的zui低厚低. · 法兰连接尺寸 Class 600Lb NPS | DN | D | D1 | D2 | b | φ-d | n-z | 螺栓长度 | inch | mm | incn | mm | inch | mm | inch | mm | inch | mm | inch | mm | Num | Diam. | RF | R&G | 1/2 | 15 | 3.75 | 95 | 2.63 | 66.5 | 1.38 | 35 | 0.57 | 15 | 0.63 | 15 | 4 | 1/2 | 0125 | 6.4 | 3/4 | 20 | 4.63 | 118 | 3.25 | 82.5 | 1.69 | 43 | 0.63 | 16 | 0.75 | 19 | 4 | 5/8 | O.25 | 6.4 | 1 | 25 | 4.88 | 124 | 3.5 | 89 | 2 | 51 | 0.69 | 18 | 0.75 | 19 | 4 | 5/8 | O.25 | 6.4 | 11/2 | 40 | 6.13 | 156 | 4.5 | 114.5 | 2.88 | 73 | 0.88 | 23 | 0.88 | 22 | 4 | 3/4 | O.25 | 6.4 | 2 | 50 | 6.50 | 165 | 5.00 | 127 | 3.62 | 92 | 1.00 | 25.5 | 0.75 | 18 | 8 | 5/8 | 4.25 | 4.25 | 21/2 | 65 | 7.50 | 190 | 5.88 | 149 | 4.12 | 105 | 1.12 | 29 | 0.88 | 22 | 8 | 3/4 | 4175 | 4.75 | 3 | 80 | 8.25 | 210 | 6.62 | 168.5 | 5.00 | 127 | 1.25 | 32 | 0.88 | 22 | 8 | 3/4 | 5.00 | 5.00 | 4 | 100 | 10.75 | 275 | 8.50 | 216 | 6.19 | 157.5 | 1.50 | 38.5 | 1.00 | 26 | 8 | 7/8 | 5175 | 5.75 | 6 | 150 | 14.00 | 355 | 11.50 | 292 | 8.50 | 216 | 1.88 | 48 | 1.12 | 29.5 | 12 | 1 | 6175 | 6.75 | 8 | 200 | 16.50 | 420 | 13.75 | 349 | 10.62 | 270 | 2.19 | 55.5 | 1.25 | 32.5 | 12 | 11/8 | 7.50 | 7.75 | 10 | 250 | 20.00 | 510 | 17.00 | 432 | 12175 | 324 | 2.50 | 63.5 | 1.38 | 35.5 | 16 | 11/4 | 8.50 | 8.50 | 12 | 300 | 22.00 | 560 | 19.25 | 489 | 15.00 | 381 | 2.62 | 67 | 1.38 | 35.5 | 20 | 11/4 | 8-75 | 8.75 | 14 | 350 | 23.75 | 605 | 20.75 | 527 | 16.25 | 413 | 2.75 | 70 | 1.50 | 39 | 20 | 13/8 | 9-25 | 9.25 | 16 | 400 | 27.00 | 685 | 23.75 | 603 | 18.50 | 470 | 3.00 | 76.5 | 1.62 | 42 | 20 | 11/2 | 1O.0 | 10.0 | 18 | 450 | 29.25 | 745 | 25.75 | 654 | 21.00 | 533.5 | 3.25 | 83 | 1.75 | 45 | 20 | 15/8 | 11.O | 11.0 | 20 | 500 | 32.00 | 815 | 28.50 | 724 | 23.00 | 584 | 3.50 | 89 | 1.75 | 45 | 24 | 15/8 | 11.5 | 11.5 | 24 | 600 | 37.00 | 940 | 33.00 | 838 | 27.25 | 692 | 4.00 | 102 | 2.00 | 51 | 24 | 17/8 | 13.0 | 13.5 | · 法兰连接尺寸Class 900Lb | DN | D | D1 | D2 | b | φ-d | n-z | 螺栓长度 | inch | mm | inch | mm | incn | mm | inch | mm | inch | mm | inch | mm | Num | inch | RF | R&G | 2 | 50 | 8 50 | 215 | 6.50 | 165 | 3.62 | 92 | 1.50 | 38.5 | 1.OO | 26 | 8 | 118 | 5.75 | 5.75 | 21/2 | 65 | 9.62 | 245 | 7.50 | 190.5 | 4.12 | 105 | 1.62 | 41.5 | 1.12 | 29.5 | 8 | 1 | 6.25 | 6.25 | 3 | 80 | 9.50 | 240 | 7.50 | 190.5 | 5.00 | 127 | 1.50 | 38.5 | 1.OO | 26 | 8 | 7/8 | 5.75 | 5.75 | 4 | 100 | 11.50 | 290 | 9.25 | 235 | 6.19 | 157.5 | 1.75 | 44.5 | 1.25 | 32.5 | 8 | 11/8 | 6.75 | 6 75 | 6 | 150 | 15 50 | 380 | 12.50 | 31705 | 8.50 | 216 | 2.19 | 56 | 1.25 | 32.5 | 12 | 11/8 | 7.50 | 7.50 | 8 | 200 | 18.50 | 470 | 15.50 | 393.5 | 10.62 | 270 | 2.50 | 63.5 | 1.50 | 39 | 12 | 13/8 | 8.75 | 8.75 | 1O | 250 | 21.50 | 545 | 18.50 | 470 | 12.75 | 324 | 2.75 | 70 | 1.50 | 39 | 16 | 13/8 | 9.25 | 9.25 | 12 | 300 | 24.00 | 610 | 21.00 | 533.5 | 15.00 | 381 | 3.12 | 79.5 | 1.50 | 39 | 20 | 13/8 | 10.0 | 10.0 | 14 | 350 | 25.25 | 640 | 22.00 | 559 | 16.25 | 413 | 3.38 | 86 | 1.62 | 42 | 20 | 11/2 | 11.0 | 11.O | 16 | 400 | 27.75 | 705 | 24125 | 616 | 18.50 | 470 | 3.50 | 89 | 1.75 | 45 | 20 | 15/8 | 11.5 | 11.5 | 18 | 450 | 31.00 | 785 | 27.00 | 686 | 21.00 | 533.5 | 4.00 | 102 | 2.00 | 51 | 20 | 17/8 | 13.0 | 13.5 | 20 | 500 | 33.75 | 855 | 29.50 | 749.5 | 23.00 | 584 | 4.25 | 108 | 2.12 | 55 | 20 | 2 | 14.0 | 14.5 | 24 | 600 | 41.OO | 1040 | 35.50 | 901.5 | 27.25 | 692 | 5.50 | 140 | 2.62 | 68 | 20 | 11/2 | 17.5 | 18.0 | Note: 1、NPS 24″ 和小于ANSI B16.5,NPS 26 和大于MSS MSS SP-44 2、Class 1500 和 Class 2500 凸面的zui低厚度0.25 凸面的zui低厚度. · 法兰连接尺寸 1500Lb | 尺寸规格 | 环数 | P | E | F | K | N | L1 | NPS | DN | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | 1 | 25 | R16 | 2.000 | 50.80 | 0.250 | 6.35 | 0.344 | 8.74 | 2.81 | 71 | 0.16 | 4 | 5.00 | 127 | 11/4 | 32 | R18 | 2.375 | 60.33 | 0.250 | 6.35 | 0.344 | 8.74 | 3.19 | 81 | 0.16 | 4 | 5.00 | 127 | 11/2 | 40 | R20 | 2.688 | 68.28 | 0.250 | 6.35 | 0.344 | 8.74 | 3.62 | 92 | 0.16 | 4 | 5.50 | 140 | 2 | 50 | R24 | 3.750 | 95.25 | 0.312 | 7.92 | 0.496 | 11.91 | 4.88 | 124 | 0.12 | 3 | 5.75 | 146 | 21/2 | 65 | R29 | 4.250 | 107.95 | 0.312 | 7.92 | 0.496 | 11.91 | 5.38 | 137 | 0.12 | 3 | 6.25 | 159 | 3 | 80 | R35 | 5.375 | 136.53 | 0.312 | 7.92 | 0.496 | 11.91 | 6.62 | 168 | 0.12 | 3 | 7.00 | 178 | 4 | 100 | R39 | 6.375 | 161.93 | 0.312 | 7.92 | 0.496 | 11.91 | 7.62 | 194 | 0.12 | 3 | 7.75 | 197 | 5 | 125 | R44 | 7.625 | 193.68 | 0.312 | 7.92 | 0.496 | 11.91 | 9.00 | 229 | 0.12 | 3 | 9.75 | 248 | 6 | 150 | R46 | 8.312 | 211.12 | 0.375 | 9.53 | 0.531 | 13.94 | 9.75 | 248 | 0.12 | 3 | 10.50 | 267 | 8 | 200 | R50 | 10.625 | 269.88 | 0.438 | 11.13 | 0.6356 | 16.66 | 12.50 | 318 | 0.16 | 4 | 12.75 | 324 | 10 | 250 | R54 | 121750 | 323.85 | 0.438 | 11.13 | 0.656 | 16.66 | 14.62 | 371 | 0.16 | 4 | 13.50 | 343 | 12 | 300 | R58 | 15.000 | 381.00 | 0.562 | 14.27 | 0.906 | 23.01 | 17.25 | 438 | 0.19 | 5 | 15.25 | 387 | 14 | 350 | R63 | 16.500 | 419.10 | 0.625 | 15.88 | 1.062 | 26.97 | 19.25 | 489 | 0.22 | 6 | 16.75 | 425 | 16 | 400 | R67 | 18.500 | 469.90 | 0.688 | 17.48 | 1.188 | 30.18 | 21.50 | 546 | 0.31 | 8 | 18.50 | 470 | 18 | 450 | R71 | 21.000 | 533.40 | 0.688 | 17.48 | 1.188 | 30.18 | 24.12 | 613 | 0.31 | 8 | 20.75 | 527 | 20 | 500 | R75 | 23.000 | 584120 | 0.688 | 17.48 | 1.312 | 33.32 | 26.50 | 673 | 0.38 | 10 | 22.25 | 565 | 24 | 600 | R79 | 27.250 | 692.15 | 0.812 | 20.62 | 1.438 | 36.53 | 31.25 | 794 | 0.44 | 11 | 25.50 | 648 | 2500Lb | 1 | 25 | R18 | 2.375 | 60.33 | 0.250 | 6.35 | 0.344 | 8.74 | 3.25 | 83 | 0.16 | 4 | 5.50 | 140 | 11/4 | 32 | R21 | 2.844 | 72.24 | 0.312 | 7.92 | 0.469 | 11.94 | 4.00 | 102 | 0.12 | 3 | 6.00 | 152 | 11/2 | 40 | R23 | 3.250 | 82.55 | 0.312 | 7.92 | 0.469 | 11.94 | 4.50 | 114 | 0.12 | 3 | 6.75 | 171 | 2 | 50 | R26 | 4.000 | 101.60 | 0.312 | 7.92 | 0.469 | 11.94 | 5.25 | 133 | 0.12 | 3 | 7.00 | 178 | 21/2 | 65 | R28 | 4.375 | 111.13 | 0.375 | 9.53 | 0.531 | 19 49 | 5.88 | 149 | 0.12 | 3 | 8.00 | 203 | 3 | 80 | R32 | 5.000 | 127.00 | 0.375 | 9.53 | 0.531 | 13.49 | 6.62 | 168 | 0.12 | 3 | 9.00 | 229 | 4 | 100 | R38 | 6.188 | 157.18 | 0.438 | 11.13 | 0.656 | 16.66 | 8.00 | 203 | 0.16 | 4 | 10.25 | 260 | 5 | 125 | R42 | 7.500 | 190.50 | 0 500 | 12.70 | 0.781 | 19.84 | 9.50 | 241 | 0.16 | 4 | 12.25 | 311 | 6 | 150 | R47 | 9.000 | 228.60 | 0.500 | 12.70 | 0.781 | 19.84 | 11.00 | 279 | 0.16 | 4 | 14.00 | 356 | 8 | 200 | R51 | 11.000 | 279 40 | 0.562 | 14.27 | 0.906 | 23.01 | 13.38 | 340 | 0.19 | 5 | 15.50 | 394 | 10 | 250 | R55 | 13.500 | 342.90 | 0.688 | 17.48 | 1.188 | 30.18 | 16.75 | 425 | 0.25 | 6 | 20.00 | 508 | 12 | 300 | R60 | 13.000 | 406.40 | 0.688 | 17.48 | 1.312 | 33.32 | 19.50 | 495 | 0.31 | 8 | 22.00 | 559 | |