HG/T 20615-2009 钢制管法兰(Class系列) Class900 Class1500 Class2500 1、HG/T 20615-2009 钢制管法兰(Class系列)--表8.2.4-4 Class900(PN150)整体钢制管法兰(mm) 公称尺寸 | 连接尺寸 | 法兰厚度C | 法兰颈大端N | 颈部最小壁厚S | 法兰内径B | DN | NPS | 法兰外径D | 螺栓孔中心圆直径 K | 螺栓孔直径L | 螺栓Th | 螺栓孔 数量n(个) | 15 | 1/2 | 120 | 82.6 | 22 | M20 | 4 | 22.3 | 38 | 4.1 | 13 | 20 | 3/4 | 130 | 88.9 | 22 | M20 | 4 | 25.4 | 44 | 4.8 | 17 | 25 | 1 | 150 | 101.6 | 26 | M24 | 4 | 28.6 | 52 | 5.6 | 22 | 32 | 1 1/4 | 160 | 111.1 | 26 | M24 | 4 | 28.6 | 64 | 6.4 | 28 | 40 | 1 1/2 | 180 | 123.8 | 30 | M27 | 4 | 31.8 | 70 | 7.1 | 35 | 50 | 2 | 215 | 165.1 | 26 | M24 | 8 | 38.1 | 105 | 7.9 | 48 | 65 | 2 1/2 | 245 | 190.5 | 30 | M27 | 8 | 41.3 | 124 | 8.6 | 57 | 80 | 3 | 240 | 190.5 | 26 | M24 | 8 | 38.1 | 127 | 10.4 | 73 | 100 | 4 | 290 | 235.0 | 33 | M30 | 8 | 44.5 | 159 | 12.7 | 98 | 125 | 5 | 350 | 279.4 | 36 | M33 | 8 | 50.8 | 190 | 15.0 | 121 | 150 | 6 | 380 | 317.5 | 33 | M30 | 12 | 55.6 | 235 | 18.3 | 146 | 200 | 8 | 470 | 393.7 | 39 | M36X3 | 12 | 63.5 | 298 | 22.4 | 191 | 250 | 10 | 545 | 469.9 | 39 | M36X3 | 16 | 69.9 | 368 | 26.9 | 238 | 300 | 12 | 610 | 533.4 | 39 | M36X3 | 20 | 79.4 | 419 | 31.8 | 282 | 350 | 14 | 640 | 558.8 | 42 | M39X3 | 20 | 85.8 | 451 | 35.1 | 311 | 400 | 16 | 705 | 616.0 | 45 | M42X3 | 20 | 88.9 | 508 | 39.6 | 356 | 450 | 18 | 785 | 685.8 | 51 | M48X3 | 20 | 101.6 | 565 | 44.5 | 400 | 500 | 20 | 855 | 749.3 | 55 | M52X3 | 20 | 108.0 | 622 | 48.5 | 445 | 600 | 24 | 1040 | 901.7 | 68 | M64X3 | 20 | 139.7 | 749 | 57.9 | 533 |
2、HG/T 20615-2009 钢制管法兰(Class系列)--表8.2.4-5 Class1500(PN260)整体钢制管法兰(mm) 公称尺寸 | 连接尺寸 | 法兰厚度C | 法兰颈大端N | 颈部最小壁厚S | 法兰内径B | DN | NPS | 法兰外径D | 螺栓孔中心圆直径 K | 螺栓孔直径L | 螺栓Th | 螺栓孔 数量n(个) | 15 | 1/2 | 120 | 82.6 | 22 | M20 | 4 | 22.3 | 38 | 4.8 | 13 | 20 | 3/4 | 130 | 88.9 | 22 | M20 | 4 | 25.4 | 44 | 5.8 | 17 | 25 | 1 | 150 | 101.6 | 26 | M24 | 4 | 28.6 | 52 | 6.6 | 22 | 32 | 1 1/4 | 160 | 111.1 | 26 | M24 | 4 | 28.6 | 64 | 7.9 | 28 | 40 | 1 1/2 | 180 | 123.8 | 30 | M27 | 4 | 31.8 | 70 | 9.7 | 35 | 50 | 2 | 215 | 165.1 | 26 | M24 | 8 | 38.1 | 105 | 11.2 | 48 | 65 | 2 1/2 | 245 | 190.5 | 30 | M27 | 8 | 41.3 | 124 | 12.7 | 57 | 80 | 3 | 265 | 203.2 | 33 | M30 | 8 | 47.7 | 133 | 15.7 | 70 | 100 | 4 | 310 | 241.3 | 36 | M33 | 8 | 54.0 | 162 | 19.1 | 92 | 125 | 5 | 375 | 292.1 | 42 | M39X3 | 8 | 73.1 | 197 | 23.1 | 111 | 150 | 6 | 395 | 317.5 | 39 | M36X3 | 12 | 82.6 | 229 | 27.7 | 136 | 200 | 8 | 485 | 393.7 | 45 | M42X3 | 12 | 92.1 | 292 | 35.8 | 178 | 250 | 10 | 585 | 482.6 | 51 | M48X3 | 12 | 108.0 | 368 | 43.7 | 222 | 300 | 12 | 675 | 571.5 | 55 | M52X3 | 16 | 123.9 | 451 | 50.8 | 264 | 350 | 14 | 750 | 635.0 | 60 | M56X3 | 16 | 133.4 | 495 | 55.6 | 289 | 400 | 16 | 825 | 704.8 | 68 | M64X3 | 16 | 146.1 | 552 | 63.5 | 330 | 450 | 18 | 915 | 774.7 | 74 | M70X3 | 16 | 162.0 | 597 | 71.4 | 371 | 500 | 20 | 985 | 831.8 | 80 | M76X3 | 16 | 177.8 | 641 | 79.2 | 416 | 600 | 24 | 1170 | 990.6 | 94 | M90X3 | 16 | 203.2 | 762 | 94.5 | 498 |
3、HG/T 20615-2009 钢制管法兰(Class系列)--表8.2.4-6 Class2500(PN420)整体钢制管法兰(mm) 公称尺寸 | 连接尺寸 | 法兰厚度C | 法兰颈大端N | 颈部最小壁厚S | 法兰内径B | DN | NPS | 法兰外径D | 螺栓孔中心圆直径 K | 螺栓孔直径L | 螺栓Th | 螺栓孔 数量n(个) | 15 | 1/2 | 135 | 88.9 | 22 | M20 | 4 | 30.2 | 43 | 6.4 | 11 | 20 | 3/4 | 140 | 95.2 | 22 | M20 | 4 | 31.8 | 51 | 7.1 | 14 | 25 | 1 | 160 | 108.0 | 26 | M24 | 4 | 35.0 | 57 | 8.6 | 19 | 32 | 1 1/4 | 185 | 130.2 | 30 | M27 | 4 | 38.1 | 73 | 11.2 | 25 | 40 | 1 1/2 | 205 | 146.0 | 33 | M30 | 4 | 44.5 | 79 | 12.7 | 28 | 50 | 2 | 235 | 171.4 | 30 | M27 | 8 | 50.9 | 95 | 15.7 | 38 | 65 | 2 1/2 | 265 | 196.8 | 33 | M30 | 8 | 57.2 | 114 | 19.1 | 47 | 80 | 3 | 305 | 228.6 | 36 | M33 | 8 | 66.7 | 133 | 22.4 | 57 | 100 | 4 | 355 | 273.0 | 42 | M39X3 | 8 | 76.2 | 165 | 27.7 | 73 | 125 | 5 | 420 | 323.8 | 48 | M45X3 | 8 | 92.1 | 203 | 34.0 | 92 | 150 | 6 | 485 | 368.3 | 55 | M52X3 | 8 | 108.0 | 235 | 40.4 | 111 | 200 | 8 | 550 | 438.2 | 55 | M52X3 | 12 | 127.0 | 305 | 52.3 | 146 | 250 | 10 | 675 | 539.8 | 68 | M64X3 | 12 | 165.1 | 375 | 65.8 | 184 | 300 | 12 | 760 | 619.1 | 74 | M70X3 | 12 | 184.2 | 441 | 77.0 | 219 |
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