带颈平焊钢制法兰〔欧洲体系〕PN0.6MPa ,HG/T20592-2021 | ||||||||||
(例题,表注符号:SO250(B)—0.6RF,材质Q245,标准:HG/T20592-2021) | ||||||||||
公称直径(DN) | 钢管外径 | 连接尺寸 | 法兰厚度(C) | 法兰高度〔H〕 | 理论重量〔kg〕 | |||||
A系列 | B系列 | 法兰外径〔D〕 | 螺栓孔中心圆直径〔K〕 | 螺栓孔直径〔D1〕 | 螺栓孔数量〔n〕 | 螺栓长度〔TH〕 | ||||
10 | 14 | 75 | 50 | 11 | 4 | M10×50 | 12 | 20 | ||
15 | 18 | 80 | 55 | 11 | 4 | M10×50 | 12 | 20 | ||
20 | 25 | 90 | 65 | 11 | 4 | M10×50 | 14 | 24 | ||
25 | 32 | 100 | 75 | 11 | 4 | M10×50 | 14 | 24 | ||
32 | 38 | 120 | 90 | 14 | 4 | M12×55 | 16 | 26 | ||
40 | 45 | 130 | 100 | 14 | 4 | M12×55 | 16 | 26 | ||
50 | 57 | 140 | 110 | 14 | 4 | M12×55 | 16 | 28 | ||
65 | 76.1(73) | 76 | 160 | 130 | 14 | 4 | M12×55 | 16 | 32 | |
80 | 190 | 150 | 18 | 4 | M16×65 | 18 | 34 | |||
100 | 108 | 210 | 170 | 18 | 4 | M16×65 | 18 | 40 | ||
125 | 133 | 240 | 200 | 18 | 8 | M16×65 | 18 | 44 | ||
150 | 159 | 265 | 225 | 18 | 8 | M16×70 | 20 | 44 | ||
200 | 219 | 320 | 280 | 18 | 8 | M16×75 | 22 | 44 | ||
250 | 273 | 273 | 375 | 335 | 18 | 12 | M16×80 | 24 | 44 | |
300 | 325 | 440 | 395 | 22 | 12 | M20×85 | 24 | 44 | ||
公称直径DN | 钢管外径 | 连接尺寸 | 法兰厚度C | 法兰高度〔H〕 | 理论重量〔kg〕 | |||||
A系列 | B系列 | 法兰外径〔D〕 | 螺栓孔中心圆直径〔K〕 | 螺栓孔直径〔D1〕 | 螺栓孔数量〔n〕 | 螺栓长度〔TH〕 | ||||
10 | 14 | 90 | 60 | 14 | 4 | M12×55 | 14 | 22 | ||
15 | 18 | 95 | 65 | 14 | 4 | M12×55 | 14 | 22 | ||
20 | 25 | 105 | 75 | 14 | 4 | M12×60 | 16 | 26 | ||
25 | 32 | 115 | 85 | 14 | 4 | M12×60 | 16 | 28 | ||
32 | 38 | 140 | 100 | 18 | 4 | M16×65 | 18 | 30 | ||
40 | 45 | 150 | 110 | 18 | 4 | M16×65 | 18 | 32 | ||
50 | 57 | 165 | 125 | 18 | 4 | M16×70 | 20 | 32 | ||
65 | 76.1(73) | 76 | 185 | 145 | 18 | 4 | M16×70 | 20 | 34 | |
80 | 200 | 160 | 18 | 8 | M16×70 | 20 | 34 | |||
100 | 108 | 220 | 180 | 18 | 8 | M16×75 | 22 | 40 | ||
125 | 133 | 250 | 210 | 18 | 8 | M20×80 | 22 | 44 | ||
150 | 159 | 285 | 240 | 22 | 8 | M20×85 | 24 | 44 | ||
200 | 219 | 340 | 295 | 22 | 8 | M20×85 | 24 | 44 | ||
250 | 273 | 273 | 395 | 350 | 22 | 12 | M20×85 | 26 | 46 | |
300 | 325 | 445 | 400 | 22 | 12 | M20×85 | 26 | 46 | ||
350 | 377 | 505 | 460 | 22 | 16 | M20×85 | 26 | 53 | ||
400 | 426 | 515 | 515 | 26 | 16 | M24×90 | 26 | 57 | ||
450 | 480 | 565 | 565 | 26 | 20 | M24×95 | 28 | 63 |
500 | 508 | 530 | 620 | 620 | 26 | 20 | M24×95 | 28 | 67 | |
600 | 610 | 630 | 725 | 725 | 30 | 20 | M27×100 | 28 | 75 | |
公称直径DN | 钢管外径 | 连接尺寸 | 法兰厚度C | 法兰高度〔H〕 | 理论重量〔kg〕 | |||||
A系列 | B系列 | 法兰外径〔D〕 | 螺栓孔中心圆直径〔K〕 | 螺栓孔直径〔D1〕 | 螺栓孔数量〔n〕 | 螺栓长度〔TH〕 | ||||
10 | 14 | 90 | 60 | 14 | 4 | M12×55 | 14 | 22 | ||
15 | 18 | 95 | 65 | 14 | 4 | M12×55 | 14 | 22 | ||
20 | 25 | 105 | 75 | 14 | 4 | M12×60 | 16 | 26 | ||
25 | 32 | 115 | 85 | 14 | 4 | M12×60 | 16 | 28 | ||
32 | 38 | 140 | 100 | 18 | 4 | M16×65 | 18 | 30 | ||
40 | 45 | 150 | 110 | 18 | 4 | M16×65 | 18 | 32 | ||
50 | 57 | 165 | 125 | 18 | 4 | M16×70 | 20 | 34 | ||
65 | 76.1(73) | 76 | 185 | 145 | 18 | 4 | M16×70 | 20 | 32 | |
80 | 200 | 160 | 18 | 8 | M16×70 | 20 | 34 | |||
100 | 108 | 220 | 180 | 18 | 8 | M16×75 | 22 | 40 | ||
125 | 133 | 250 | 210 | 18 | 8 | M16×75 | 22 | 44 | ||
150 | 159 | 285 | 240 | 22 | 8 | M20×85 | 24 | 44 | ||
200 | 219 | 340 | 295 | 22 | 12 | M20×85 | 24 | 44 | ||
250 | 273 | 273 | 405 | 355 | 26 | 12 | M24×90 | 26 | 46 | |
300 | 325 | 460 | 410 | 26 | 12 | M24×95 | 28 | 53 |
350 | 377 | 520 | 470 | 26 | 16 | M24×100 | 30 | 57 | ||
400 | 426 | 580 | 525 | 30 | 16 | M27×105 | 32 | 63 | ||
450 | 480 | 0 | 585 | 30 | 20 | M27×110 | 34 | 68 | ||
500 | 508 | 530 | 715 | 650 | 33 | 20 | M30×115 | 34 | 73 | |
600 | 610 | 630 | 840 | 770 | 36 | 20 | M33×125 | 36 | 83 | 77 |
公称直径DN | 钢管外径 | 连接尺寸 | 法兰厚度C | 法兰高度〔H〕 | 理论重量〔kg〕 | |||||
A系列 | B系列 | 法兰外径〔D〕 | 螺栓孔中心圆直径〔K〕 | 螺栓孔直径〔D1〕 | 螺栓孔数量〔n〕 | 螺栓长度〔TH〕 | ||||
10 | 14 | 90 | 60 | 14 | 4 | M12×55 | 14 | 22 | ||
15 | 18 | 95 | 65 | 14 | 4 | M12×55 | 14 | 22 | ||
20 | 25 | 105 | 75 | 14 | 4 | M12×60 | 16 | 26 | ||
25 | 32 | 115 | 85 | 14 | 4 | M12×60 | 16 | 28 | ||
32 | 38 | 140 | 100 | 18 | 4 | M16×65 | 18 | 30 | ||
40 | 45 | 150 | 110 | 18 | 4 | M16×65 | 18 | 32 | ||
50 | 57 | 165 | 125 | 18 | 4 | M16×70 | 20 | 34 | ||
65 | 76.1(73) | 76 | 185 | 145 | 18 | 8 | M16×70 | 22 | 38 | |
80 | 200 | 160 | 18 | 8 | M16×75 | 24 | 40 | |||
100 | 108 | 235 | 190 | 22 | 8 | M20×80 | 24 | 44 | ||
125 | 133 | 270 | 220 | 26 | 8 | M24×90 | 26 | 48 | ||
150 | 159 | 300 | 250 | 26 | 8 | M24×95 | 28 | 52 |
200 | 219 | 360 | 310 | 26 | 12 | M24×10 | 30 | 52 | ||
250 | 273 | 273 | 425 | 370 | 30 | 12 | M27×105 | 32 | 60 | |
300 | 325 | 485 | 430 | 30 | 16 | M27×110 | 34 | 67 | ||
350 | 377 | 555 | 490 | 33 | 16 | M30×120 | 38 | 72 | ||
400 | 426 | 620 | 550 | 36 | 16 | M33×130 | 40 | 78 | ||
450 | 480 | 670 | 600 | 36 | 20 | M33×130 | 42 | 84 | ||
500 | 508 | 530 | 730 | 660 | 36 | 20 | M33×135 | 44 | 90 | |
600 | 610 | 630 | 845 | 770 | 39 | 20 | M36×140 | 46 | 100 | |
公称直径DN | 钢管外径 | 连接尺寸 | 法兰厚度C | 法兰高度〔H〕 | 理论重量〔kg〕 | |||||
A系列 | B系列 | 法兰外径〔D〕 | 螺栓孔中心圆直径〔K〕 | 螺栓孔直径〔D1〕 | 螺栓孔数量〔n〕 | 螺栓长度〔TH〕 | ||||
10 | 14 | 90 | 60 | 14 | 4 | M12×55 | 14 | 22 | ||
15 | 18 | 95 | 65 | 14 | 4 | M12×55 | 14 | 22 | ||
20 | 25 | 105 | 75 | 14 | 4 | M12×60 | 16 | 26 | ||
25 | 32 | 115 | 85 | 14 | 4 | M12×60 | 16 | 28 | ||
32 | 38 | 140 | 100 | 18 | 4 | M16×65 | 18 | 30 | ||
40 | 45 | 150 | 110 | 18 | 4 | M16×65 | 18 | 32 | ||
50 | 57 | 165 | 125 | 18 | 4 | M16×70 | 20 | 34 | ||
65 | 76.1(73) | 76 | 185 | 145 | 18 | 8 | M16×70 | 22 | 38 | |
80 | 200 | 160 | 18 | 8 | M16×75 | 24 | 40 |
100 | 108 | 235 | 190 | 22 | 8 | M20×80 | 24 | 44 | ||
125 | 133 | 270 | 220 | 26 | 8 | M24×90 | 26 | 48 | ||
150 | 159 | 300 | 250 | 26 | 8 | M24×90 | 28 | 52 | ||
200 | 219 | 375 | 320 | 30 | 12 | M27×105 | 34 | 56 | ||
250 | 273 | 273 | 450 | 385 | 33 | 12 | M30×120 | 38 | ||
300 | 325 | 515 | 450 | 33 | 16 | M30×130 | 42 | 71 | ||
350 | 377 | 580 | 510 | 36 | 16 | M33×140 | 46 | 78 | ||
400 | 426 | 660 | 585 | 39 | 16 | M36×150 | 50 | 86 | ||
450 | 480 | 685 | 610 | 39 | 20 | M36×165 | 57 | 94 | ||
500 | 508 | 530 | 755 | 670 | 42 | 20 | M39×170 | 57 | 100 | |
600 | 610 | 630 | 0 | 795 | 48 | 20 | M45×205 | 72 | 106 | |
法兰表注方式:无缝管法兰SO100〔B〕 | ||||||||||
2021版规定采用B系列钢管法兰,应在公称尺寸后面DN的数值后面标记“B〞以示区别,A系列不必标识〔A系列俗称英制,B系列为公制〕。 |