李金城 
H76H凸耳对夹式止回阀主要尺寸及重量
| 压力级 Pressure rating | 口径 DN | 尺寸（mm） Dimension | 重量 （kg） Weight | 配管法兰（供参考） Flange（as referenced） | |||||||||||||||
| NPS | DN | L | D1 | D2 | D3 | D4 | P | 螺孔 数量 Quantity of the bolt | 螺孔直径d1 Diameter of the bolt | n | 螺栓 数量 Quantity of the bolt | 螺栓直径d Diameter of the bolt | 螺栓长度L1 Length of the bolt | ||||||
| RF | RJ | in | mm | in | mm | RF | RJ | ||||||||||||
| Class 150 PN2.0MPa | 2 | 50 | 60 | 120.5 | 92 | 102 | 51 | 56 | 82.55 | 4 | 3/4 | 19 | 1.6 | 4 | 4 | 5/8 | M16 | 140 | 155 |
| 2 1/2 | 65 | 67 | 139.5 | 105 | 121 | 65 | 73 | 101.6 | 4 | 3/4 | 19 | 1.6 | 5.5 | 4 | 5/8 | M16 | 150 | 165 | |
| 3 | 80 | 73 | 152.5 | 127 | 133 | 80 | 88 | 114.3 | 4 | 3/4 | 19 | 1.6 | 7 | 4 | 5/8 | M16 | 160 | 175 | |
| 4 | 100 | 73 | 190.5 | 157 | 171 | 102 | 108 | 149.225 | 8 | 3/4 | 19 | 1.6 | 11 | 8 | 5/8 | M16 | 170 | 185 | |
| 5 | 125 | 86 | 216 | 186 | 194 | 127 | 132 | 171.45 | 8 | 7/8 | 22 | 1.6 | 15 | 8 | 3/4 | M20 | 190 | 205 | |
| 6 | 150 | 98 | 241.5 | 216 | 219 | 152 | 160 | 193.675 | 8 | 7/8 | 22 | 1.6 | 19 | 8 | 3/4 | M20 | 205 | 220 | |
| 8 | 200 | 127 | 298.5 | 270 | 273 | 203 | 210 | 247.65 | 8 | 7/8 | 22 | 1.6 | 36 | 8 | 3/4 | M20 | 240 | 255 | |
| 10 | 250 | 146 | 362 | 324 | 330 | 254 | 266 | 304.801 | 12 | 1 | 25 | 1.6 | 61 | 12 | 7/8 | M24 | 270 | 285 | |
| 12 | 300 | 181 | 432 | 381 | 406 | 305 | 310 | 381.001 | 12 | 1 | 25 | 1.6 | 119 | 12 | 7/8 | M24 | 310 | 325 | |
| 14 | 350 | 184 | 476 | 413 | 425 | 350 | 355 | 396.876 | 12 | 1 1/8 | 29 | 1.6 | 131 | 12 | 1 | M27 | 325 | 340 | |
| 16 | 400 | 191 | 540 | 470 | 483 | 400 | 405 | 454.026 | 16 | 1 1/8 | 29 | 1.6 | 180 | 16 | 1 | M27 | 340 | 355 | |
| 18 | 450 | 203 | 578 | 533 | 546 | 450 | 455 | 517.526 | 16 | 1 1/4 | 32 | 1.6 | 203 | 16 | 1 1/8 | M30 | 365 | 380 | |
| 20 | 500 | 219 | 638 | 584 | 597 | 500 | 505 | 558.801 | 20 | 1 1/4 | 32 | 1.6 | 275 | 20 | 1 1/8 | M30 | 385 | 400 | |
| 24 | 600 | 222 | 749.5 | 692 | 711 | 600 | 605 | 673.101 | 20 | 1 1/4 | 35 | 1.6 | 314 | 20 | 1 1/4 | M33 | 405 | 420 | |
| 28 | 700 | 305 | 795.5 | 762 | - | 700 | 700 | - | 40 | 7/8 | 22 | 1.6 | 910 | 40 | 3/4 | M20 | 455 | - | |
| 30 | 750 | 305 | 846 | 813 | - | 746 | 750 | - | 44 | 7/8 | 22 | 1.6 | 1025 | 44 | 3/4 | M20 | 455 | - | |
| 32 | 800 | 305 | 900 | 864 | - | 796 | 800 | - | 48 | 7/8 | 22 | 1.6 | 1344 | 48 | 3/4 | M20 | 460 | - | |
| 36 | 900 | 368 | 1009.5 | 972 | - | 898 | 910 | - | 44 | 1 | 25 | 1.6 | 1536 | 44 | 7/8 | M24 | 540 | - | |
| 42 | 1050 | 432 | 1171.5 | 1130 | - | 1050 | 1055 | - | 48 | 1 1/8 | 29 | 1.6 | 2310 | 48 | 1 | M27 | 625 | - | |
| 48 | 1200 | 524 | 1335 | 1289 | - | 1200 | 1205 | - | 44 | 1 1/4 | 32 | 1.6 | 3364 | 44 | 1 1/8 | M30 | 740 | - | |
