上海莘瑞达阀门有限公司真诚欢迎海内外客户来洽谈贸易,合作经营,共创辉煌。
法兰高压截止阀
法兰高压截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式（阀杆升降，手轮不升降），也有升降旋转杆式（手轮与阀杆一起旋转升降，螺母设在阀体上）。截止阀只适用于全开和全关，不允许作调节和节流。
执行标准
| 设计与制造 Design and Manufacture | 结构长度
Face To Face | 法兰尺寸
Flange Dimension | 压力-温度 Pressure Temperature Lating | 试验-检验 Inspection And Test |
| GB122235 | GB12221 | GB9113 JB79 | GB9131 | GB/T13927 JB/T9092 |
规格、主要尺寸和重量
| 4.0MPa | DN | L | D | D1 | D2 | b | n-φd | H | D0 | 重量Weight |
| 凹凸法兰 MFM J41H J41Y J41W J41F J41N 40 40P 40R 40I | 20 | 150 | 105 | 75 | 51 | 16 | 4-14 | 275 | 140 | 7 |
| 25 | 160 | 115 | 85 | 58 | 16 | 4-14 | 285 | 160 | 9 |
| 32 | 180 | 135 | 100 | 66 | 18 | 4-18 | 302 | 180 | 12 |
| 40 | 200 | 145 | 110 | 76 | 18 | 4-18 | 355 | 200 | 17 |
| 50 | 230 | 160 | 125 | 88 | 20 | 4-18 | 373 | 240 | 24 |
| 65 | 290 | 180 | 145 | 110 | 22 | 8-18 | 408 | 280 | 33 |
| 80 | 310 | 195 | 160 | 121 | 22 | 8-18 | 436 | 320 | 44 |
| 100 | 350 | 230 | 190 | 150 | 24 | 8-23 | 480 | 360 | 60 |
| 125 | 400 | 270 | 220 | 176 | 28 | 8-25 | 588 | 400 | 90 |
| 150 | 480 | 300 | 250 | 204 | 30 | 8-25 | 611 | 400 | 100 |
| 200 | 533 | 375 | 320 | 260 | 38 | 12-30 | 720 | 400 | 190 |
| 6.4MPa | 20 | 190 | 125 | 90 | 51 | 20 | 4-18 | 228 | 160 | 13 |
| 凹凸法兰 MFM J41H J41Y J41W J41F J41N 64 64P 64R 64I | 25 | 210 | 135 | 100 | 58 | 22 | 4-18 | 275 | 180 | 15 |
| 32 | 230 | 150 | 110 | 66 | 24 | 4-23 | 325 | 200 | 19 |
| 40 | 260 | 165 | 125 | 76 | 24 | 4-23 | 360 | 240 | 25 |
| 50 | 300 | 175 | 135 | 88 | 26 | 4-23 | 410 | 280 | 35 |
| 65 | 340 | 200 | 160 | 110 | 28 | 8-23 | 450 | 320 | 48 |
| 80 | 380 | 210 | 170 | 121 | 30 | 8-23 | 485 | 360 | 56 |
| 100 | 430 | 250 | 200 | 150 | 32 | 8-25 | 537 | 400 | 125 |
| 125 | 500 | 295 | 240 | 176 | 36 | 8-30 | 631 | 400 | 130 |
| 150 | 550 | 340 | 280 | 204 | 38 | 8-34 | 646 | 450 | 160 |
| 200 | 650 | 405 | 345 | 260 | 44 | 12-34 | 813 | 500 | 285 |
