D371W美(mei)标對夾式蝶(dié)閥
D371W美标(biāo)對夾式蝶閥(fa)用途及特點(dian)
D371W美标對夾式(shi)蝶閥采用标(biāo)準
設計标準(zhǔn)：API609-83
法蘭連接尺(chi)寸：ANSI B16.5
結構長度(dù)：ANSI B16.10-1992
壓力試驗：API598-82
D371W美(mei)标對夾式蝶(die)閥結構、尺寸(cun)圖
D371W美标(biāo)對夾式蝶閥(fá)主要技術參(can)數
| 公稱通徑(jing) | DN(mm) | 830W | 830L |
| 2"-36" | 2"-36" | ||
| 公稱壓力 | PN(MPa) | 150LB | 300LB |
| 試(shì)驗壓力Pa(MPa) | 強度(du)試驗 | 3.0 | 7.5 |
| 密封試(shi)驗 | 2.2 | 5.5 | |
| 适用介質(zhì) | 水、蒸汽、油品(pin)、海水等 | ||
| 适用(yòng)溫度 | -29-425℃ | ||
美标對(duì)夾式蝶閥主(zhu)要零件的材(cai)質
| 閥體 | WCB、304.316、316SS、CF8M |
| 蝶闆(pǎn) | WCB、304、316、316SS、CF8M |
| 閥杆 | 3162Cr13、1Cr18N19Ti |
| 密封圈(quan) | 316、氟塑料 |
| 填料(liào) | 柔性石墨、氟(fu)塑料 |
D371W美标對(duì)夾式蝶閥（150Lb）
| 公(gong)稱通徑DN | 尺寸(cùn) | ||||
| L | D1 | D2 | Z-d | ||
| 2" | 50 | 43 | 120.5 | 92 | 4-19 |
| 2.5" | 65 | 46 | 139.5 | 105 | 4-19 |
| 3" | 80 | 49 | 152.5 | 127 | 4-19 |
| 4" | 100 | 56 | 190.5 | 157 | 8-19 |
| 5" | 125 | 64 | 216 | 186 | 8-22 |
| 6" | 150 | 70 | 241.5 | 216 | 8-22 |
| 8" | 200 | 71 | 298.5 | 270 | 8-22 |
| 10" | 250 | 76 | 362 | 324 | 12-13 |
| 12" | 300 | 83 | 432 | 381 | 12-13 |
| 14" | 350 | 92 | 476 | 413 | 12-13 |
| 16" | 400 | 102 | 540 | 470 | 16-29 |
| 18" | 450 | 114 | 578 | 533 | 16-32 |
| 20" | 500 | 127 | 635 | 584 | 20-32 |
| 24" | 600 | 154 | 750 | 692 | 20-35 |
| 28" | 700 | 165 | 864 | 800 | 28-35 |
| 32" | 800 | 190 | 978 | 914 | 28-41 |
| 36" | 900 | 203 | 1086 | 1022 | 32-41 |
| 40" | 1000 | 216 | 1200 | 1124 | 36-41 |
D371W美标對夾式(shì)蝶閥（300Lb）
| 公稱通(tōng)徑DN | 尺寸 | ||||
| L | D1 | D2 | Z-d | ||
| 2" | 50 | 43 | 127 | 92 | 8-19 |
| 2.5" | 65 | 46 | 149 | 105 | 8-22 |
| 3" | 80 | 49 | 168.5 | 127 | 8-22 |
| 4" | 100 | 56 | 200 | 157 | 8-22 |
| 5" | 125 | 64 | 235 | 186 | 8-22 |
| 6" | 150 | 70 | 270 | 216 | 12-13 |
| 8" | 200 | 73 | 330 | 270 | 12-13 |
| 10" | 250 | 83 | 387.5 | 324 | 16-29 |
| 12" | 300 | 92 | 451 | 381 | 16-32 |
| 14" | 350 | 117 | 514.5 | 413 | 20-32 |
| 16" | 400 | 133 | 571.5 | 470 | 20-35 |
| 18" | 450 | 149 | 628.5 | 533 | 24-35 |
| 20" | 500 | 159 | 686 | 584 | 24-35 |
| 24" | 600 | 181 | 813 | 692 | 24-41 |
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