 
| 公稱壓力(MPa) | 0.05MPa | 介質(zhì)溫度 | -30℃~-350℃ | 
| 強(qiáng)度試驗 | 0.1MPa | 適用介質(zhì) | 冷熱風(fēng)、煙氣 | 
| 介質(zhì)流速 | 25m/s | 泄漏率 | 3% | 
| 零件名稱 | 閥體 | 閥板 | 閥軸 | 
| 材料 | 碳鋼 | 碳鋼 | 碳鋼、不銹鋼 | 
四、法蘭式通風(fēng)蝶閥主要連接尺寸及重量
| DN | D | D1 | n-do | b | L | 重量 | ||
| D41 | D341 | D941 | ||||||
| 200 | 320 | 280 | 8-18 | 16 | 140 | 34 | 42 | 78 | 
| 250 | 375 | 335 | 12-18 | 16 | 140 | 38 | 46 | 83 | 
| 300 | 440 | 395 | 12-22 | 16 | 170 | 48 | 54 | 93 | 
| 350 | 490 | 445 | 12-22 | 16 | 170 | 56 | 64 | 95 | 
| 400 | 540 | 495 | 16-22 | 16 | 190 | 73 | 81 | 98 | 
| 450 | 595 | 550 | 16-22 | 16 | 190 | 81 | 110 | 140 | 
| 500 | 645 | 600 | 20-22 | 16 | 190 | 99 | 128 | 179 | 
| 600 | 755 | 705 | 20-26 | 18 | 210 | 127 | 157 | 213 | 
| 700 | 860 | 810 | 24-26 | 18 | 210 | 152 | 199 | 267 | 
| 800 | 975 | 920 | 24-30 | 18 | 210 | 182 | 229 | 326 | 
| 900 | 1075 | 1020 | 24-30 | 18 | 250 | 240 | 287 | 385 | 
| 1000 | 1175 | 1120 | 28-30 | 18 | 250 | 383 | 430 | 528 | 
| 1100 | 1275 | 1220 | 28-30 | 18 | 250 | 
 | 620 | 682 | 
| 1200 | 1375 | 1320 | 32-30 | 18 | 250 | 
 | 765 | 827 | 
| 1400 | 1575 | 1520 | 36-30 | 18 | 300 | 
 | 1188 | 1250 | 
| 1600 | 1790 | 1730 | 40-30 | 22 | 300 | 
 | 1393 | 155 | 
| 1800 | 1990 | 1930 | 44-30 | 22 | 300 | 
 | 1800 | 1865 | 
| 2000 | 2190 | 2130 | 48-30 | 22 | 300 | 
 | 2130 | 2190 | 
| 2100 | 2300 | 2240 | 52-33 | 22 | 300 | 
 | 
 | 2785 | 
| 2200 | 2405 | 2340 | 52-33 | 26 | 350 | 
 | 
 | 3690 | 
| 2400 | 2605 | 2540 | 56-33 | 26 | 350 | 
 | 
 | 4720 | 
| 2600 | 2805 | 2740 | 60-33 | 26 | 350 | 
 | 
 | 5530 | 
| 2800 | 3030 | 2960 | 64-36 | 26 | 400 | 
 | 
 | 6035 | 
| 3000 | 3230 | 3160 | 68-36 | 26 | 400 | 
 | 
 | 6280 |