蜗轮蝶阀 永特阀门 现货直销
特点：1、小型轻便，容易拆装及维护，并可有任意位置安装。2、结构简单，紧凑，90°回转启闭迅速。3、操作扭矩小，省力轻巧。4、流量特性趋于直线，调节性能好。5、启闭试验次数多达数万次，寿命长。6、达到完全密封，气体试验泄露为零。7、选择不同零部件材质，可适用多种介质。“A”型蝶阀外形尺寸、连接尺寸| 规格 | 尺寸(mm) |
| mm | inch | A | B | C | D | L | H | D1 | N-Φ | K | E | N1-Φ1 | Φ2 | G |
| 50 | 2" | 140 | 70 | 41.5 | 52.9 | 32 | 84.84 | 120 | 4-23 | 77 | 57.15 | 4-6.7 | 12.6 | 118 |
| 65 | 2.5" | 152 | 80 | 44 | 64.5 | 32 | 96.2 | 136.2 | 4-26.5 | 77 | 57.15 | 4-6.7 | 12.6 | 137 |
| 80 | 3" | 159 | 96 | 45.2 | 78.5 | 32 | 61.23 | 160 | 8-18 | 77 | 57.15 | 4-6.7 | 12.6 | 143 |
| 100 | 4" | 178 | 107 | 51 | 104 | 32 | 70.80 | 185 | 4-24.5 | 92 | 69.85 | 4-10.3 | 15.77 | 156 |
| 125 | 5" | 200 | 110 | 53.5 | 123.3 | 32 | 82.28 | 215 | 4-23 | 92 | 69.85 | 4-10.3 | 18.92 | 190 |
| 150 | 6" | 203 | 132 | 55 | 155.6 | 32 | 91.08 | 238 | 4-25 | 92 | 69.85 | 4-10.3 | 18.92 | 212 |
| 200 | 8" | 238 | 165 | 60 | 202.6 | 45 | 112.89
76.35 | 295 | 4-25
4-23 | 115 | 88.9 | 4-14.3 | 22.1 | 268 |
| 250 | 10" | 269 | 198 | 65.5 | 250.5 | 45 | 92.40 | 357 | 4-29 | 115 | 88.9 | 4-14.3 | 28.45 | 325 |
| 300 | 12" | 306 | 236 | 75.3 | 301.6 | 45 | 105.34 | 407 | 4-29 | 140 | 107.95 | 4-14.3 | 31.6 | 403 |
| 350 | 14" | 378 | 267 | 76 | 333.3 | 45 | 91.11 | 467 | 4-30 | 140 | 107.95 | 4-14.3 | 31.6 | 436 |
| 400 | 16" | 400 | 309 | 84.5 | 390.1 | 51.2
72 | 100.47
102.42 | 515
525 | 4-26
4-30 | 197 | 158.75 | 4-20.6 | 33.15 | 488 |
| 450 | 18" | 422 | 328 | 103 | 441.2 | 51.2
72 | 88.39
91.59 | 565
585 | 4-26
4-30 | 197 | 158.75 | 4-20.6 | 38 | 539 |
| 500 | 20" | 480 | 361 | 130 | 491.6 | 64.2
82 | 96.99
101.68 | 620
650 | 4-26
4-33 | 197 | 158.75 | 4-20.6 | 41.15 | 593 |
| 600 | 24" | 562 | 459 | 151.3 | 525 | 70.2
82 | 113.42
120.46 | 725
770 | 4-30
4-36 | 276 | 215.9 | 4-22.2 | 50.65 | 816 |
