1小型轻便，容易拆装及维修，并可在任意位置安装。 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，气体试验泄漏为零。 7选择不同零部件材质，可适用多种介质。 | 规 格 | D | D1 | H | H1 | A | C | n-d | 执行器 | | (mm) | (lnch) | | 50 | 2 | 52.9 | 120 | 274 | 80 | 173 | 42 | 4-23 | RAT063DA | | 65 | 2.5 | 65.4 | 136.2 | 300 | 89 | 190 | 44.7 | 4-26.5 | RAT075DA | | 80 | 3 | 78.8 | 160 | 315 | 95 | 196.5 | 45.2 | 8-18 | RAT083DA | | 100 | 4 | 104 | 185 | 345 | 114 | 241 | 52.1 | 4-24.5 | RAT092DA | | 125 | 5 | 123.3 | 215 | 371 | 127 | 263.5 | 54.4 | 4-23 | RAT105DA | | 150 | 6 | 155.6 | 238 | 407 | 139 | 319 | 55.8 | 4-25 | RAT125DA | | 200 | 8 | 202.5 | 295 | 441 | 175 | 319 | 60.8 | 4-25/4-23 | RAT125DA | | 250 | 10 | 250.5 | 357 | 490 | 203 | 390 | 65.6 | 4-29 | RAT140DA | | 300 | 12 | 301.6 | 407 | 560 | 242 | 449 | 76.9 | 4-29 | RAT160DA | | 350 | 14 | 333.3 | 467 | 591 | 267 | 449 | 76.5 | 4-30 | RAT160DA | | 400 | 16 | 389.6 | 515/525 | 656 | 309 | 15 | 86.5 | 4-26/4-30 | RAT190DA | | 450 | 18 | 440.51 | 565/585 | 703 | 328 | 560 | 105.6 | 4-26/4-30 | RAT210DA | | 500 | 20 | 491.5 | 620/650 | 783 | 361 | 654 | 131.8 | 4-26/4-33 | RAT240DA | | 600 | 24 | 592.5 | 725/770 | 908 | 459 | 725 | 152 | 20-30/20-33 | RAT270DA | | 700 | 28 | 695 | 840 | 970 | 520 | 725 | 163 | 24-30/20-36 | RAT270DA | | 800 | 32 | 794.7 | 950 | 1046 | 591 | 742 | 188 | 24-33/24-39 | RAT300DA | | 900 | 36 | 864.7 | 1050 | 1148 | 656 | 860 | 203 | 24-33 | RAT350DA | | 1000 | 40 | 965 | 1160 | 1310 | 721 | 918 | 213 | 24-36 | RAT400DA |
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