DSV变螺距螺杆真空泵性能优势：
●高压段抽速快，运转功率低，噪音低/High pressure period of pumping speed is fast, low power and low noise.
●可依制程/环境需求选用水冷（防爆）或气冷（防爆）马达/Can choose water in accordance with the process/environment demａnd (explosion) or air cooled motor (explosion).
●气冷马达机型可搭配自循环冷却系统，能使用在无冷却水系统的环境/Air cooled motor model can match the circulating cooling system, can use in the absence of cooling water system of the environment.
●DSV变螺距系列，耗能低、节能减排、省成本/PD varying pitch series, low energy consumption, energy conservation and emissions reduction, and save cost.
| 型号 参数 | DSV250 | DSV360 | DSV540 | DSV720 | DSV1080 |
| 抽速(50/60Hz) | m³/hr | 250/300 | 396/475 | 540/650 | 720/860 | 1080/1290 |
| L/min | 4200/5000 | 6600/7920 | 9000/10800 | 12000/14400 | 18000/21600 |
| L/S | 70/84 | 110/132 | 150/180 | 200/240 | 300/360 |
| 极限压力(50/60Hz) | mbar | 0.02/0.01 |
| Torr | 0.015/0.0075 |
| Pa | 2/1 |
| 功率(kw)50/60Hz | 5.5/7.5 | 7.5/7.5 | 11/15 | 15/15 | 18.5/22 |
| 转速(RPM)50/60Hz | 2900/3500 |
| 进气口径(mm) | 50 | 65 | 70 | 90 | 100 |
| 出气口径(mm) | 40 | 40 | 55 | 65 | 65 |
| 齿轮腔油量(L) | 0.85 | 0.85 | 1.4 | 2 | 2 |
| 冷却水量 | L/min | 2.5 | 2.6 | 2.8 | 3 | 4 |
| gal/min | 0.67 | 0.7 | 0.75 | 0.8 | 1.07 |
| 重量(Kg) | 295 | 350 | 480 | 520 | 680 |
| 噪声(dB(A)) | 75 | 73 | 75 | 78 | 80 |
| 允许室温(℃) | 5-40 |
| 允许湿度 | 90% |
变螺距螺杆真空泵特点：
说明：
德耐尔对产品不断改进，保有设计变更权，如有更改，恕不另行通知
典型应用：
●面板/TFT-LCD,Touch Panel.
●太阳能/Solar.
●冶金系统/Metallurgical System.
●镀膜/Coating.
●电浆制程/Plasma processes.
●干燥处理/Drying Process.
●制程气体抽取/ Degassing.
●生技/制药/Biotech/Pharmaceutical.
●化工产业/Chemical Industry.
