适用范围：
2W·W系列密封型双螺杆泵适用输送不受介质的影响，密封型容积式转子泵，通过泵体中主、从动螺杆的相互啮合，以及螺杆和泵体孔的配合，在泵体中形成一个个密封空腔，在螺杆转动时，这些密封空腔连续向前移动，推动密封腔中的液体从出口排出。≤150℃，黏度：3-760mm2/s，压力：0.6-6.3Mpa。流量：0.6-570m3/h。
结构特点：
该型泵采用双吸式结构，螺杆两端处于同一压力腔中，轴的力可以自行平衡。两端轴承采用外装式，单独采用外装式，单独采用润滑油（脂）润滑，两螺杆间用一对同步齿轮驱动，螺杆齿面间并不接触，而留有一微小间隙，介质中的杂质并不能对螺杆齿面产生直接的磨损。进出口方式的有二种：一为水平进，水平出：二为水平进，垂直向上出。用户可根据需要自作选择。
| 型号 规格 | 压力 MPa | 1450r/nin | 950r/min | 720r/min | |||||||||||||
| 30cSt | 75cSt | 150cSt | 300cSt | 450cSt | 750cSt | 1500cSt | 2500cSt | ||||||||||
| m3/h | kw | m3/h | kw | m3/h | kw | m3/h | kw | m3/h | kw | m3/h | kw | m3/h | kw | m3/h | kw | ||
| 2.5-15 | 0.6 | 2.4 | 1 | 3 | 1.2 | 3.2 | 1.4 | 3.3 | 1.8 | 1.8 | 1.2 | 1.8 | 1.4 | 1.3 | 1.2 | 1.3 | 1.5 |
| 1.0 | 1.7 | 1.4 | 2.6 | 1.6 | 4.9 | 1.9 | 3.1 | .2.2 | 1.7 | 1.4 | 1.7 | 1.7 | 1.2 | 1.4 | 1.2 | 1.7 | |
| 2.5-20 | 0.4 | 3.9 | 1 | 4.3 | 1.2 | 4.4 | 1.4 | 4.5 | 1.7 | 2.6 | 1.1 | 2.6 | 1.3 | 1.9 | 1.2 | 1.9 | 1.4 |
| 0.6 | 3.4 | 1.2 | 4 | 1.4 | 4.2 | 1.7 | 4.3 | 2 | 2.5 | 1.5 | 2.5 | 1.5 | 1.8 | 1.3 | 1.8 | 1.6 | |
| 2.8-18 | 0.6 | 4.3 | 1.5 | 4.8 | 1.9 | 4.9 | 2.2 | 5 | 2.7 | 2.9 | 1.8 | 2.9 | 2.1 | 2.1 | 1.9 | 2.1 | 2.3 |
| 1.0 | 3.7 | 2.1 | 4.4 | 2.5 | 4.7 | 2.8 | 4.8 | 3.4 | 2.7 | 2.2 | 2.7 | 2.5 | 2 | 2.2 | 2 | 2.6 | |
| 2.8-24 | 0.4 | 6.3 | 1.4 | 6.6 | 1.8 | 6.7 | 2.1 | 6.8 | 2.6 | 4 | 1.7 | 4 | 2.1 | 2.9 | 1.8 | 2.9 | 2.3 |
| 0.6 | 5.9 | 1.8 | 6.4 | 2.2 | 6.5 | 2.5 | 6.6 | 3 | 3.8 | 2 | 3.8 | 2.3 | 2.7 | 2 | 2.7 | 2.5 | |
| 3.1-22 | 0.6 | 7.7 | 2.3 | 8.2 | 2.7 | 8.3 | 3.1 | 8.4 | 3.8 | 5 | 2.5 | 5 | 2.9 | 3.7 | 2.5 | 3.7 | 3 |
| 1.0 | 7 | 3.2 | 7.8 | 3.7 | 8 | 4.1 | 8.1 | 4.8 | 4.8 | 3.1 | 4.8 | 3.6 | 3.5 | 3 | 3.5 | 3.5 | |
| 3.1-30 | 0.4 | 11.1 | 2.1 | 11.4 | 2.5 | 11.5 | 3 | 11.6 | 3.6 | 6.9 | 2.4 | 6.9 | 2.8 | 5.1 | 2.5 | 5.1 | 3 |
| 0.69 | 10.6 | 2.8 | 11.1 | 3.2 | 11.3 | 3.7 | 11.4 | 4.3 | 6.7 | 2.8 | 6.7 | 3.3 | 4.9 | 2.8 | 4.9 | 3.3 | |
| 3.4-24 | 1.6 | 7.4 | 7.2 | 9 | 8.1 | 9.8 | 9.3 | 5.7 | 6.1 | 5.7 | 6.9 | 4.3 | 5.8 | 4.3 | 6.7 | ||
| 2.0 | 6.5 | 8.5 | 85 | 9.3 | 9.5 | 10.6 | 5.5 | 6.9 | 5.5 | 7.7 | 4.1 | 6.4 | 4.1 | 7.4 | |||
| 2.5 | 5.3 | 10.1 | 7.8 | 10.9 | 9.1 | 12.2 | 5.1 | 8 | 5.1 | 8.7 | 3.9 | 7.2 | 3.9 | 8.2 | |||
| 3.4-30 | 1.0 | 8.3 | 5.3 | 11.4 | 6.1 | 12.4 | 7 | 12.9 | 8.2 | 7.6 | 5.3 | 7.6 | 6.1 | 5.6 | 5.3 | 5.6 | 6.2 |
| 1.25 | 6.9 | 6.3 | 10.7 | 7.1 | 12.1 | 8 | 12.6 | 9.2 | 7.4 | 6 | 7.4 | 6.8 | 5.5 | 5.8 | 5.5 | 6.7 | |
| 1.6 | 5 | 7.6 | 9.9 | 8.5 | 11.5 | 9.4 | 12.3 | 10.6 | 7.1 | 6.9 | 7.1 | 7.7 | 5.3 | 6.4 | 5.3 | 7.4 | |
| 3.4-40 | 0.6 | 14.8 | 4.5 | 16.8 | 5.3 | 17.5 | 6.2 | 17.8 | 7.4 | 10.6 | 4.8 | 10.6 | 5.6 | 7.8 | 4.9 | 7.8 | 5.8 |
| 1.0 | 12.2 | 6.7 | 15.5 | 7.4 | 16.6 | 8.3 | 17.2 | 9.5 | 10 | 6.2 | 10 | 7 | 7.4 | 5.9 | 7.4 | 6.9 | |
| 3.4-56 | 0.4 | 21.8 | 4.3 | 23.2 | 5.1 | 23.7 | 5.9 | 24 | 7.1 | 14.3 | 4.7 | 14.4 | 5.5 | 10.5 | 4.8 | 10.5 | 5.7 |
| 0.6 | 20.2 | 5.8 | 24.5 | 6.6 | 23.1 | 7.4 | 23.4 | 8.6 | 13.8 | 5.7 | 13.9 | 6.4 | 10.1 | 5.5 | 10.1 | 6.4 | |
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