此機型利用液封活塞原理操作，特別適用於含水分、蒸氣即可凝結性氣體的抽取。內部無金屬面接觸，故不需加油潤滑保養費用低，完全無油煙。
|
型式 |
馬力 |
排氣量 |
口徑 |
Nomunal (r.p.m |
真空度 VACUUM |
液封水量 Water Sealing |
機械尺寸 MACHINE |
機械重量 |
|
DWP-1/2 |
1/2 |
150 |
1 |
3500 |
60 |
2 |
425x220x400 |
22 |
|
DWP-1 |
1 |
300 |
1 |
3500 |
3 |
460x230x410 |
26 |
|
|
GW-1H |
1 |
320 |
1 |
3500 |
4 |
620x225x285 |
39 |
|
|
GW-2H |
2 |
470 |
1 |
3500 |
6 |
690x250x285 |
50 |
|
|
GW-3H |
3 |
850 |
1 |
3500 |
8 |
710x250x285 |
53 |
|
|
GW-3 |
3 |
950 |
11/2 |
1720 |
6 |
923x290x423 |
110 |
|
|
GW-5 |
5 |
2000 |
2 |
1720 |
8 |
960x310x423 |
126 |
|
|
GW-7 |
71/2 |
2950 |
2 |
1720 |
11 |
1060x354x448 |
162 |
|
|
GW-10 |
10 |
3720 |
2 |
1720 |
17 |
1146x354x448 |
183 |
|
|
GW-15 |
15 |
6570 |
21/2 |
1720 |
30 |
1234x420x660 |
280 |
|
|
GW-20 |
20 |
7950 |
21/2 |
1720 |
34 |
1328x420x660 |
319 |
|
|
GW-25 |
25 |
9100 |
3 |
1720 |
40 |
1397x490x660 |
390 |
|
|
GW-30 |
30 |
12500 |
3 |
1720 |
45 |
1447x490x660 |
406 |
|
|
GWV-2H |
2 |
480 |
1 |
3500 |
30 |
6 |
732x250x285 |
58 |
|
GWV-3H |
3 |
860 |
1 |
3500 |
8 |
767x250x285 |
60 |
|
|
GWV-5 |
5 |
1750 |
2 |
1720 |
8 |
1040x310x448 |
150 |
|
|
GWV-7 |
71/2 |
2830 |
2 |
1720 |
11 |
1146x364x448 |
190 |
|
|
GWV-10 |
10 |
3970 |
2 |
1720 |
19 |
1220x354x515 |
220 |
|
|
GWV-15 |
15 |
5650 |
2 |
1720 |
28 |
1330x420x620 |
300 |
|
|
GWV-20 |
20 |
7200 |
2 |
1720 |
33 |
1444x420x620 |
350 |
|
|
GWV-25 |
25 |
8800 |
21/2 |
1720 |
39 |
1483x490x620 |
420 |