Summary:
The 2SK/SK vacuum pump is primarily used for pumping air and other gases that are slightly corrosive, insoluble in water, and contain minimal solid particles. The pump utilizes a liquid ring to create pressure and remove air from the suction side.
This double-stage design offers higher vacuum levels, faster pumping speeds, a compact structure, reliable operation, and easy maintenance. It is widely applied in industries such as food processing, textiles, pharmaceuticals, and chemical manufacturing.
Product Details:
Working Principle: | Water Ring Vacuum Pump |
Main Applications: | Air & Gas |
Driver: | Electric Motor |
Power Specs: | 380/415V 3phase; 220/240V 1phase; 50hz/60hz |
Max. Permissible Fluid Temperature: | 50°C (122°F) |
Type of Connection: | Flange |
Installation Position: | Horizontal |
Casing Parts Material: | Cast Iron, Stainless Steel |
Shaft Seal Type: | Mechanical Seal, Packing Seal |
Free Passage: | 0mm |
Limited Vacuum: | -0.097MPa (-0.97bar) |
Maximum Drive Rating: | 55KW (75HP) |
Maximum Caliber: | 125mm (5inch) |
Flow Rate Range: | 54-1800m3/h (237.6-7920US.GPM) |
Performance Data:
Model | Pumping Capacity (m3/min) | Ultimate Vacuum Pressure | Motor Power | Speed | Water Consumption | Diameter (mm) | ||
Max. |
When the suction pressure is -0.093MPa (-700mmHg) |
(MPa) (mmHg) |
(KW) | (r/min) | (L/min) | Inlet | Outlet | |
2SK-1.5 | 1.5 | 0.9 | -0.097 (-725) | 4 | 1440 | 10-15 | 40 | 40 |
2SK-3 | 3 | 2 | -0.097 (-725) | 7.5 | 1440 | 15-20 | 40 | 40 |
2SK-6 | 6 | 4 | -0.098 (-735) | 15 | 1460 | 25-35 | 50 | 50 |
2SK-12 | 12 | 8 | -0.098 (-735) | 22 | 970 | 40-50 | 100 | 100 |
2SK-20 | 20 | 14 | -0.098 (-735) | 45 | 740 | 60-80 | 125 | 125 |
2SK-30 | 30 | 20 | -0.098 (-735) | 55 | 741 | 60-80 | 125 | 125 |
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Zhejiang Yonjou Technology Co., Ltd is one of the leading manufacturers and exporters in the field of industrial pumps with production facilities in mainland China. We specialize in oil pumps, diaphragm pumps, diesel engine pumps, centrifugal pumps, screw pumps, and chemical pumps.


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