Summary:
1. The 2SK vacuum pump is primarily designed for pumping air and other gases that are slightly corrosive, insoluble in water, and contain minimal solids.
2. Water is introduced into the pump at high speed to create pressure and a sealed water cavity, which helps remove air from the container on the suction side.
3. Pumps with a double-stage structure offer higher vacuum levels, greater pumping speeds, compact designs, reliable operation, and easy maintenance.
4. These vacuum pumps are widely used in industries such as food processing, textiles, pharmaceuticals, and chemical manufacturing for processes like dipping, drying, and more.
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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) |
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Performance Data:
Model | Capacity (m3/min) | Limiting Pressure | Power (KW) | Speed (r/min) | Compressor Pressure (Mpa) | |||
MAX | Suction pressure: 0.041Mpa Max(-450mmHg) | mmHg | Mpa | Vacuum Pump | Compressor | |||
SK-1.5 | 1.5 | 1.35 | -680 | -0.091 | 4 | 4 | 1440 | 0-0.1 |
SK-3 | 3 | 2.8 | -700 | -0.093 | 5.5 | 7.5 | 1440 | 0-0.1 |
SK-6 | 6 | 5.4 | -700 | -0.093 | 11 | 15 | 1460 | 0-0.1 |
SK-9 | 9 | 8.1 | -700 | -0.093 | 15 | 22 | 970 | 0-0.1 |
SK-12 | 12 | 10.8 | -700 | -0.093 | 18.5 | 30 | 970 980 | 0-0.1 |
SK-15 | 15 | 13.5 | -700 | -0.093 | 30 | 45 | 980 | 0-0.1 |
SK-20 | 20 | 18 | -700 | -0.093 | 37 | 55 | 740 | 0-0.1 |
SK-30 | 30 | 27 | -700 | -0.093 | 55 | 75 | 740 | 0-0.1 |
SK-42 | 42 | 37.8 | -700 | -0.093 | 75 | / | 740 | / |
SK-60 | 60 | 54 | -700 | -0.093 | 90 | / | 590 | / |
SK-85 | 85 | 76.5 | -700 | -0.093 | 132 | / | 590 | / |
SK-120 | 120 | 108 | -700 | -0.093 | 185 | / | 490 | / |
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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 located in mainland China. We specialize in oil pumps, diaphragm pumps, diesel engine pumps, centrifugal pumps, screw pumps, and chemical pumps. Our products are known for their reliability, efficiency, and wide range of applications across various industries. With a strong focus on quality and innovation, we provide solutions tailored to meet the needs of our global clients.


Based on the following three points, the Iron Box can better protect the tea packaging and protect the tea.
1. Tightness of the iron box.
Tea will deteriorate when exposed to the air, so the first key to storing tea is to seal it. The iron box has a low oxygen permeability, which has a good barrier to the air and can better protect tea.
2. Reducibility of iron box.
Chemical action of the iron box: good reducibility, the tin in the iron box will react with the oxygen remaining in the container during filling, which is the reduction of tin. The reduction of tin can reduce the chance of oxidation of tea nutrients and prolong the storage life of tea
3. Light opacity of iron box
Light is easy to cause deterioration reaction of tea and change of food quality, especially green tea is easy to deteriorate in case of light. The lightproof of the iron box makes the preservation rate of tea higher. In addition to keeping the original flavor of tea, even the color will not change.
For the current market, iron box packaging is widely used, such as tea iron boxes. Due to the diversity of printing on the surface of the iron box and good gloss, it is more beautiful and high-grade. The reason why people like to use iron boxes for packaging is that the compatibility strength of iron boxes is good and they are suitable for preservation. In recent years, there are all kinds of packaging materials on the market. From wooden boxes, plastic boxes to iron boxes, among which iron boxes are the first choice for tea packaging.
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