LS type water-cooled Roots vacuum pump
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Detailed Introduction
LS type direct exhaust wet Roots vacuum pump is a rough vacuum acquisition equipment, suitable for vacuum drying, vacuum dehydration, vacuum extraction, and vacuum degassing in industrial sectors such as power, chemical, food, papermaking, pharmaceutical, and textile. It is suitable for clean, oil-free vacuum systems and pumping processes with a large amount of water and water vapor overflow, especially suitable for vacuum filtration in coal washing plants and ore dressing plants. This type of pump can be used to obtain a vacuum and also as a blower, so it can be used for vacuum collection and pneumatic conveying.
Features:
• Compared with commonly used water ring pumps, this type of pump has the advantages of low power consumption and less cooling water required.
• When the working pressure is 1000HPa-410HPa (i.e., -10mmHg--450mmHg), it is recommended to use a single LS type pump. When the working pressure is 410HPa-40HPa (i.e., -450mmHg--730mmHg), it is recommended to use two LS type pumps in series. In this way, the energy-saving effect will be more obvious, reaching 30%-40%.
• During use, allowing a small amount of sealing water to enter the intake has a significant effect on improving efficiency, lowering temperature, and reducing noise.
• Beautiful and exquisite appearance.
• New processing technology is adopted, and the manufacturing and configuration of various components are more reasonable.
• Simple structure, easy to use, and easy to maintain.

Curve Chart
Technical Parameters
| Model | Pumping rate | Ultimate pressure | Rated pressure | Inlet and outlet diameter | Cooling water flow rate | Matching power | |||
| m³/min | Pa | Torr | Pa | Torr | mm | L/min | Working pressure <400hpa |
Working pressure >400hpa |
|
| LS-9 | 9 | 1.5x10⁴ | 110 | 4*10⁴ | 300 | 150 | 9 | 15 | 11 |
| LS-12 | 12 | 150 | 9 | 18.5 | 15 | ||||
| LS-15 | 15 | 150 | 10 | 22 | 18.5 | ||||
| LS-20 | 20 | 150 | 12 | 30 | 22 | ||||
| LS-30 | 30 | 200 | 18 | 45 | 37 | ||||
| LS-40 | 40 | 200 | 18 | 75 | 45 | ||||
| LS-6 | 60 | 250 | 22 | 110 | 75 | ||||
Keywords:
LG/LGB series dry screw vacuum pumps
Roots Vacuum Pump Series
H, 2H slide valve vacuum pump series
Liquid ring vacuum pump series
Oil-free reciprocating vacuum pump series
KT series high vacuum oil diffusion pump series
Z-series oil diffusion jet pump (oil booster pump)
Vacuum unit series
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