Oil-Free Screw Vacuum Pump Technology by Leading China Suppliers and Factory for High Stability and Performance
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Product Parameters
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The table below lists all available LGB Series model specifications, including vacuum extraction rate, power, limiting pressure, speed, and cooling water requirements.
| Model Number | Vacuum Extraction Rate (L/S) | Power (KW) | Limiting Pressure (Pa) | Speed (rpm) | Cooling Water (L/min) |
|---|---|---|---|---|---|
| LGB-10 | 10 | 1.1 | 5 | 2900 | 0 |
| LGB-15 | 15 | 1.5 | 5 | 2900 | 0 |
| LGB-20 | 20 | 2.2 | 5 | 2900 | 0 |
| LGB-50 | 50 | 5.5 | 5 | 2900 | 8 |
| LGB-80 | 80 | 7.5 | 5 | 2900 | 10 |
| LGB-120 | 120 | 11 | 5 | 2900 | 12 |
| LGB-150 | 150 | 15 | 5 | 2900 | 14 |
| LGB-200 | 200 | 18.5 | 5 | 2900 | 18 |
| LGB-220 | 220 | 22 | 5 | 2900 | 20 |
| LGB-300 | 300 | 30 | 5 | 2900 | 25 |
| LGB-400 | 400 | 37 | 5 | 2900 | 30 |
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Frequently Asked Questions
Q
What is the vacuum extraction rate range available in the LGB series?
The LGB series covers a wide range of vacuum extraction rates, from 10 L/S (LGB-10) up to 400 L/S (LGB-400), making it suitable for both small-scale and large industrial vacuum applications.
Q
Do all LGB series models require cooling water?
No. The smaller models — LGB-10, LGB-15, and LGB-20 — do not require cooling water (0 L/min). Starting from the LGB-50 and above, cooling water is required, with flow rates ranging from 8 L/min to 30 L/min depending on the model.
Q
What is the operating speed (rpm) for all LGB series models?
All models in the LGB series operate at a consistent speed of 2900 rpm, ensuring stable and reliable performance across the entire product range.
Q
What is the limiting pressure for the LGB series vacuum pumps?
All LGB series models share the same limiting pressure of 5 Pa, which reflects their capability to achieve a high vacuum level consistently across the entire model range.
Q
How do I select the right LGB model for my application?
Model selection should be based primarily on the required vacuum extraction rate (L/S) and available power supply (KW). For applications requiring higher throughput, models such as LGB-300 or LGB-400 are recommended. For smaller systems or limited power environments, LGB-10 to LGB-20 are ideal choices.
Q
What power supply is needed for the LGB-400, the largest model in the series?
The LGB-400 requires a 37 KW power supply and a cooling water flow rate of 30 L/min. It delivers a vacuum extraction rate of 400 L/S, making it the most powerful option in the LGB series for demanding industrial vacuum processes.