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h uitimate pressure50hzpa 5 -33

Screw Vacuum Pump

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Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h
Screw pump Pumping rate: 10~1080 m³/h

Screw pump Pumping rate: 10~1080 m³/h

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Product Description
Overview
Dry screw vacuum pump is an air extraction device that uses a pair of screws to perform synchronous high-speed reverse rotation in the pump casing to produce air suction and exhaust. The two screws are finely dynamically balanced and supported by bearings. They are installed on the pump. In the shell, there is a certain gap between screws. Therefore, when the pump is working, there is no friction between each other, smooth operation, low noise, and no lubricating oil is required in the working chamber. And the dry screw pump can pump out a large amount of steam and a small amount of dust, the ultimate vacuum degree is higher, the power consumption is lower, and it has the advantages of energy saving and maintenance-free.
Features
● No friction between rotating parts, resulting in low noise.
● Simple structure, making maintenance and servicing convenient.
● Can be combined with Roots pumps and molecular pumps to form an oil-free unit.
● Wider application range: suitable for use in corrosive environments.
● No medium inside the working chamber, ensuring a clean vacuum.
● High vacuum level, with an ultimate vacuum level reaching below 1 Pa.
● Gas is not compressed inside the pump, making it suitable for extracting condensable gases.
● The pump features a sealed structure, with no oil consumption or water leakage during operation.
● Capable of extracting gas in environments with large amounts of water vapor and small amounts of dust.
● No gaps between rotating parts, allowing for high-speed operation and a compact overall size.
● The screw material is made of high-strength special material, which is dense, wear-resistant, and stable in performance.
● Pumped gases are discharged directly from the pump body, without polluting water, posing no environmental burden, and making gas recovery easier.

Typical Applications

The typical applications of screw vacuum pumps include oil and gas recovery, vacuum coating, biopharmaceuticals, food processing, monocrystal furnaces, vacuum forming, vacuum smelting, electronics and photovoltaics, and semiconductor synthesis, among others.

Screw pump Pumping rate: 10~1080 m³/h Uitimate pressure(50Hz)Pa: ≤5 details
Supporting Products
Screw pump Pumping rate: 10~1080 m³/h Uitimate pressure(50Hz)Pa: ≤5 details
Product Parameter
Model LG-2 LG-4 LG-12 LG-18 LG-25 LG-50 LG-70 LG-110 LG-150 LG-200 LG-300
Pumping rate (m³/h) 10 20 50 70 90 180 250 396 540 720 1080
Pumping rate (L/s) 2.78 5.56 13.89 19.44 25 50 69.44 110 150 200 300
Ultimate pressure (50/60Hz)Pa ≤5 ≤5 ≤5 ≤10 ≤10 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
Rotating speed (rpm) 2730 2840 2850 2850 2870 2900 2900 2900 2900 2900 2900
Power (Kw) 0.55 1.1 2.2 3 4 5.5 5.5 7.5 11 15 18.5
Air inlet diameter (mm) 16 25 40 40 50 50 50 65 70 90 100
Exhaust diameter (mm) 16 25 40 40 50 40 40 40 55 65 65
Cooling water volume (L/Min) Forced air cooling 2.5 2.5 2.6 2.8 3 4
Noise (dBA) 70 72 75 75 80 75 72 73 78 78 80
Gear chamber oil volum (L) / 0.85 0.85 0.85 1.4 2 2
Weight (Kg) 50 73 115 144 170 295 350 350 480 520 680
Room temperature (℃) 5~40
Maximum allowable humidity 90%
Power supply 380V 50Hz 3P
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