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roots pump144-33

Roots Pump

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Roots Pump Pumping rate: 30~5000 L/s
Roots Pump Pumping rate: 30~5000 L/s

Roots Pump Pumping rate: 30~5000 L/s

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Product Description
Overview
Roots pump is a vacuum pump without internal compression, which is a vacuum pump that relies on a pair of "8" -shaped rotor in the pump cavity to move the gas by synchronous and reverse rotation.Usually, the pumping rate is large and the configuration motor power is small, so the pre-pumping of the pre-stage pump is required. After the pre-stage pump is pumped to the specified vacuum degree, the roots vacuum pump is started to improve the pumping speed and vacuum degree. Its structure and working principle are similar to the Roots blower, and the suction port is connected with the main pump of the vacuum container or vacuum system when it works. There is no contact between the rotor and the rotor, and between the rotor and the pump housing
Features
● No friction between moving parts inside the pump, no need for lubrication, and no oil in the pump chamber, allowing for a clean vacuum.
● Two-lobe cycloid involute design, with high-precision machining ensuring smooth and quiet operation.
● The gas inside the pump chamber flows vertically, aiding in the discharge of dust and condensate from the extracted gas.
● High-strength rotors with perfect symmetry and precise dynamic balancing ensure stable and reliable operation.
● Equipped with high-precision gears and imported bearings, resulting in low vibration and noise.
● An innovative three-dimensional water cooling jacket design effectively cools the pump body, significantly extending the pump's lifespan.
● Can be combined with liquid ring vacuum pumps, rotary vane vacuum pumps, dry vacuum pumps, and others to form Roots vacuum pump systems.
Typical Applications
Roots pumps are widely used in vacuum casting, vacuum smelting, vacuum degassing, vacuum coating industry and vacuum distillation, vacuum drying and other application scenarios in the chemical and pharmaceutical industry that require high vacuum working conditions.
Supporting Products
Roots vacuum unit
Combined with liquid ring vacuum pump, rotary vane vacuum pump, dry vacuum pump, etc. to form Roots vacuum unit.
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Product Parameter
Model ZJ-30 ZJ-70 ZJ-150 ZJ-300 ZJ-600 ZJ-1200 ZJ-1800 ZJ-2500 ZJ-5000
Pumping rate (L/s) 30 70 150 300 600 1200 1800 2500 5000
Maximum allowable pressure difference (hPA) 100 100 80 80 50 50 30 30 30
Air inlet (mm) 50 80 100 150 200 250 250 320 400
Exhaust (mm) 40 50 100 150 200 200 250 250 320
Equipped power (kW) 0.75 1.5 2.2 4 5.5 11 18.5 18.5 37
Zero flow maximum compression ratio >30 ≥35 ≥40 ≥40 ≥45 ≥50 ≥50 ≥50 ≥55
Power supply 380V 50Hz 3P
Weight (Kg) 80 90 210 285 550 860 1300 1480 3400
Overall dimensions (mm) 691.5*330*283 810* 248*235 990*548.4*475 1120*452.3*399 1265* 570*552 1658*788.5*635 1816* 670*600 2041* 660*660 2752.5*1260*1339.5
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