What are the advantages of small screw vacuum pumps compared to oil-sealed rotary vane vacuum pumps?

How a small screw vacuum pump works:

A screw vacuum pump operates by creating a sealed space between two parallel screw rotors and the pump housing, maintaining a precise rotational clearance between the rotors themselves and between the rotors and the housing—ensuring zero friction. Driven by reverse-synchronized gears, this pump continuously draws gas from the inlet port and expels it through the outlet, generating a vacuum. Because there’s no friction between the rotors and the pump housing, the pump chamber remains clean and requires no lubrication. As a result, screw vacuum pumps are well-suited for applications involving large amounts of water vapor, solvents, or even small particles of dust, making them ideal for processes like gas and solvent recovery. Unlike multi-stage claw or multi-stage Roots vacuum pumps—which feature intermediate partitions—screw vacuum pumps operate with continuous forward motion, offering shorter gas pathways, higher efficiency, easier cleaning, and reduced risk of clogging.

What are the advantages of small air-cooled screw vacuum pumps?

Features

• Employing advanced fifth-generation compound screw technology.
• Eco-friendly—oil-free, water-free, and pollution-free, delivering clean vacuum while allowing the extracted material to be recycled.
• Energy-saving: By adopting variable-pitch energy-saving technology, energy consumption can be reduced by up to 30%.
• Air-cooled, featuring an air-cooling design for even easier and simpler operation.
• Save manpower, with maintenance cycles lasting from thousands to tens of thousands of hours.
• Featuring an ultra-high vacuum capability—down to 0.3 Pa (customizable to 0.1 Pa)—and a wide operating range, this system can run continuously from extreme vacuum conditions all the way up to atmospheric pressure. Equipped with a state-of-the-art magnetic sealing mechanism, it ensures exceptionally reliable sealing performance, smooth exhaust flow, and outstanding liquid-handling capabilities. Additionally, the unit boasts a lightweight design, thanks to the use of innovative, high-performance, lightweight materials. And with its precision-engineered components, it delivers remarkably low noise levels during operation.

whatsapp：+86 15232616681    

Telegram：+86 15232616681

Address: Building 1, Room 2-101, Saifei Century Pharmaceutical Park, Beichen District, Tianjin City