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The JZJPLG Series Roots Screw Vacuum Pump System is a dry, oil-free vacuum solution consisting of a ZJP Roots Pump as the main pump and an LG Screw Pump as the backing pump. Compared to a single screw vacuum pump, this combined system is more efficient and better suited for low-pressure operation.
With their oil-free design, both the Roots pump and the screw pump deliver clean vacuum performance, making the system ideal for industries such as pharmaceuticals, chemicals, vacuum coating, vacuum furnaces, and semiconductor manufacturing.
Working Principle of Roots Screw Vacuum Pump SystemThe system integrates two core technologies:
Roots Pump: Known for its high pumping speed and ability to rapidly reduce system pressure, the Roots pump acts as a booster to improve efficiency.
Screw Pump: Functions as the backing pump, handling large amounts of gas, vapor, and even corrosive substances while ensuring oil-free and stable operation.
Together, the Roots + Screw combination offers a wide operating range, fast pumping speed, and the capability to manage challenging industrial gases that conventional pumps cannot handle.
Oil-Free & Clean Vacuum – No medium inside the chamber, ensuring a clean vacuum environment.
Corrosion Resistance – Roots pump chamber is nickel-plated, and screw pump chamber is coated with nickel or PTFE for handling steam, solvents, and corrosive gases.
Condensable Gas Handling – Gas is not compressed in the pump chamber, making it suitable for condensable gases.
Wide Vacuum Range – A single unit can pump down from atmosphere to 1 Pa, simplifying vacuum systems.
Energy-Saving – Minimal impact from cooling water; water savings up to 90% or even no water consumption required.
Eco-Friendly – No oil consumption, no leakage, no wastewater, no pollution.
Compact & Reliable – Small footprint, simple structure, high-speed operation, and minimal maintenance.
Stable Operation – No friction between rotating parts; low vibration and noise.
Gas Recovery Capability – Direct discharge of process gas without water contamination.
Flexible Combination – Can be used with Roots pumps or molecular pumps to form an oil-free vacuum system.
The JZJPLG Roots-Screw Vacuum Pump System is widely used in processes requiring oil-free, stable, and corrosion-resistant vacuum solutions, including:
Pharmaceutical Industry – Product purification and special drying.
Chemical Industry – Solvent recovery, distillation, crystallization, and filtration.
Food & Beverage – Vacuum drying, filling, and degassing.
Vacuum Metallurgy & Furnaces – Heat treatment, sintering, and brazing.
Semiconductors & Coating – Thin-film deposition, solar energy, and electronics manufacturing.
Laboratories & Research – Central vacuum systems, aerospace simulation, and experimental setups.
Environmental Applications – Gas recovery and oil-free processes requiring eco-friendly vacuum.
The Roots Screw Vacuum Pump System is a high-performance solution that combines the rapid pumping speed of Roots pumps with the oil-free, durable operation of screw pumps. This hybrid design makes it one of the most reliable vacuum systems for challenging industrial environments, providing efficiency, energy savings, and long-term reliability.
At NuoXuTech, we specialize in manufacturing and exporting advanced vacuum pump systems from China. Our Roots Screw Vacuum Pump Systems are engineered to meet the needs of industries worldwide, delivering consistent performance and dependable quality.
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