L Roots type blowers/vacuum pump is designed by National Union Associated Design Team with more than 20 years' history since 1987.
During these years, we updated L product for several times as per the requirement and feedback from our end users to get better performance and reliable running.

Character:
1, Diverse seals are available for different gases.
2,Diverse styles: Vertical, Horizontal, Pressure, Vacuum

Specification:
Pressure: Flow:0.6~711m3/min
Pressure rise::9.8~58.8kPa;
Vacuum: Flow:1.58~371 m3/min
Vacuum Degree: -9.8~-39.2 kPa;

Application:
Widely used in Power, Petroleum Chemical, Fertilizer, Steel, Metallurgy, Oxygen Producing, Cement, Food, Textile, Paper Making, Dust Abatement, Aquaculture, Sewage Treatment, Pneumatic Conveying and etc. diverse industries.