▍Features
Oil-free
Since no lubricating oil is used in the casing chamber, stable performance is realized even when evacuating water vapor or solvent vapors.
Operation at high inlet pressure
If a motor larger than the standard motor is installed, the pumps are sufficiently applicable to systems having high gas loads, such as CO2, laser process

▍Applications
· lluminate, electronics optics, semiconductor
· Evaporation, sputtering, ion plating, liquid crystal injector.
· Vacuum drying, freeze drying, vacuum degassing.
· Vacuum heat treatment furnaces, sintering furnaces, brazing furnaces
· Analytical instrument, leak testers, CO2 laser equipment vacuum dryers.

▍Pumping rate curve

Pressure

▍Performance specifications

*1.This value is measured by the Pirani vacuum gauge. it is approx, 4.0 x 10^-2Pa (NB1200B is 6.7 x 10^-2Pa) when a McLeod vacuum gauge is used.
* 2.This value changes depending on the performance of the fore pump. The above data is obtained when the pump is used in combination with a standard fore-pump.
* 3.Air cooling wil do when the pressure is lower than 530 Pa. Water cooling is required in continuous operation af a pressure higher than 530 Pa.
*4.The temperature of inlet port cooling water must between 5-30℃ .The pump is prohibited to be used in dewy environment or low temperature environment of the cooling water.

▍NB100B

▍NB300B

▍NB600B

▍NB1200B