U4.70—U4.250 Series

The Becker U4.70-U4.250 se ries comprises 5 models, each available in two versions: the SA series for general industrial vacuum applications and the F series, for application where higher vacuum levels are needed. The are highly efficient oil-flooded ro ta ry vane designsthat incorporate an oil reservoir,multi-stage oil separation system,radiator-style oil-cooler, anti-suckbac valve, vibration isolators, and high-efficiency direct-drive motor as standard equipment.

Each pump is de signed to op er ate o a con tin u ous ba sis, and can be operated with its inlet blanked off. The SA series models have an ultimate pressure of 2 torr, and are intended for use at vacuum levels above approximately 20 in. HgV (below 250 torr), but can be operated at any vacuum level, depending on conditions.