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Engineered vacuum systems with booster pumps are multi-stage systems including one or more vacuum booster pumps and a primary pump. Vacuum booster pumps are always installed upstream of a primary pump, which discharges to atmospheric pressure. Systems with vacuum boosters have significantly higher performance than the primary pump alone. This means faster pumping speeds and deeper vacuum levels.
Vacuum boosters are positive displacement, two-lobe rotary blowers. Very tight running clearances enable the pump to operate efficiently without lubrication in the process chamber. The lobes, which are synchronized by timing gears in the oil box, convey the gas from the inlet to the discharge along the inner wall of the casing. The gas flow path is short, therefore reducing condensation and material buildup in the pump. Various materials of construction and shaft sealing options are available to meet process requirements. Vertical and horizontal flow installation options are also available.
NASH multi-stage systems with vacuum booster pumps are robust and rugged, offering the following benefits:
*Performance data is for illustrative purposes. Please consult with a Nash Engineer or Sales Representative for pump sizing and specific performance data.
Multi-stage vacuum systems are fit-for-purpose solutions designed for your single operating point.
NASH applications engineers utilize proprietary sizing and simulation tools to select the optimal system design after considering such variables as:
With its large portfolio of rugged, battle-tested primary vacuum pumps and a wide selection of boosters, Nash is your partner in engineering safe and reliable multi-stage vacuum systems best suited for your chemical process requirements.
Example of multiple modular skid arrangement
