BOLGER CONCEPT TO PRINT — Power of the Pump

While many industrial companies are feeling the crunch with rising energy prices, Bolger Concept to Print has reduced its energy costs by installing a new dry running combination pressure/vacuum pump on its Heidelberg Speedmaster 102V sheetfed press. As a result, this full-service commercial printer, located in Minneapolis, received a rebate check for more than $900 from its local energy company, Xcel Energy.

Bolger Concept to Print was using an oil-recirculating, rotary vane combination pressure/vacuum pump on its Heidelberg press. After several years of operation, the performance of the vane pump was starting to deteriorate due to high temperatures. And, with the constant over-heating, it eventually caused seal failures resulting in the breakdown of the drive bearings.

Cool for Press Operators
Also, the press operators were complaining about how much heat it generated and the high heat was causing problems with the air lines, contributing to excessive downtime and repairs. They also experienced the same problems with the numerous rotary carbon vane pumps they had used in their Heidelberg Speedmaster. The rotary carbon vane pump, after three years of use, had to either be rebuilt or replaced.

Rather than purchase another rotary vane pump, Bolger decided to switch to a different type of printing pump. Darren Doheny, plant engineer, wanted a pump that would require less maintenance, could run cooler, operate consistently with minimum downtime and would offer a lower cost of ownership than the vane pump. He found that the Busch ME3048 Merlin combination pressure/vacuum pump would satisfy all those requirements, plus save on rising energy costs.

Busch Merlin Series combination pumps are positive displacement, rotary claw-type pumps that feature non-contacting, non-wearing internal components. Pressure and vacuum are provided by independent pumping chambers, which are 100 percent oil-free.

Their efficient design and rugged construction make them highly reliable and tolerable to paper dust and offset powder. Upon installation of the Merlin ME3048, one of its many benefits was noted quickly.

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