Pump Solutions Group (PSG), a business unit within the Engineered Systems segment of Dover Corporation, has signed a definitive agreement to acquire the Maag Group, headquartered in Zurich, Switzerland. The acquisition includes Maag Pump Systems, Automatik Pelletizing Systems, and Maag Filtration Systems.

The Maag Group will operate as a business unit within PSG. According to the PSG announcement, Maag posted 2011 revenue of approximately $170 million. The transaction is subject to customary regulatory approvals and is expected to close around the end of the first quarter of 2012. Terms of the transaction were not disclosed.

Maag is recognized for its external gear pump technology, pelletizing systems, and engineered integrated solutions for the polymer, plastic, chemical, and petrochemical industries. Maag has global operations in Switzerland, Germany, the United States, Italy, and China, as well as additional sales support offices in France, Singapore, Malaysia, Taiwan, and Brazil.

The acquisition is expected to expand PSG’s product portfolio within the company’s core markets of chemicals and petrochemicals.

PSG’s family portfolio of pump and system technologies includes the global brands Almatec, Blackmer, EnviroGear, Griswold, Mouvex, Neptune, RedScrew and Wilden.