DUISBURG, Germany — Almatec, part of PSG, a Dover company and manufacturer of air-operated double-diaphragm (AODD) pumps and Quattroflow quaternary diaphragm pumps, announced that it has moved into new corporate headquarters located at Hochstraße 150-152 in Duisburg, Germany. The new headquarters will accommodate the growing business by providing roughly 70 percent more space, including a much larger manufacturing facility and a state-of-the-art ISO Class 7 cleanroom.