DOWNERS GROVE, Ill., Aug. 9, 2023 /PRNewswire/ — Wilden, part of PSG and Dover (NYSE: DOV), today announced that it has extended its line of small air-operated double-diaphragm (AODD) pumps with the addition of two new 6 mm (1/4″) Bolted Plastic Pump models, the Pro-Flo® SHIFT Series…