PAPER making! g! g FROM THE PUBLISHERS OF PAPER TECHNOLOGY INTERNATIONAL ® Volume 11, Number 1 2025
VOGELSANG INTRODUCED THE EP SERIES, A LINE OF POSITIVE DISPLACEMENT PUMPS
Vogelsang, the inventor of the rotary lobe pump with elastomer-coated lobes, has been one of the world's leading mechanical engineering companies in the field of pumps for decades. Recently, they’ve launched the EP series, a line of positive displacement pumps, which was designed specifically around the typical requirements of industrial pumping applications, including those of paper manufacturing in the Pulp and Paper markets. The EP series handles extreme conditions and constant high pressures. A heavy-duty gearbox allows for a uniform pressure output of up to 260 psi (18 bar), making it one-of-a- kind in its category. The pumps of the EP series consist of a one-piece housing that can reliably pump abrasive, chemically aggressive, and explosive flow media at temperatures of up to 392° F (200° C). Helical gears in the gearbox ensure smooth performance and reduce noise emissions. Pulsation-free conveying reduces wear on the adjacent pipeline while providing a low-shear pumping action. “The EP series’ high -pressure performance and temperature limits make it suitable for applications in paper manufacturing, where our customers previously used screw, gear, and progressing cavity pumps. Rotary lobe pumps save more space and are more energy- efficient and service- friendly in comparison,” says Vogelsang USA President Russ Boring. Vogelsang has additionally equipped its EP series with an AirGap for high operational reliability. The AirGap atmospherically separates the gearbox and pump chamber, ensuring that in the event of a leak, the liquid will drain off to the outside rather than leaking into the gearbox. The AirGap also protects the gearbox when pumping high-temperature media.
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