Modern Pumping Today February 2025 - 26

PUMP SOLUTIONS
EXTREME CONDITIONS
MEET HIGH-PRESSURE
PERFORMANCE
New line of rotary lobe pumps takes on the oil,
gas, and chemical industries
BY RUSS BORING. VOGELSANG USA
A
s the inventor of the rotary
lobe pump with elastomercoated
lobes, Vogelsang
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 the oil
and gas market.
EXTRA POWERFUL
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
EP SERIES AT A GLANCE
* High efficiency due to
one-piece housing
* High pressures
* Unparalleled
quietness due to highperformance
gearbox
* Compliance with industryspecific
standards through
new sealing options
* AirGap for protection of
gearbox and pump chamber
* For media up to 392
degrees Fahrenheit (200
degrees Celsius)
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
Fahrenheit (200 degrees Celsius).
ELIMINATING PULSATION
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 the oil
and gas industry, paints and coatings,
paper manufacturing, glue, sugar
production, tank farms, and the
petrochemical industry, where our
customers previously used screw,
gear, and progressing cavity pumps.
Rotary lobe pumps save more space
26 | FEBRUARY 2025
MPT
and are more energy-efficient and
service-friendly in comparison.
EXTREMELY PRECISE
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 hightemperature
media.
EXTENDED PERFORMANCE
The EP series offers groundbreaking
seal technology. High pressures,
extreme temperatures, and
aggressive media are all reasons
why Vogelsang worked with wellknown
manufacturers to develop two
new kinds of sealing systems that
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Modern Pumping Today February 2025

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