Chemical Engineering July 2022 - 52

CP Pumpen
ment system (photo) consisting of a
radial shaft-seal ring (RSSR), which
uses a pressure or leakage detector
for monitoring. It is able to withhold
pressures up to 16 bars with a rotating
shaft up to 3,600 rpm and for
temperatures ranging from -80 up to
250°C. The secondary barrier option
is available for both close-coupled
or frame-mounted designs. It provides
an additional safety feature and
makes the magnetic-drive pumps
suitable for safety-critical applications
with additional requirements
for a secondary containment. Hall
8.0 Booth F28 - CP Pumpen AG,
Zofingen, Switzerland
www.cp-pumps.com
Improved ball valve with
enhanced security features
The 543 Pro ball valve (photo) is used
for mixing and distribution in water
treatment, chemical and pharmaceutical
processes. On a mechanical level,
the three-way ball valve increases
safety with a new lever that prevents
unintentional operation thanks to a
locking ring. For an extra layer of security,
a padlock can also be fitted
in order to protect the valve against
unauthorized usage. These improvements
enable safe and uninterrupted
operation of piping systems. Another
new feature for the 543 Pro is the addition
of new stems with a predefined
breakpoint between the actuator and
ball valve. In the event of a blockage
within the system, the breakpoint ensures
that only the stem has to be
replaced, rather than the entire ball
valve. This reduces downtime and
saves costs. Hall 8.0 Booth E64 -
Georg Fischer Piping Systems Ltd.,
Schaffhausen, Switzerland
www.gfps.com
Metering pumps for highGeorg
Fischer Piping Systems
pressure, low-viscosity fluids
As part of this company's Pulseless
Flow range of high-precision gearmetering
pumps, the SPLV model
(photo, p. 53) has been designed to
pump low-viscosity fluids, including
acids, solvents, resins and water, even
under high pressure while maintaining
constant levels of speed and accuracy
throughout the process. Pulseless
Flow pumps are built around
hardened steel involute gears that
are machined to precise tolerances of
one or two microns. This results in extremely
small, controlled clearances
between the gear and mating components,
ensuring almost no internal
slip even at high pressures. This level
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Chemical Engineering July 2022

Table of Contents for the Digital Edition of Chemical Engineering July 2022