Chemical Engineering May 2012 - 32

Almatec Maschinenbau
KNF Neuberger
Focus
These pumps primarily serve
high-purity applications
Quattroflow positive displacement
(PD) pumps (photo) incorporate
a four piston-diaphragm technology
with no mechanical seals that is
driven by an eccentric shaft and motor.
Available for multiple and single-use
applications, Quattroflow PD pumps
primarily serve the pharmaceutical
and biotechnology industries that require
high containment, purity and
cleanability, and are best known for
transferring shear-sensitive media of
aqueous solutions and biological products
without damage. Quattroflow
pumps feature wetted housing parts
constructed with electro-polished
316L (Basel Standard II, ferrite content
<1%) stainless steel, while the
valves are made of EPDM and the diaphragms
of EPDM/PP compound. The
Quattroflow product line consists of
four sizes - QF150, QF1200, QF4400
and QF20K - with capacities of 2.6 to
333 L/min (0.7 to 88 gal/min). - Almatec
Maschinenbau GmbH, an operating
company within Dover Corp.'s
PSG, Kamp-Lintfort, Germany
www.almatec.de
A micro-diaphragm pump for
high-pressure applications
The new KNF Type NF1.25 microdiaphragm
pump (photo) introduces
a high-pressure solution for dosing or
transferring liquids or liquid-gas mixtures
at flowrates up to 300 mL/min.
This small and powerful pump is engineered
to operate either intermittently
or continuously against pressure up to
6 barg (87 psig) over the pump's entire
lifetime. Versions can be specially developed
to handle even greater pressure
up to 10 barg (145 psig). Typical
applications include analyzers, cleaning
and disinfectant devices, water
treatment systems, fuel cells and
semiconductors. These pumps are selfpriming,
can run dry, and require virtually
no maintenance over a long lifetime,
says the manufacturer. They offer
chemical resistance, and most neutral
and aggressive liquids can be handled
without risk of corrosion or other damage.
Specialized complementary accessories
can be supplied, including an innovative
anti-vibration mounting plate
with the capability to dramatically
reduce vibration levels and audible
noise. Pumps can be mounted in any
position. - KNF Neuberger GmbH,
Freiburg-Munzingen, Germany
www.knfoem.com
■
Dorothy Lozowski
Circle 12 on p. 61 or go to adlinks.che.com/40267V
O
M
I

http://www.almatec.de http://www.knfoem.com http://adlinks.che.com/40267

Chemical Engineering May 2012

Table of Contents for the Digital Edition of Chemical Engineering May 2012

Contents
Chemical Engineering May 2012 - Cover1
Chemical Engineering May 2012 - Cover2
Chemical Engineering May 2012 - Contents
Chemical Engineering May 2012 - 2
Chemical Engineering May 2012 - 3
Chemical Engineering May 2012 - 4
Chemical Engineering May 2012 - 5
Chemical Engineering May 2012 - 6
Chemical Engineering May 2012 - 7
Chemical Engineering May 2012 - 8
Chemical Engineering May 2012 - 9
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Chemical Engineering May 2012 - Cover3
Chemical Engineering May 2012 - Cover4
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