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If you suffer from painful shaft
sealing problems like axial shaft motion, thermal growth,
repetitive pressure-vacuum cycles, and harsh chemical
environments, it’s time to call the MECO-DR. The MECO-DR
is a patented driving mechanism, for use in Meco shaft
seals. The MECO-DR allows the rotating seal faces to
compensate instantly for axial shaft motion, without
affecting seal face loading. And the MECO-DR retains
all of the superior characteristics of original MECO
elastomer-drive seals:
- Fully-split designs
- High (1/4” and more) runout/ misalignment
tolerance
- No internal springs to corrode or
break
- Economical, on-site rebuilds
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Developed for Moyno® progressing cavity pumps, the MECO-DR
is now available for mixers, blenders, reactors, dryers
and other process machinery. The seal is spring-loaded
from the outside, so that seal face pressures are constantly
adjusted to compensate for wear of the sacrificial seal
faces. The MECO-DR can withstand punishing abrasives and
keep on running, long after conventional seals have failed.
The MECO-DR is available as a design feature in new MECO
seals, and also as a retrofit for some existing EAS, MECO-PAC
or EX-PAC seals.
Moyno® is a registered trademark of Robbins & Myers, Inc.
Designed for Performance; Customized for
Your Needs
MECO-DR stuffing box
insert seals for Moyno® pumps
When Robbins & Myers Corporation
asked MECO to deliver a mechanical seal that would last
as long as their rotor/stator combination in abrasive
slurry service, the MECO-DR was born. Three years of
development and field testing produced a robust seal
that outlasts two and more sets of pumping elements
in extremely abrasive applications.
Utilizing massive cross sections of high-tech wear material,
the MECO-DR doggedly withstands determined assaults
from kaolin paper coating, sheetrock mud, hazardous
waste, and even white chocolate confectioner's frosting.
The MECO-DR survives vacuum conditions and pressure
spikes without complaint. Available in pneumatically-loaded
or spring-loaded configurations, the seal constantly
adjusts itself for sacrificial face wear, and recovers
quickly from pressure surges which would devastate lesser
seals.
Often, mechanical seal installations seem like delicate
surgical procedures. The MECO-DR is built to be installed
and operated by ordinary human beings: installation
is simple, and the sacrificial seal faces can be freely
handled - even dropped - without damage. The seal's
faces even withstand hammer blows during installation.
Call your MECO distributor for more information on how
you can extend your PC pump service life with the MECO-DR.
Product Literature
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