SiC-X Dry Run Resistant Bearings0 pages
Significantly increased dry-running capability!
•t Our SiC-X bearings can run dry for extended
periods — even hours!
•t Unique materials and manufacturing
•t
techniques of our specially treated SiC-X
bearings provide a coefficient of friction 1/4
that of SiC
The very low coefficient of friction of our
SiC-X bearings results in much less heat
being generated in upset or dry-running
conditions. SiC-X bearings are more
forgiving of dry-running conditions frequently
encountered at start-up, during upset
conditions or in batch services.Extremely
hard surfaces minimize wear and prolong
service life; resistance to chemicals is
maintained for extended bearing life.
SiC-X Availability
MMP/MMH/MML—Standard
MP/ML/MPH/MPT—Standard
MPL/MLL/MHL—Optional
MAXP—Optional
Preliminary Test Results
•t In multiple dry-running tests using an MP220, 1 HP unit with standard SiC bearings, noise
•t
•t
developed after a brief period of operation. On disassembly, internal damage was identified.
The same pump with the special bearing material operated over 1 hour and 45 minutes with no
unusual noise. On disassembly, there was no visible damage.
The next test involved running the same pump with the SiC-X bearing material dry for one hour
with the suction valve closed. The rear casing temperature reached 260°F. With the pump still
operating, the suction valve was then opened, allowing room temperature water to enter the
pump; continued to operate. On inspection, no damage or cracks were observed – all parts
were in excellent condition.
A test at a customer facility was inadvertently run when the suction cap used during shipping
was not removed before installation. After running dry for 10 minutes, the pump was inspected
and no damage was observed. The pump was reinstalled without the cap and operated as
expected.
COPYRIGHT 2011 MAGNATEX PUMPS INC.
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SiC-X Dry Run Resistant Bearings
Patented SiC-XSM Dry Run Resistant Bearings
tel: 713-972-8666 fax: 713-972-8665
www.magnatexpumps.com
inquiries@magnatexpumps.com