Press Release
FOR IMMEDIATE RELEASE
MOTOR SHAFT GROUNDING BOOSTS RELIABILITY
OF HVAC/R SYSTEMS
 MECHANIC
FALLS, ME - The new AEGIS SGR™ Conductive MicroFiber™ Shaft Grounding
Brush from Electro Static Technology improves the reliability of
HVAC/R systems by dramatically extending motor life. By protecting
bearings from electrical damage for the life of the motor, the AEGIS
SGR prevents bearing noise and costly motor repairs and downtime.
It is ideal for OEM motor and fan manufacturers, repair shops, HVAC
service contractors, and in-house maintenance departments and can
be easily installed as part of a preventive maintenance program.
Detailed technical information is available at www.est-aegis.com.
When AC motors, commonly used in HVAC/R systems to drive fans,
air pumps, chillwater pumps, compressors, and other air-handling
equipment, are employed with variable frequency drives (VFDs), currents
are induced on the motor shafts. Without a grounding device, these
currents typically discharge through the motor bearings, causing
frosting, pitting, fusion craters, and fluting. This damage can
lead first to noise that travels throughout a building's ductwork,
then to motor failure, and finally to failure of the entire HVAC/R
system. By safely channeling harmful shaft current away from the
motor bearings to ground, the SGR prevents electrical bearing damage,
and the noise and motor failures it causes.
AEGIS SGR is easily installed by sliding the brush over either
end of the motor shaft and locking it in place with simple screw-on
mounting brackets. Because no machining is required, the SGR can
be installed in minutes - even in the field.
Unlike conventional shaft grounding brushes, which wear out quickly
and lose their effectiveness, AEGIS SGR's conductive microfibers
work with virtually no friction or wear and last for the life of
the motor, with no RPM limitations. Maintenance-free, the AEGIS
SGR is unaffected by dirt, grease, or other contaminants and provides
the longest-lasting protection available.
The SGR is available in standard sizes to fit most AC motors ranging
from 1 to 1500 HP with a full parts list available to download at
www.est-aegis.com/sgr-chart.htm
Electro Static Technology is the global leader in the elimination
and/or mitigation of induced electrical charges on rotating and
moving surfaces. Electro Static Technology is a division of Illinois
Tool Works (ITW), a $10 billion multinational conglomerate operating
in 44 countries.
For more information, contact: Adam Willwerth, Sales and Marketing
Manager, Electro Static Technology, 31 Winterbrook Road, Mechanic
Falls, ME 04256, Toll-Free: 1-866-738-1857, TEL: (207) 998-3493,
FAX: (207) 998-5143, sales@est-aegis.com,
www.est-aegis.com.
Contacts:
Sales:
Adam Wilwerth
Sales and Marketing ManagerUSA
Phone: 207-998-3493
FAX: 207-998-5143
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