ISO-GARD® FAMILY OF BEARING ISOLATORS
Optimize bearing life and seal in your profits

Standard Design ✔
■✔
Vertical Design ■Flangeless ✔
■✔
Grease-Purgeable ■✔
Split Pillow Block ■Garlock
S E A L I N G

T E C H N O L O G I E S®

Optimize Bearing Life with the®

Standard ISO-GARD¨ The most aggressive labyrinth in the industry,
for superior contaminant exclusion¨ Two-piece unitized construction won't comeapart during installation®

ISO-GARD Operation
Fluoroelastomer
O-RingsExpulsion ofContaminantsStator¨ Supports predictive maintenance programs
and reduces unscheduled downtime

Inclusion ofLubricants¨ PTFE material provides excellent chemical
resistance and wide temperature capability¨ Non-contact design eliminates shaft scoring,
drag and frictional heat—no lubrication required¨ Press-fit design means easy installation—
no tools required¨ Performs in accordance with NEMA MGI asrequired by IEEE Std. 841¨ Constructed of FDA-compliant, glass-filled
PTFE material†¨ Flangeless design available

ShaftDrainPort

Housing

Rotor
Expulsion
PortSpecifications
Material:
Temperature:
Surface speed:Axial motion:
Misalignmentand runout:
Pressure:

Typical Applications¨ Ideal alternative to radial lip seals in nonflooded oil, or grease applications:• Pump bearing frames • Turbines• Electric motors• Spindles• Gear boxes• Bowl mills• Blowers†

Available with FDA-compliant O-rings.

Blue, glass-filled PTFE
-40°F to +400°F(-40°C to 204°C)
To 4,500 fpm (22.9 m/s)
±0.015" (0.38 mm)±0.020" (0.50 mm)
Ambient** 5 psi for Grease-Purgeable ISO-GARD®
WARNING:
Properties/applications shown throughout this brochure are typical. Your
specific application should not be undertaken without independent study
and evaluation for suitability. For specific application recommendations
consult Garlock. Failure to select the proper sealing products could resultin property damage and/or serious personal injury.
Performance data published in this brochure has been developed from fieldtesting, customer field reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no responsibility for errors. Specifications subject to change without
notice. This edition cancels all previous issues. Subject to change without
notice.

®

ISO-GARD Bearing Isolator Family○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○®

ISO-GARD GP

Grease Purge Design¨ Versatile seal protects critical bearings in both
purging and sealed operating environments

Housing

Fluoroelastomer
O-Rings¨ Special design retains lubricants and excludes
contaminants in grease purge system¨ Grease purge is easy—no need to unseat
the seal or disassemble the equipment

Rotor
Stator¨ Patented, aggressive holding feature keeps
seal in place where you want it—in the bore

Shaft

GreasePathExpulsion
Port○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○○ ○ ○ ○ ○ ○ ○ ○®

Vertical ISO-GARD¨ Versatile seal can be oriented verticallyor horizontally; also can be reused

Fluoroelastomer
O-RingsRotor¨ Special design allows a water deluge
from above for equipment cleaning
without allowing water in bearing cavity¨ Ideal for radial lip seal applications
where optimal bearing life in mixers,agitators and other vertical applications
is desired¨ To be used as top seal only

StatorShaft

Housing®

ISO-GARD
Split Pillow Block¨ Replaces LER (labyrinth excluder ring)or Taconite seals¨ Requires no housing modifications—seals drop into existing grooves¨ Reduces lubricant loss
¨ Standard SAF and SNH pillow block
sizes available

Seal in your profits™
with Garlock KLOZURE®
bearing isolators

AUTHORIZED DISTRIBUTORWARNING:
Properties/applications shown throughout this brochure are typical. Your specific application should not be undertaken without independent study and evaluation for suitability.
For specific application recommendations consult Garlock. Failure to select the proper
sealing products could result in property damage and/or serious personal injury.
Performance data published in this brochure has been developed from field testing, customer field reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no responsibility for errors. Specifications subject to change without notice. This edition cancels all
previous issues. Subject to change without notice.
GARLOCK is a registered trademark for packings, seals, gaskets, and other products ofGarlock.
© Garlock Inc 2003. All rights reserved worldwide.

Garlock Sealing Technologies
1666 Division Street
Palmyra, New York 14522 USA
1-315-597-4811
1-800-448-6688
Fax: 1-315-597-3216

Visit the Garlock network:www.garlock.net

PRINTED IN U.S.A.

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33-4-7743-5100
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49-2131-3490
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52555-567-7011
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KLZ 2:33

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