CAT SEALS®

DESIGNED TO HANDLE TOUGH Environments

Metal Face Seals

For more than 60 years industrial original equipment
manufacturers and equipment users have turned toCat® seals to protect their components from extreme,abrasive, and corrosive environments. Caterpillar
is the leading manufacturer of metal face seals
providing the best solutions for tough applications.
Cat seals innovative designs and engineering protect
a broad range of equipment and machinery working
in adverse conditions such as mud, rock, sand,chemicals, water, heat and cold.
Cat seals are proven to provide long service life withlow maintenance resulting in increased equipmentup time, productivity and customer satisfaction.
Caterpillar offers Cat Duo-Cone™ and Heavy Duty
Dual Face seals. Both designs use various elastomeric load rings and various seal ring materials.
Cat Duo-Cone seals require less space radially andHeavy Duty Dual Face seals require less spaceaxially in a housing. Cat Duo-Cone seals incorporate
a round toric while Cat Heavy Duty Dual Face seals
have a trapezoidal Belleville Washer.

Serving Your Industry• Agriculture• Forestry• Material Handling• Mining• Scrap Recycling• Waste• Construction• Industrial• Military• Petroleum• Tunneling• And many more industries

Performing in Your Application• Axles• Drill Heads• Final Drives• Mobile Track Systems• Idlers• Mining Equipment• Pumps• Rollers• Boring Cutters• Undercarriages• And many more applications

Protecting Products for Long Life

Cat seals provide protection for internal working
components, like bearings and gears, in abrasive
applications and permit the use of oil as a lubricant
instead of grease resulting in less friction and longer
life. In most applications, the lubricant installed at thefactory is permanent with no periodic lubrication oradjustment required.
Unscheduled equipment down time is very costly.
Cat seals provide superior performance in extreme
applications where lubricant retention and protection
from damaging surroundings are essential. Years ofproven field experience has shown Cat seals provide
long life in many applications. Manufacturers in avariety of industries have utilized Cat seals in theirequipment for decades.

Supplying Quality

We know quality is important to you and we takepride in supplying our customers highly reliableand durable products. Caterpillar laboratories areequipped with the latest technologies and testingprocedures for development and validation of newseal designs. The manufacturing quality of Cat seals
is ensured by our ISO 9001: 2008 accreditation.

Offering a Wide Variety ofSealing Options

We offer a complete line of Cat seals from 25 mm
to 940 mm (1 inch to 37 inches) to serve your needs
and we design new seals to address customers
needs. We offer a variety of load ring and metal ringmaterials to satisfy your application requirements
including our exclusive C6 material with superior
corrosion resistance.
(See tables on back of brochure)

Availability & On-time Delivery

Cat seals are manufactured in Caterpillar facilities
around the globe, enabling us to offer more variety
and size options to best serve your needs. Our
global supply network provides you the availability
and on time delivery you require to run yourbusiness efficiently.

Customer Service &Problem Solver

Our courteous and knowledgeable Representatives
are available for you. We listen to understand yourneeds and take action to support your business.
Experienced Caterpillar Engineers are available
to evaluate your sealing requirements, work withyour Engineering personnel and recommend thesealing solution to best address your needs. Yourapplication information is critical to understand thedemands of the system to be protected. Please visit
our web site to complete an application data sheet
to get started today.

For more information on Cat seals
www.cat.com/cat-seals

See seals and material tables on the back of brochureCat® Duo-Cone™ Seal

Cat® Heavy Duty Dual Face Seal

Metal Seal Ring Material Attributes
C6Material
Nickel-Alloy
ProcessCastWear LifeHighCorrosion ResistanceHigh
Scoring ResistanceHigh

Stellite

Iron-Alloy
CastHigh
Medium/HighLow(Additional seal ring materials available)

NiHardFormedIron-AlloyCast
Low/Medium
Low/Medium
Medium/High

SAE 1074
StampedLow
MediumLow

Nonmetallic Load Ring Material Attributes
Min Temp. ( C/ F)
Max Temp. (oC /oF)
Tear ResistanceAbrasion ResistanceOil Resistance
Water ResistanceooNitrile Low-Temperature Nitril Silicone-17/1
100/212
MediumMediumMediumSuperior-35/-31100/212
MediumMediumMediumSuperior-55/-67
150/302Low
Low
Low
Superior

Hydrogenated NitrileFluoroelastomer-40/-40
135/275
HighHigh
High
Superior-7/20
160/320
MediumMediumSuperior
Medium(Additional load ring materials available)

WEDE1239 (01/15)© 2015 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, BUILT FOR IT, their respective
logos, “Caterpillar Yellow”, the “Power Edge” trade dress as well as corporate and productidentity used herein, are trademarks of Caterpillar and may not be used without permission.