Thordon Ecuador: VERTICAL PUMP BEARINGS
www.hrodas.net
www.hrodas.net
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THORDON MATERIAL SELECTION GUIDE<br />
FOR <strong>PUMP</strong> BEARING APPLICATIONS<br />
Parameter<br />
Description<br />
Temperature<br />
Limit<br />
Suitable for<br />
Dry Start Up<br />
Resistance to<br />
Acids<br />
Resistance to<br />
Alkalies<br />
Suitable for<br />
Hydrocarbons<br />
Abrasion<br />
Resistance<br />
Installation<br />
Clearance<br />
Shaft Sleeve<br />
Material<br />
Lubrication<br />
Remarks<br />
XL<br />
Elastomeric<br />
Polymer Alloy<br />
SXL<br />
Elastomeric<br />
Polymer Alloy<br />
<strong>Thordon</strong> Grades<br />
Composite<br />
(GM2401)<br />
Elastomeric<br />
Polymer Alloy<br />
PT80<br />
Elastomeric<br />
Polymer Alloy<br />
ThorPlas-<br />
Blue<br />
Engineered<br />
Thermoplastic<br />
ThorPlas-<br />
White<br />
Engineered<br />
Thermoplastic<br />
60°C (140°F) 60°C (140°F) 60°C (140°F) 80°C (176°F) 80°C (176°F) 80°C (176°F)<br />
NO YES** NO YES** YES** YES**<br />
Limited Limited Limited Fair Good Good<br />
Limited Limited Limited Fair to Good Fair Fair<br />
YES YES YES YES YES YES<br />
Good Better Best Better Acceptable Acceptable<br />
Medium<br />
Bronze,<br />
Stainless Steel<br />
Water,<br />
Seawater,<br />
Most Fluids<br />
(pH 5-10)<br />
Good<br />
balance<br />
between<br />
abrasion<br />
resistance<br />
and medium<br />
level of<br />
friction<br />
Medium to<br />
Low<br />
Bronze,<br />
Stainless Steel<br />
Water,<br />
Seawater,<br />
Most Fluids<br />
(pH 5-10)<br />
Low friction;<br />
Suitable for<br />
dry start-up;<br />
Good<br />
abrasion<br />
resistance<br />
Higher<br />
Ni-Cr-B<br />
Recommended<br />
Water,<br />
Seawater,<br />
Most Fluids<br />
(pH 5-10)<br />
For use<br />
in highly<br />
abrasive<br />
operating<br />
environments<br />
Medium to<br />
Low<br />
Bronze,<br />
Stainless Steel<br />
Water,<br />
Seawater,<br />
Most Fluids<br />
(pH 3-11)<br />
Suitable<br />
for higher<br />
temperatures<br />
up to 80°C<br />
(176°F);<br />
Low friction;<br />
Suitable for<br />
dry start-up;<br />
Good<br />
abrasion<br />
resistance<br />
Lowest<br />
Bronze,<br />
Stainless Steel<br />
Water,<br />
Seawater,<br />
Most Fluids<br />
(pH 3-11)<br />
Lowest<br />
friction.<br />
Good for<br />
low abrasion<br />
applications<br />
and for use at<br />
temperatures<br />
and in<br />
chemical<br />
solutions<br />
unsuitable<br />
for <strong>Thordon</strong><br />
elastomers<br />
** For dry start up times longer than 30 seconds, please contact <strong>Thordon</strong> Engineering for grade selection.<br />
Lowest<br />
Bronze,<br />
Stainless Steel<br />
Potable Water<br />
NSF<br />
International<br />
Certification<br />
for NSF/<br />
ANSI 61<br />
Drinking<br />
Water System<br />
Components<br />
Note: For Nuclear use, Quality Control certificates including certified test reports can be supplied. <strong>Thordon</strong> Bearings Inc. operates<br />
under the provision of 10 CFR21.<br />
ZERO POLLUTION | HIGH PERFORM<br />
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