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Warranty (Linear Actuator, Rotary Unions and Acme & Ball Screws and Nuts)

Subject to the conditions stated herein, Duff-Norton will repair or replace, without charge, any parts proven to Duff-Norton's satisfaction to be defective in materials or workmanship. Claims must be made within one year, except Series 9000, 8000, and 4000 Series.

Duff-Norton will not repair or replace any parts that become unusable and show clear evidence of improper maintenance, eccentric loading, overloading, excessive heat, chemical or abrasive wear, tampering or abuse. Equipment and accessories not manufactured by Duff-Norton are warranted only to the extent the manufacturer warrants them, and only if the claimed defect arose during normal use, application and service. Equipment that has been altered or modified by anyone without Duff-Norton's authorization is not warranted by Duff-Norton. Except as stated herein, Duff-Norton makes no other warranties, express or implied including warranties of merchantability and fitness for a particular purpose.

LIFETIME WARRANTY (SCREW JACKS)

Subject to the conditions stated herein, Duff-Norton will repair or replace, at its option, to the original purchaser without charge, any parts proved to Duff-Norton's satisfaction to have been defective in material or workmanship. Duff-Norton will not repair or replace any parts that become inoperative because of normal repair or modification, improper installation, eccentric loading, overloading, chemical or abrasive action, excessive heat, or other abuse.

Equipment and accessories not to Duff-Norton's manufacture are warranted only to the extent that they are warranted by the manufacturer, and only if the claimed defect arose during normal use, applications and service. EXCEPT AS STATED HEREIN, DUFF-NORTON MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

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Guide to choosing the right linear actuator
Guide to choosing the right linear actuator