All About Elevator Jacks

A view from under the elevator car of an in-ground jack.
A view from under the elevator car of an in-ground jack with the piston extended.

When it comes to many elevator applications, especially for buildings between 2 and 5 stories, you will find a hydraulic jack is a common, yet crucial part of the system that drives the elevator up. As a matter of fact, approximately 70% of all elevators installed are hydraulic in nature and contain jacks.  The jacks are part of a system that includes hydraulic fluid, tanks, motors, and pumps with the jack being the final piece of the system.  So, understanding the basics of the elevator jack is crucial if you are considering buying a new elevator or modernizing the jacks in an existing elevator.

Depending on the system you have, the distance your elevator travels, and the space available, you have several options available.

Click here for an explanation of each kind of elevator jack. 

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