September 18, 2009

WALES, WI – The Sentinel Advanced Hydraulic System from FLSmidth Excel LLC offers an affordable aftermarket solution for aggregate producers and mining operators who are looking to automate their cone crusher’s clearing capabilities, while avoiding the required capital outlay of a new crusher purchase.


Manual crusher cavity clearing is a dangerous and time-consuming process, which creates additional costs due to hours of required downtime.   An automated cavity clearing system provides safe, virtually instant lift of the cone crusher’s bowl in the event of a tramp iron incident, allowing the uncrushable material to drop out of the bottom of the crusher.  In the event of uncrushable material not immediately passing, the cavity can be cleared and the producer can be back in operation in fewer than 15 minutes.  


The Sentinel Advanced Hydraulic System uses a reliable remote power unit that provides cavity clearing with the simple turn of a switch and push of a button.  Installation of the system’s tramp release cylinders requires little or no modification to the existing cone frame.  The tramp release cylinders feature unique protective boots to minimize potential damage and dust contamination to the cylinders as they work to clear the crusher cavity. 


As an additional benefit, the system provides constant clamping force between the adjustment ring and the mainframe, reducing “ring-bounce” and cutting down on related maintenance and repair costs.  And with the Sentinel system in place, the producer can adjust the cone crusher to smaller settings without the fear of it stalling.


The Sentinel Advanced Hydraulic System is currently available for retrofitting Symons® crusher models from 4-1/4 ft. through 7 ft. in diameter and 48-in. machines. 


The Sentinel Advanced Hydraulic System joins the growing family of Raptor® High-Performance Cone Crushers and automation systems, including the XL300, XL400, XL600, XL900 and XL1100 – the largest cone crusher available on the market. FLSmidth Excel has designed these machines and systems, employing the results of extensive research conducted with operator input, with the goal of keeping producers crushing at the highest production levels, in the most demanding aggregate and hard rock mining applications around the world.


FLSmidth Excel LLC is part of FLSmidth Minerals Inc., headquartered in Bethlehem, PA. The parent company, FLSmidth & Co. A/S, is based in Copenhagen, Denmark. With offices worldwide, FLSmidth Minerals supplies equipment, systems, service and support for mining, cement and aggregate operators in the material handling, flotation, crushing and grinding and pyro markets. Founded more than 125 years ago, FLSmidth has been renowned for innovative thinking and a focus on developing the best possible technological solutions. For more information, contact Fred Gross, vice president sales and marketing, FLSmidth Excel, 543 A.J. Allen Circle, Wales, WI 53183; phone: 262.968.9095; cell: 720.883.6862; fax: 262.968.9112; e-mail: or visit

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