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Patented Nitroil Control System Solves Severe Crushing Problems, Prevents Tramp Metal Damage


A Gundlach Crusher with Nitroil Control System,
one of Gundlach's most popular crusher innovations

Belleville, IL -- Gundlach’s patented Nitroil Control System solves two of the toughest problems encountered in severe crushing applications.

First, the Gundlach Nitroil System prevents damage when tramp or uncrushable material enters the crusher.

Second, the Nitroil System enables the equipment to withstand the greater forces required when material being crushed requires high compressive forces.

Gundlach's Nitroil provides an added benefit with its the ability to adjust the roll gap (product size) while the crusher is running.

Nitroil's "Gas Spring" Adjusts Rolls in a Fraction of a Second


Schematic of the Nitroil Adjustment Assembly piping

A measured amount of oil is pumped to the rod side of adjustment cylinders providing roll gap adjustment on upper or lower stages to control product size. Inert gas pressure is applied to the cap side of the cylinders creating a gas spring. Only enough pressure is applied to hold the adjustable roll in place to crush the material.  You can adjust pressure from 100 PSI to 1,000 PSI.

When foreign material enters the rolls, the adjustable roll kicks back by compressing the gas to allow the foreign material to pass and then returns the roll to its original setting. Time for this movement to open and return is a fraction of a second.

The Gundlach Nitroil System reduces vibration and wear on the gearbox and prevents screw/nut adjustment freeze-up. The Nitroil System offers up to 5" roll relief for passing foreign material.

More Information

For more information, contact Gundlach Equipment Corporation, One Freedom Drive, Belleville, Illinois 62226 USA. Send mail to Gundlach Equipment Corporation, P.O. Box 385, Belleville, Illinois 62222 USA. Toll free Telephone from the USA and Canada: 877-486-3522. Telephone Worldwide: +1-618-233-7208. Fax: +1-618-233-6154. Visit us on the World Wide Web at www.gundlachcrushers.com

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Gundlach Equipment Corporation
One Freedom Drive, Belleville, Illinois 62226
Toll-Free: 877-GUNDLACH | Phone: 618-233-7208