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Steel Breathers
Seventy five percent of hydraulic system failures are caused by contaminated fluids.
In any reservoir containing a fluid, air is breathed in and out as operating temperatures change, or as a tank is filled and emptied. The problem with a simple breather cap is that it allows abrasive contaminants and water to enter the tank.


The Des-Case breather is a unique, patented air filter and water vapor removal system. The units are inexpensive and simple to install. They eliminate the problems that result from contaminated air.

Benefits with Des-Case.
. Eliminates of water contamination of the oil or other fluids.
. Eliminates of rust and corrosion inside the container.
. Increases oil and filter life.
. Reduces abrasive wear, down-time, and repair costs.
. Improves lubricant performance.
. Eiminates of chemical reactions, or spoilage.
. More reliable equipment performance.
. designed for Severe Operating Conditions.

Documentation of New STEEL unit
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The steel breathers were designed specifically for applications where there are very high temperatures, extremely dirty air, or a corrosive environment. They are ruggedly designed, with housings of epoxy coated carbon steel or stainless. The hygroscopic agent (desiccant) is enclosed in a bag of polyester filter material. This desiccant bag filter is easily installed when it is time to replace or recharge the unit.

The 1-micron pleated filter has a very large surface area, resulting in long service life. Like the bag filter, it is easily replaced without removing the breather from service.

AirFlow Capacity.
The steel breathers accommodate large air flow rates with minimal pressure drops. Fo maximum air flow, multiply the data "Flow Rate at 0,5 PSI" by about 28 to obtain the value in L/mn.

Adsorption Capacity.
Multipled the data "Approx Dry Weight, in Kg" per 2, to have the average amount of water that the unit can stop.

Mounting Methods.
Since all Des-Case Steel Breathers are designed with standard NPT pipe threads for mounting, these units can be installed in nearly any application with reducers, adaptors, etc., available at any local plumbing or hardware supply.

Parts and Accessories.

Old units (Replace elements still available)