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Parker Engine Mobile OE: Racor Products Blog & Information - North America

Watch this Racor CCV (Closed Crankcase Ventilation) Video

August 11, 2014

By Danny Berokowitz

Racor Closed Crankcase Ventilation:

 

The Problem – Engines Releasing Pollutants Through Unfiltered Breathers.

 

Environmental concerns and legislation to control crankcase emissions have increased significantly. To further reduce the total emissions of engines, in some applications it is now necessary to close the crankcase breather system, routing these gases into the air intake system. 

 

Crankcase blow-by is produced when combustion gases under high pressure are blown passed the piston rings into the crankcase.  As these blow-by gases pass though the crankcase, they become contaminated. Racor’s Crankcase Ventilation System removes these contaminants. The exhaust can then be allowed to vent to the atmosphere. 

 

For applications requiring more stringent emissions requirements, a closed crankcase filter is necessary. In these applications, the exhaust from the crankcase filter is routed to the inlet side of the turbo. A regulator in the crankcase filter controls the vacuum in the crankcase to ensure no under or over-pressure occurs.

 

Link to CCV Brochure

 

 

 

 

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