Advanced Crankcase Ventilation


Solberg engineers and manufactures Closed Crankcase Ventilation Filters (CCV Filters). Our high-performance crankcase ventilation filters capture engine blow-by, which can contain hazardous oil mist and particulate emissions.  

Solberg’s Advanced Crankcase Ventilation Filters and Systems (ACV Series):

  • Ensure environmental compliance
  • Prevent dangerous emissions from escaping 
  • Reduce oil consumption 
  • Protect the engine’s turbocharger, intercoolers, and inlet air filters

Our ACV Series incorporates industry-leading vacuum control technology and offers an exceptional filter life. We offer five different filter sizes, which include a standalone unit or a complete installation kit. Customized kits are available to make installations easier.

Contact us for more information on our crankcase ventilation filters and custom kits. We are happy to guide you to the right filtration products for your application.

  • Overview
  • Product Documents
  • Case Studies


  • Eliminates visible emissions (99%+ efficient at 0.3 um)
  • High performance coalescing elements offer long life
  • Flow ranges from 2 - 40 CFM (3 - 68 m3/hr) for single units
  • Integrated vacuum control valve controls precise range of vacuum
  • Diaphragm vacuum regulation valve design, no springs - No manual vacuum adjustment required
  • Drain port for oil recovery
  • Universal mounting bracket
  • Available with installation kits
  • Optional atmospheric bypass


  • Prime Power Engines
  • Standby Generators
  • Emergency Generators
  • Marine Engines
  • Gas Engines
  • Hydrogen Engines
  • Diesel Engines
  • Dual Fuel Engines
  • Biogas/Digester Gas Engines
  • CHP Applications





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