Parker Hydraulic Group
6C Series Check Valves

Series 6C check valves provide free flow in one direction and dependable shut-off in the reverse direction.


  • When pressure going through the valve is increased to the cracking level, the valve opens. When the pressure is reduced to below the cracking level, the valve closes.

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  • Meets ISO 6149 standards
  • Hard metric dimensions.
  • Reliable leak-free performance — straight thread port with o-ring sealing.
  • Global interchangeablility.