Miniature Cartridge Check Valves

Miniaturecartridgecheckvalves 10058539

The Lee Company's miniature 855 Series and 558 Series Cheks are miniature, threadless, cartridge-style check valves ideal for high volume applications.

  • Available in 5.5 mm and 8 mm diameters
  • All stainless steel construction
  • Long-term performance up to 28 Mpa (4,000 psid)
  • Flow rates are 0.4 gpm and 1.3 gpm at pressures up to 25 psi
  • Both valves are compatible with hydraulic fluids, brake fluids, fuels and oils
  • Available in forward and reverse flow directions
  • No O-rings or threads are required


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