Particle Quantities
The table below provides typical values for the number of particles (mg) under 10 micron per hour per GPM (N10) produced by hydraulic components of a given material.
Component
Material
Particles (N10)
Piston Pump
Steel
1.7
Gear Pump
Steel
1.9
Vane Pump
Steel
0.6
Cylinder
Steel
0.8
Sliding Action Valve
Steel
0.04
Hose
Rubber
0.13