Contaminant Rates
The table below provides sample contaminant rates per gram/gpm for various components.
Component
Contaminant Rate
Gear Pump
7.5 g/gpm rated flow
Vane Pump
25.0 g/gpm rated flow
Piston Pump
6.8 g/gpm rated flow
Directional Valve
0.008 g/gpm rated flow
Cylinder area
3.2 g/in squared swept