A10VSO Control Types Explained: DR, DFR, DFR1 and More
Choosing the right control type is one of the most important decisions when selecting or replacing an axial piston pump.
Control Types at a Glance
- DR (Constant Pressure Control) — Maintains constant pressure. Ideal for variable flow demand.
- DRG (Remotely Controlled) — Pressure adjustable remotely via pilot port.
- DFR / DFR1 (Pressure and Flow Control) — Pressure limitation + load-sensing flow control.
- FE / FED (Electric Proportional Flow) — Flow set by electrical signal.
- DFE1 (P/Q Control) — Pressure and flow set electronically.
Selecting the Right Control
- Constant pressure → DR or DRG
- Load-sensing to save energy → DFR / DFR1
- Electronic flow control → FE / FED
- Full electronic P/Q → DFE1
This guide is for general reference. Always verify the full model code before ordering.
