Excavator Replacement Parts Rexroth A7VO107 Valve Plate Right R909650453 Excavator Pump Parts

Excavator Replacement Parts Rexroth A7VO107 Valve Plate Right R909650453 Excavator Pump Parts

Functions of Valve Plate

Oil distribution: Directs inlet and pressurized oil flow with cylinder block rotation to complete oil suction and high‑pressure output.

Face sealing via friction: Matches precisely with cylinder block end surface to seal piston cavities and minimize internal leakage.

High‑low pressure partition: Keeps low‑pressure suction and high‑pressure discharge sections apart to stop cross‑pressure leakage.

Shock absorption & pressure unloading: Triangular buffer grooves pre‑charge and pre‑dump pressure, lessen hydraulic shock and pressure pulses, lower noise and protect friction contact surfaces.

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