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Pump Parts: Pistons

Flow Parts

Variable Axial Piston Pump

Variable Axial Piston Pump

Part:A-13489
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A hydraulic pump used to support controlled oil flow and pressure generation in compatible Flow waterjet pump systems. Its variable-displacement axial piston design helps regulate hydraulic output during pump operation, supporting consistent intensifier cycling, stable system response, and efficient transfer of hydraulic power. This pump is typically replaced when hydraulic output becomes inconsistent, pump response slows, or internal wear begins affecting pressure stability.

Related products:

  • Variable Axial Piston Pump Seal Kit (A-14261) — provides sealing components commonly serviced with variable axial piston pump maintenance.
  • Variable Axial Piston Pump 3000 PSI (A-9779) — related hydraulic pump assembly for 3,000 psi pump circuits.
  • Relief Valve Assembly Manifold (041403-2xx) — protects the hydraulic circuit from excess pressure and pump spikes.
  • 6 Micron Filter 13 Inch Long (A-11367) — helps keep hydraulic oil clean before it reaches pump internals and control valves.
  • Proportional Valve Manifold Pump Assembly (A-14612) — supports hydraulic control and flow management within the pump assembly.

Service tip: When replacing a variable axial piston pump, inspect hydraulic oil condition, filters, pressure settings, and manifold valves before restart. Contaminated oil or unstable relief pressure can shorten pump life and cause repeat hydraulic performance issues.

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