PV016 PV032 PV046 PV080 Hydraulic Pump | Parker PV Series Piston Pump Replacement

Genlu Hydraulic proudly introduces our PV Series (PV016 / PV020 / PV032 / PV040 / PV046 / PV063 / PV080) industrial-grade, heavy-duty axial piston variable displacement pumps. Specifically engineered for open-circuit hydraulic networks powering high-tonnage machine tools, stamping/forging presses, heavy plastics injection machines, industrial uncoilers, and marine cranes, this pump line thrives under persistent hyper-high pressure profiles and demands for high dynamic control fidelity. This series offers a precision-manufactured, drop-in replacement for the iconic Parker global-standard PV series open-circuit piston machinery. We specialize in cross-referencing and supplying standard builds, notably the PV016R1K1T1N100 designation, alongside comprehensive custom control and multi-displacement options.

As the central dynamic force generator inside high-pressure fluid circuits, Genlu’s PV series conforms rigidly to international industrial installation matrices. We guarantee 100% Drop-in Interchangeability across standard SAE 2-bolt/4-bolt pilot mounting configurations, ISO/SAE drive shaft outputs (straight keyed or involute splines), standardized metric or BSP split-flange port designs, and the modular control valve matching surfaces (including standard pressure compensators, load-sensing regulators, and electro-hydraulic proportional modules). Prior to factory dispatch, every PV piston pump undergoes 100% full-load high-pressure cyclic pulsation testing, control valve dynamic frequency response logging, and cross-port internal slippage verification, assuring uncompromised efficiency and structural integrity in the field.

Technical Specifications 

• Product Line: PV Series Industrial Axial Piston Variable Displacement Pump for Open Circuits

• Core Model Designation Covered: PV016R1K1T1N100 (PV016 Frame, Clockwise Rotation, Standard Single Build, Metric Keyed Shaft, Standard Pressure Compensator Control)

• Nominal Geometric Displacement Matrix:

  • PV016 Geometry: 16.0 $cc/rev$

  • PV020 Geometry: 20.0 $cc/rev$

  • PV032 Geometry: 32.0 $cc/rev$

  • PV040 Geometry: 40.0 $cc/rev$

  • PV046 Geometry: 46.0 $cc/rev$

  • PV063 Geometry: 63.0 $cc/rev$

  • PV080 Geometry: 80.0 $cc/rev$

• Nominal Rated Operating Pressure: 350 bar (35 MPa / 5075 psi)

• Maximum Intermittent Peak Pressure: 420 bar (42 MPa / 6090 psi)

• Maximum Self-Priming Rotational Velocity: 1500 rpm to 3000 rpm (Slightly variable by frame frame size configuration)

• Available Control Module Allocations:

  • Standard Pilot Pressure Compensator (Code: K1)

  • Load-Sensing Dynamic Regulation (Code: L1)

  • Electro-Hydraulic Proportional Displacement/Pressure Regulation Matrix

• Maximum Permissible Case Drain Backpressure: 2 bar (200 kPa)

• Average Unit Structural Weight: Approx. 21 kg (PV016 footprint) up to 62 kg (PV080 footprint)

Key Technical Advantages:

• Advanced Dual-Face Hydrostatic Balance & High Volumetric Efficiency: The internal nine-piston rotating assembly and the cylinder barrel-to-port plate interface utilize advanced dual-face hydrostatic balance technology. This matrix establishes a stable, micron-scale hydrodynamic fluid film even at a continuous 350 bar load, preventing direct metal-to-metal friction and ensuring volumetric efficiency remains above 92% under harsh cyclic thermal loads.

• Fluid-Optimized Intake Channels for Superior Cavitation Resistance: The internal casting architecture is refined through finite element Computational Fluid Dynamics (CFD) analysis to expand the suction chamber and smooth out fluid directional changes. This maximizes fluid charging efficiency, suppresses localized fluid friction turbulence, and isolates the pump core from cavitation risks, keeping operating noise levels under 70 dB.

• Full-Torque Thru-Drive Engineering for Modular Multi-Stage Configurations: Features a heavy-duty thru-drive shaft arrangement capable of supporting 100% rated input torque transfer at the rear housing face. This allows engineers to tandem-mount a secondary PV016 or a complementary low-pressure gear charging pump directly onto the back of a primary PV046 or PV080 unit, enabling multi-circuit delivery from a single prime mover to save space.

• High-Response Pilot Compensator Spools for Enhanced Energy Conservation: The matching pilot compensator blocks incorporate short-travel, high-rigidity spring assemblies. The dynamic transition response time from zero-stroke standby holding to full delivery is clocked at under 40 milliseconds. This rapid compensation clips transient over-pressure spikes, eliminating excess heat rejection through system relief valves and boosting machine energy efficiency.

Application Areas:

• Heavy Duty Metal Forming & Press Machinery: High-pressure power sources for heavy industrial sheet metal press brakes, hydraulic forging blocks, and recycling scrap metal compacting shears.

• Industrial Plastics & Rubber Manufacturing: Main circuit fluid aggregates for high-pressure precision injection molding lines and multi-cavity rubber vulcanization equipment.

• Centralized Heavy Industrial Hydraulic Power Units (HPUs): Central fluid supply installations for steel plant furnace regulation, heavy-roll automation conveyor lines, and marine deck windlass winch networks.

Expert Maintenance Tips:

• Mandatory Pre-Filling and De-Aeration Before Initial Commissioning: High-pressure piston assemblies like the PV016R1K1T1N100 demand immediate lubrication across the piston slippers and cradle interfaces at startup. Before starting the prime mover, pre-fill the pump casing with clean, filtered hydraulic oil through the highest available case drain port. Jog the electric motor sequentially and let the pump idle under zero backpressure for 10-15 minutes to clear all air from the loop before stepping up the pressure load.

• Enforce Rigid Fluid Contamination Control Boundaries: Operating continuously at 350 bar requires maintaining a clean fluid film since micro-abrasives can quickly score precision clearances. Protect the system by installing 10-micron absolute-rated inline return or pressure filters, ensuring system cleanliness continuously satisfies NAS 1638 Class 8 (or ISO 4406 19/16/13) parameters. Replace spent filter elements immediately upon indicator warning.

• Isolate the Case Drain Routing Against Transient System Backpressure: The case drain line of the PV pump must route independently and directly back to the fluid reservoir, terminating safely below the minimum oil level. Never tie the case drain line into the main system return manifold or include inline check valves or standard filters along its path. Allowing case backpressure to spike past 2 bar can rupture the front shaft lip seal, causing external leaks and potential internal component damage.