Parker PVP33 Series Piston Pump | PVP3336, PVP3330, PVP3336K9 | Variable Hydraulic Pump
| Model Number | PVP33, PVP3336R221, PVP3330R21, PVP3336K9R221, PVP3336K9R29B421 |
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Product Description
Parker PVP33 Series Axial Piston Variable Displacement Pump
Product Overview: The Parker PVP33 series is a high-performance, swashplate-type axial piston pump engineered for Open Circuit industrial hydraulic systems. This range is extensively utilized in metal-forming machine tools, injection molding machinery, recycling equipment, and various industrial power units (HPUs). Featuring an exceptionally rugged heavy-duty cast-iron housing, the PVP33 series provides superior fatigue resistance and effectively dampens hydraulic vibrations, delivering operating pressures up to 210 Bar with quiet-running excellence. Core models such as the PVP3336R221 and PVP3330R21 are renowned for their rapid response and volumetric efficiency.
Key Technical Advantages:
Precise Compensator Control (K9/R2): Equipped with high-sensitivity pressure compensators. Models like the PVP3336K9R221 and PVP3336K9R29B421 instantaneously modulate flow based on demand, automatically de-stroking at preset pressures to drastically reduce energy consumption and system heat.
Heavy-Duty Wear Resistance: The high-strength cast iron body is reinforced for demanding industrial environments. Precision heat-treated rotating groups ensure stable output even under continuous duty cycles, significantly extending maintenance intervals.
Quiet Flow Path Design: Parker’s proprietary noise-reduction technology minimizes pressure pulsations, making the PVP33 the preferred choice for environments with strict decibel requirements, such as precision workshops and laboratories.
Flexible Mounting & Interchangeability: Available with a wide array of shaft options (Keyed/Splined) and rotations. Whether for OEM replacement or new system integration, the PVP33 offers perfect mechanical compatibility, drastically reducing maintenance downtime.
Specific Models & Technical Parameters:
Core Models: PVP33 Series (PVP3330, PVP3336).
Detailed Config Codes: PVP3336R221, PVP3336K9R221, PVP3330R21, PVP3336K9R29B421.
Displacement: 33 cm³/rev (33cc).
Pressure Specifications: Rated operating pressure 210 Bar (21 MPa / 3000 PSI); Peak cycles up to 250 Bar.
Control Methods: Pressure Compensator, Load Sensing, Remote Pressure Compensation.




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