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Nachi PVD Pilot Pump | PVD-15B-37P-9AGS | PC35-8, PC45-8, PC50UU | Hydraulic Charge Pump

Model Number

PVD, PVD-0B, PVD-1B, PVD-2B, PVD-3B, PVD-00B, PVD-15B-37P-9AGS-5599A

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Product Description

Nachi PVD Series Hydraulic Pilot Charge Gear Pump for Mini Excavators

Product Overview: The Nachi PVD series pilot gear pump is a critical auxiliary component for mini excavator hydraulic systems, primarily responsible for providing stable pilot control pressure and main pump charge flow. Featured model PVD-15B-37P-9AGS-5599A is specifically engineered for Komatsu PC35-8, PC45-8, and PC50UU models. Typically integrated at the rear of the PVD main piston pump, this unit utilizes high-precision gear meshing technology to ensure that pilot controls (joysticks) remain responsive and precise, even during cold starts or high-frequency operations.

Key Technical Advantages:

  • Stable Pilot Pressure Output: Optimized gear pair design ensures minimal pressure fluctuations across various engine speeds, eliminating operational lag and “soft” controls.

  • Superior Self-Priming & Charging: Provides continuous charge support for PVD-0B/1B/2B main pumps, effectively preventing cavitation and extending the service life of the entire hydraulic circuit.

  • Deep Integration for Komatsu PC Series:

    • PC35-8 / PC45-8 / PC50UU: Manufactured to strict Komatsu OEM specifications, including spline shaft standards, port locations, and flow slopes for a seamless drop-in replacement.

  • Wear-Resistant High-Pressure Build: Featuring high-strength aluminum alloy bodies and induction-hardened gear shafts to withstand frequent pressure spikes in the pilot system.

  • Compact Integrated Design: Minimal installation envelope, perfectly suited for the tight engine compartments of 3-5 ton class mini excavators.

Detailed Models & Parameters:

  • Core Series: Nachi PVD Series (Pilot/Charge Section).

  • Representative Models: PVD-15B-37P-9AGS-5599A, PVD-0B, PVD-1B, PVD-2B.

  • Target Equipment (Komatsu): PC35-8, PC45-8, PC50, PC50UU, PC55MR-2.

  • Pilot Pressure Rating: Typical range 3.5 – 4.5 MPa (500-650 PSI).

  • System Function: Powers joysticks, foot pedals, and main control valve pilots; provides charge oil for the main pump.


Company Profile

We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
 
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
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Our Advantages

Fast & Reliable Delivery

We optimize global logistics channels to ensure every customer receives their goods on time, anywhere in the world.

Extensive Partnerships

We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses

Strict Quality Assurance

Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.

Competitive Pricing

Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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