Nachi PVD-1B Hydraulic Pump | PVD-1B-32P, PVD-1B-23L | Mini Excavator Main Pump
| Model Number | PVD-1B-23L3-7G-2232B, PVD-1B-32P-11G5-4665C |
|---|
Product Description
Nachi PVD-1B Series Mini Excavator Main Hydraulic Pump
Product Overview: The Nachi PVD-1B series is a high-performance axial piston pump range specifically engineered for 1-3 ton mini excavators. Featuring a compact single-shaft multi-pump design, the PVD-1B integrates two variable displacement piston pumps with one or more gear pumps in a single housing. This allows for precise power distribution to the excavator’s travel, swing, and attachment circuits simultaneously. Models like the PVD-1B-32P and PVD-1B-23L are recognized as industry standards, providing exceptional multi-function coordination and long-term reliability for mini-excavator brands worldwide.
Key Technical Advantages:
Highly Integrated Multi-Pump Design: Integrates dual variable piston pumps within a minimal footprint, enabling smooth simultaneous operations such as “traveling while lifting,” significantly boosting productivity.
Precise Power Matching: Optimized control logic ensures the pump’s output power matches the engine’s performance curve, delivering maximum breakout force while minimizing fuel consumption.
Superior Durability & Contamination Resistance: Engineered for harsh construction environments, featuring reinforced bearings and specialized valve plates to maintain peak volumetric efficiency even under continuous heavy loads and dusty conditions.
OEM-Grade Compatibility: Widely adopted by major mini-excavator manufacturers. Specific model codes like PVD-1B-32P-11G5-4665C and PVD-1B-23L3-7G-2232B ensure a perfect match for mounting dimensions, port layouts, and spline specifications.
Detailed Models & Parameters:
Core Series: Nachi PVD Series (PVD-1B).
Representative Models: PVD-1B-32P-11G5-4665C, PVD-1B-23L3-7G-2232B.
Application Range: 1.5t to 3.0t mini excavators.
Operational Pressure: Rated pressure up to 21-25 MPa.
Pump Configuration: Dual piston pumps + Integrated gear pump(s).

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