Kawasaki SG02 Pilot Gear Pump for 1.5–6 Ton Mini Excavators spare parts

Short Description:

The PVD-2B-36 hydraulic pump is a high-flow high-pressure open-circuit variable axial piston pump of the PVD series, specially developed for 3–4 ton heavy-duty mini excavators.

Product Detail

Product Tags

description

The SG02 pilot gear pump adopts a high-precision double gear meshing structure and integrated one-piece pump body design, optimized for long-term continuous low-pressure stable operation of excavator pilot systems. It features stable constant flow output, low pulsation and ultra-low operating noise, effectively ensuring consistent pilot signal pressure during light-load fine operation and heavy-load high-frequency compound action switching. The high-precision alloy gear pair and high-rigidity wear-resistant floating bushings are processed by ultra-fine finishing technology, with minimal internal clearance and low friction loss, maintaining long-term stable volumetric efficiency without obvious attenuation. The built-in high-precision pressure stabilization structure suppresses instantaneous flow and pressure fluctuation, avoiding hydraulic jitter and action lag during excavator start-up, load switching and low-speed walking. Adopting advanced oil seal isolation and anti-leakage structure, it effectively solves common faults such as oil seepage and internal leakage of traditional gear pumps.

product parameters

Product Model: SG02 High-Precision Hydraulic Pilot Gear Pump
Product Type: Micro Excavator Full-Series Universal Pilot Control Pump
Applicable Equipment: 1.5–6 Ton Full-Range Mini Excavators, Matching PSVD2/PVD/PVK Main Pumps
Structural Features: Integrated One-Piece Pump Body, High-Precision Gear Meshing, Low-Pulsation Constant Flow, Anti-Leakage Sealing Structure, Compact Universal Installation
Core Material: High-Strength Wear-Resistant Alloy Gear + High-Rigidity Cast Iron Pump Body + Imported Oil Seal
Working Performance: Stable Pilot Pressure Output, Sensitive Operation Feedback, Low Noise, Low Pulsation, Strong Anti-Pollution Ability
Core Functions: Provide Stable Constant Pilot Pressure for Excavator Hydraulic Control System, Ensure Smooth and Sensitive Compound Actions
Applicable Scenarios: Municipal Fine Construction, Garden Operation, Earthwork Excavation, Long-Term Frequent Start-Stop Cyclic Operation
Matching Parts: PSVD2-17E/21E, PVD-2B-36, PVK-2B-505 Series Main Hydraulic Pumps

advantages

  • Full-Series Universal Compatibility, Wide Application: The SG02 pilot pump is universally suitable for 1.5–6 ton micro excavators, perfectly matching PSVD2, PVD, PVK series main pumps. It solves the problem of cumbersome model selection for different tonnage micro excavator pilot pumps, realizing one pump for full-range models.
  • Constant Low-Pressure Output, Sensitive Operation: Precise gear meshing and pressure stabilization structure ensure stable 25–30bar pilot pressure. The excavator travels, swings and excavates smoothly without jitter or lag, greatly improving fine operation accuracy and construction fluency.
  • Ultra-Low Pulsation and Low Noise, Comfortable Operation: Optimized gear tooth profile and clearance design reduce flow pulsation and operating noise. The whole machine runs smoothly during long-hour continuous operation, effectively improving driving comfort.
  • Strong Anti-Pollution and Durability, Long Service Life: Wear-resistant alloy gear pair and floating bushing structure adapt to complex working conditions with slightly contaminated hydraulic oil. It resists frequent start-stop impact and long-term cyclic wear, with stable performance and low attenuation.
  • Standard Plug-and-Play, Low Maintenance Cost: Fully consistent with OEM standard installation dimensions and hydraulic parameters, supporting direct replacement without modification. It shortens maintenance time and reduces long-term operation and replacement costs.

FAQ

  • Q1: What pumps and excavators does the SG02 fit for?
  • A: The SG02 is a universal pilot gear pump for 1.5–6 ton mini excavators, perfectly supporting PSVD2-17E, PSVD2-21E, PVD-2B-36 and PVK-2B-505 main pumps. It covers all mainstream domestic and imported micro excavator models in this tonnage range.
  • Q2: What symptoms indicate a faulty SG02 pilot pump?
  • A: Typical failure symptoms include slow hydraulic response, unsmooth compound actions, excavator jitter during start-up or walking, weak pilot operation, and vehicle drifting under neutral condition. Replacing the SG02 pump can fully restore sensitive control performance.
  • Q3: What is the core function of the SG02 pump?
  • A: Different from the main pump that provides digging power, the SG02 provides stable pilot control pressure. It controls the opening and closing of hydraulic valve groups to ensure coordinated and flexible operation of all excavator actions, which is the key to sensitive micro-operation.
  • Q4: Why choose SG02 universal pilot pump?
  • A: The SG02 features full-tonnage universal compatibility, stable constant pressure output, low noise and low failure rate. It avoids the trouble of multi-model stocking, with higher cost performance and more stable control effect than ordinary generic pilot pumps.
  • Q5: How to maintain the SG02 pilot gear pump?
  • A: Keep the hydraulic oil clean and replace filter elements regularly to prevent gear and bushing wear by impurities. Avoid frequent violent start-stop operations. Regularly check oil seal tightness to prevent internal leakage and pressure loss, ensuring long-term stable pilot pressure output.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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