HPV116 Hydraulic Pump for Excavator spare parts

Short Description:

 HPV95 hydraulic pump spare parts are high-precision aftermarket full-range repair accessories tailored for HPV95 closed-loop variable piston pumps, belonging to the medium-large displacement heavy-duty series of HPV closed-circuit pump families.

Product Detail

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description

As a large-displacement heavy-duty upgraded model of the HPV series, the HPV116 closed-loop piston pump has significantly larger flow output, higher system working pressure and stronger load impact compared with HPV95, posing stricter requirements on the wear resistance, structural rigidity and fatigue resistance of rotating group components. HPV116 hydraulic pump spare parts are comprehensively upgraded for super-heavy load extreme working conditions, with core friction pair components adopting high-strength thickened alloy steel matrix + high-density anti-wear copper alloy cladding composite process. The cylinder block undergoes integral quenching and tempering treatment and secondary stress relief to eliminate internal structural stress, matched with ultra-precision mirror lapping to form stable micron-level clearance fit with the valve plate, fundamentally suppressing internal leakage growth under long-term ultra-high pressure continuous operation. The thickened and enlarged piston-shoe assembly optimizes friction contact area, effectively reduces high-flow circulating friction loss, and maintains stable lubrication and anti-wear performance under frequent extreme load switching.

product parameters

Product Model: HPV116 Hydraulic Pump Spare Parts
Product Type: Large-Flow Pump Rotating-Group Wearing Parts & Super-Heavy-Duty Repair Components
Applicable Equipment: Super-large wheel excavators, heavy-duty large loaders, industrial pavers, special super-heavy hydraulic engineering machinery equipped with HPV116 closed-loop variable piston pump
Included Components: Thickened cylinder block, piston-shoe assemblies, valve plate, retainer plate, high-rigidity center shaft, full high-pressure seal kit, servo-control spool, charge pump gear and all auxiliary wearing parts
Core Material: High-strength thickened wear-resistant alloy steel, high-density anti-wear copper alloy cladding layer, high-pressure & high-temperature resistant anti-aging composite seal material
Processing Craft: Integral vacuum heat treatment, secondary stress relief, ultra-precision mirror grinding, high-precision asymmetric flat lapping, fully compliant with OEM micron tolerance standards
Core Functions: Replace worn failure components, restore pump original volumetric efficiency, rebuild ultra-high pressure & large-flow stable output, eliminate abnormal noise, jitter and oil leakage faults
Applicable Scenarios: Professional large pump full overhaul, local component damage repair, severe friction pair wear replacement, long-term super-heavy-duty pump performance recovery
Matching Parts: Fully compatible with original HPV116 pump housing, servo control mechanism and charge pump assembly

advantages

  • OEM Micron-Level Precision, 100% Full Interchangeability: All HPV116 spare parts are strictly manufactured in accordance with original factory micron-level size, flatness and tolerance standards. No on-site cutting, grinding or modification is required, with ultra-high fitting accuracy and zero assembly error risk, fully compatible with original pump assembly parameters.
  • Super-Heavy-Duty Upgraded Process, Extreme Wear & Fatigue Resistance: Aiming at the ultra-high pressure and strong impact characteristics of HPV116 large-displacement pumps, friction pairs adopt thickened alloy matrix + high-density cladding and secondary stress relief process, which greatly reduces high-load friction loss and structural fatigue, effectively delaying secondary wear and extending the overall service life by more than 30% compared with ordinary accessories.
  • Full-Coverage Accessory System, One-Stop Professional Maintenance: Covers all core rotating group wearing parts and high-pressure auxiliary vulnerable components such as control valves and special seals, fully adapting to all daily maintenance and full overhaul scenarios of HPV116 large-flow heavy-duty pumps, realizing one-stop supporting maintenance.
  • Multi-Process Strict High-Pressure Inspection, Stable Batch Quality: Each batch of spare parts undergoes dimensional verification, flatness testing, hardness sampling and ultra-high pressure impact simulation screening to ensure consistent batch quality and stable and reliable post-repair performance of each large pump unit.

FAQ

  • Q1: What core faults can HPV116 pump spare parts solve?
  • A: It completely repairs typical severe faults caused by long-term super-heavy-load wear of HPV116 large-displacement closed-loop pump friction pairs, including excessive internal leakage, insufficient ultra-high pressure output, weak heavy-load carrying capacity, slow hydraulic response, abnormal operating noise, oil seepage and leakage, and serious overall efficiency attenuation.
  • Q2: How to choose between single spare parts and full overhaul kit?
  • A: For equipment with short service life and only single local component damage, select single-piece spare parts for targeted replacement; for pumps with long-term super-heavy-load operation, obvious power attenuation and overall aging, it is strongly recommended to replace the full rotating group kit to fully restore the pump’s original heavy-duty performance.
  • Q3: What are the key overhaul assembly specifications for HPV116 pump?
  • A: Must be operated by senior professional hydraulic technicians. Thoroughly clean internal oil passages and tiny impurities, strictly control high-precision friction pair assembly clearance, uniformly replace all aging high-pressure seals, and conduct full-pressure load test run and debugging after assembly to ensure stable and powerful operation.
  • Q4: What equipment is HPV116 pump spare parts suitable for?
  • A: It is widely applicable to super-large heavy-duty engineering machinery equipped with HPV116 large-displacement closed-loop variable piston pumps, mainly including super-large wheel excavators, heavy-duty large loaders, industrial pavers and other super-heavy hydraulic equipment.

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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