HPV90 Hydraulic Pump for Excavator spare parts

Short Description:

HPV90 hydraulic pump spare parts are high-precision aftermarket repair accessories specially customized for HPV90 closed-loop variable piston pumps.

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Product Detail

Product Tags

description

product parameters

Product Model: HPV90 Hydraulic Pump Spare Parts

Product Type: Pump Rotating-Group Wearing Parts & Heavy-Duty Repair Components

Applicable Equipment: Large wheel excavators, medium and large loaders, pavers, special heavy-duty construction machinery equipped with HPV90 closed-loop variable piston pump

Included Components: Cylinder block, piston-shoe assemblies, valve plate, retainer plate, center shaft, full seal kit, servo-control spool, charge pump gear and auxiliary wearing parts

Core Material: High-strength alloy steel, anti-wear copper alloy cladding, high-temperature resistant anti-aging composite seal material

Processing Craft: Integral vacuum heat treatment, ultra-precision mirror grinding, high-precision flat lapping, fully consistent with OEM tolerance standards

Core Functions: Replace worn failure components, restore pump volumetric efficiency, rebuild rated pressure and flow output, eliminate abnormal noise and oil leakage faults

Applicable Scenarios: Professional pump overhaul, local component damage repair, friction pair wear replacement, long-term performance recovery of heavy-duty pumps

Matching Parts: Fully compatible with original HPV90 pump housing, servo control mechanism and charge pump assembly

advantages

OEM Standard Dimensional Precision, 100% Interchangeability: All HPV90 spare parts are manufactured in strict accordance with original factory size, flatness and tolerance parameters. No cutting, grinding or modification is required during on-site assembly, featuring high fitting accuracy and zero assembly failure rate.
Heavy-Duty Optimized Process, Strong Wear Resistance: Aiming at the high-load and high-impact working characteristics of HPV90 large-displacement pumps, the friction pair adopts alloy cladding and mirror lapping process, which greatly reduces operating friction loss and secondary wear after maintenance, improving overall service life.
Diversified Procurement Modes, Cost-Saving Maintenance: Support independent procurement of single damaged parts for local minor faults, and complete rotating group kits for overall pump aging overhaul. Avoids the high cost of integral pump replacement and effectively reduces long-term equipment operation and maintenance costs.
Full-Coverage Accessories, One-Stop Maintenance: Covers all core rotating group wearing parts and auxiliary vulnerable components such as control valves and seals, fully matching all common overhaul and repair demands of HPV90 pumps, realizing one-stop supporting maintenance.
Strict Factory Inspection, Stable Batch Consistency: Each batch of spare parts undergoes dimensional inspection, flatness testing, hardness sampling and pressure simulation screening to ensure stable product quality and consistent post-repair performance of each pump unit.
High-Temperature and Pressure Resistance, Durable Heavy-Duty Performance: Optimized material formula adapts to the high-temperature and high-pressure extreme working conditions of closed-loop systems, maintaining stable volumetric efficiency and power output during long-term continuous heavy-load operation.

FAQ

Q1: What main faults can HPV90 pump spare parts repair?
A: It solves typical failure problems caused by long-term wear of HPV90 closed-loop pump friction pairs, including excessive internal leakage, insufficient system pressure, weak load capacity, slow hydraulic response, abnormal operating noise and oil seepage & leakage.
Q2: How to choose between single parts and full repair kit?
A: For single local component damage and short service life of the pump, select single-piece spare parts for targeted replacement; for pumps with more than 2 years of heavy-duty operation and overall performance attenuation, it is recommended to replace the full rotating group kit to restore comprehensive performance.
Q3: What are the key points for HPV90 pump overhaul assembly?
A: Professional hydraulic technicians are required for assembly. Thoroughly clean the internal oil passages of the pump body, strictly control the assembly clearance of friction pairs, replace all aging seals in a unified manner, and conduct full-pressure test run debugging after assembly to ensure stable operation.
Q4: What equipment is the HPV90 spare parts suitable for?
A: It is widely applicable to engineering machinery equipped with HPV90 closed-loop variable piston pumps, mainly including large wheel excavators, medium and large loaders, road pavers and other heavy-duty hydraulic equipment.
Q5: How to extend the service life of spare parts after maintenance? A: Keep the hydraulic oil clean and replace filter elements regularly to avoid friction pair abrasion caused by impurity particles; avoid long-term over-pressure overload operation; control the system oil temperature to prevent hydraulic oil high-temperature deterioration and seal aging.

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.