Seal Kits Repair for Komatsu HPV35 Hydraulic Pump
High-quality Komatsu HPV35 hydraulic pump seal kits, designed to provide reliable sealing performance for excavator hydraulic systems. Manufactured from premium NBR, PTFE, and Viton materials, these kits prevent oil leakage, improve pump efficiency, and extend service life.
| Material | NBR/ PTFE/ ACM/ VMQ/ FKM/ HNBR/ EPDM/ Silicone and etc |
|---|---|
| MOQ | 5 Pieces |
| Pressure | Up to 690bar(10000psi) |
| Working Temperature | -40–120℃(according to the material) |
| Color | Black/Orange/Brown/White/Brown |
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Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
The Komatsu HPV35 Hydraulic Pump Seal Kit is a complete sealing solution engineered to restore and maintain the performance of HPV35 series hydraulic pumps. Hydraulic pumps operate under extreme conditions—high pressure, continuous load, and fluctuating temperature. A worn or damaged seal can lead to leakage, reduced efficiency, and potential pump failure. This kit provides all the necessary O-rings, oil seals, dust seals, and gaskets to ensure your pump remains leak-free and efficient.
Key Features and Benefits
- OEM-Compatible Design – Precisely manufactured to match Komatsu HPV35 pump specifications, ensuring a perfect fit and reliable sealing.
- Comprehensive Seal Kit – Includes all critical sealing components such as shaft seals, O-rings, backup rings, and gaskets for a complete repair solution.
- Premium Materials – NBR (Nitrile) for oil resistance, PTFE for wear resistance, and Viton for high temperature and chemical resistance.
- Leak Prevention – Effectively prevents hydraulic oil leakage, maintaining stable system pressure and pump efficiency.
- Extended Pump Life – Protects internal pump components from contamination and premature wear.
- Cost-Effective Maintenance – Reduces downtime and eliminates the need for frequent part replacements.
Manufacturing Process of Seal Kits
Every Komatsu seal kit undergoes a strict production process and testing phase to guarantee long-term reliability:
Precision Material Weighing
Each raw material, including polyurethane, PTFE, and rubber compounds, is accurately weighed according to strict formulation standards. This ensures consistent chemical properties, balanced elasticity, and reliable performance across every seal.
Mold Preparation & Material Placement
High-precision molds are thoroughly cleaned and preheated before material placement. The prepared compound is carefully filled into the mold cavities to avoid defects such as bubbles or uneven density, ensuring flawless shaping of the seals.
High-Pressure Compression Molding
Using advanced compression molding machines, the materials are subjected to high temperature and pressure. This process guarantees excellent dimensional accuracy, uniform density, and the proper hardness required to withstand hydraulic pressure and harsh jobsite conditions.
Rigorous Quality Inspection
Every finished seal undergoes strict inspection procedures, including dimensional checks, surface finish evaluation, and sealing performance tests. Only seals that meet international OEM standards are packaged and delivered, ensuring reliable operation for your machine.
This meticulous process ensures that every seal kit meets or exceeds OEM standards.
Material & Manufacturing Quality
Our Komatsu seal kits are produced with advanced sealing technology and top-grade materials to withstand heavy-duty operations:
Nitrile Rubber Buna(NBR, BUNA-N)
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
Fluororubber(FKM,FPM)
Temperature Range:-20 to 250℃
Hardness:70-90 Shore A
Color: Black/Brown/Green
Use: Oil & Chemical Resistance Situation
Advantage: Wear resistance, acid and alkali resistance, high temperature resistance situation
Silicone (VMQ )
Temperature Range: -60 to 225 ℃
Hardness: 50-70 Shore A
Color: Red/Black/Blue/White/Transparent, etc
Use: Heat& Food Situation(FDA, RoHS Approved)
Advantage: Good heat resistance, cold resistance, lubrication oil resistance, water resistance safety & reliable to human body
Ethylene Propylene Rubber(EPDM, EPM)
Temperature Range:-50 to 150 ℃
Hardness: 60-90 Shore A
Color: Black
Use: Ozone, water vapor situation
Advantage: Excellent oxidation resistance ozone resistance and erosion resistance
Perfluoroelastomer(FFKM, FFPM)
Temperature Range: -42 to 327 ℃
Hardness:60-95 Shore A
Color: Black / White
Advantage: Long-term, proven performance, can mean less frequent seal changes, repairs and inspections, increasing process and equipment uptime in productivity and yield.
Neoprene Rubber(CR )
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
These materials work together to deliver long-lasting sealing reliability, even in harsh working environments.
Application and Compatibility
This seal kit is specifically designed for:
- Komatsu HPV35 hydraulic pumps used in a wide range of Komatsu excavators and construction equipment.
- Ideal for both pump overhauls and preventive maintenance.
- Ensures smooth operation in demanding applications such as earthmoving, quarrying, and heavy construction projects.
Quality Control and Manufacturing Process
Every Komatsu HPV35 hydraulic pump seal kit is manufactured under strict quality control standards. Dimensional checks, pressure resistance tests, and material inspections are carried out to ensure every seal meets or exceeds OEM standards. This guarantees consistent performance and peace of mind for equipment operators.
Packaging and Storage
- Each seal kit is carefully sorted and packed in a sturdy, compartmentalized bag for easy identification.
- Seals are labeled and grouped by function, reducing installation errors and saving maintenance time.
- Kits are sealed against dust and moisture to preserve rubber elasticity during storage.
Why Choose Our Komatsu HPV35 Seal Kits?
- Perfect OEM Fit – Specifically engineered for Komatsu HPV35 pumps.
- Comprehensive Repair Solution – All seals in one kit, reducing repair time.
- Durability Tested – Proven under real-world heavy-duty applications.
- Trusted by Distributors and Contractors Worldwide – Reliable performance in construction and mining industries.
At Kinton Seals, we understand that reliable delivery is just as important as product quality. Our goal is to ensure that every order of Seal Kits for excavators, bulldozers, wheel loaders, and other heavy machinery reaches our customers safely, on time, and in perfect condition.
Packaging & Protection
- Standard Export Packaging – Each seal kit is carefully packed in moisture-proof and dust-proof bags, ensuring seals remain clean and undamaged during storage and transportation.
- Layered Protection – Kits are placed in sturdy cartons, and for bulk shipments, cartons are further reinforced with pallets and stretch film to minimize impact during handling and transit.
- Customization Options – We provide OEM/ODM packaging services, including branded boxes, barcodes, and special instructions, helping partners strengthen their brand presence in local markets.
- Extra Protection – For bulk shipments, cartons and pallets are reinforced to reduce the risk of damage in transit.
Order Processing & Lead Time
- Standard Seal Kits – For large quantity orders, lead time is usually 7–10 working days, as each kit requires precise matching of every seal, followed by labeling and packaging.
- Custom Seal Kits – For tailored requirements or non-standard models, production and assembly typically take 15–30 days, especially if new tooling or mold development is required.
- Sample Orders – Small batch or sample kits can often be prepared faster, subject to stock availability.
Delivery Options
- Air Freight for urgent orders
- Sea Freight for bulk shipments
- Courier Express (DHL, FedEx, UPS) for small packages and samples
Quick Quote Request
Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
