295-9891 Hydraulic Cylinder Seal Kit 2959891 for Backhoe Loader 416E
Hydraulic Seal Kit 295-9891 – Premium Seals for Excavators, Loaders, and Construction Machinery Heavy Equipment
Product Overview:
The Hydraulic Seal Kit 295-9891 is a robust, all-in-one solution engineered to restore and protect hydraulic cylinders in demanding construction and industrial machinery. Designed for excavators, loaders, and similar equipment, this kit ensures leak-free operation, reduces downtime, and withstands extreme pressure, temperature, and abrasive conditions.
Kit Components & Functions
| Component | Function |
|---|---|
| 1. Double-Acting Piston Seal (PU/HNBR) | Maintains pressure integrity between cylinder chambers for smooth bidirectional movement. |
| 2. High-Performance Rod Seal (Glyd Ring/U-Cup) | Prevents hydraulic fluid leakage under high-pressure cycles (up to 40 MPa). |
| 3. Multi-Lip Wiper Seal (Polyurethane) | Defends against dirt, water, and debris, extending the lifespan of internal components. |
| 4. Wear-Resistant Guide Band (PTFE + Bronze) | Minimizes metal-to-metal friction, ensuring precise piston alignment and reduced wear. |
| 5. Static O-Rings (FKM/NBR) | Seal end caps, ports, and threaded joints, compatible with most hydraulic fluids. |
| 6. Backup Rings (Reinforced Plastic) | Protect primary seals from extrusion in high-pressure or shock-load scenarios. |
Technical Specifications
- Compatibility: Ideal for excavator boom/arm cylinders, loader lift/tilt cylinders, and more hydraulic systems.
- Pressure Range: 0–40 MPa (5,800 PSI).
- Temperature Tolerance: -40°C to +120°C (-40°F to +248°F).
- Materials:
- Dynamic Seals: Polyurethane (PU), Hydrogenated Nitrile (HNBR).
- Static Seals: Fluoroelastomer (FKM) for chemical/heat resistance.
- Guides: PTFE composite with bronze filler for durability.
- Certifications: Meets ISO 5597 (hydraulic cylinder seals) and DIN 3771 standards.
Key Features & Benefits
✅ Ultimate Durability: Reinforced seals resist abrasion from contaminated fluids and harsh environments.
✅ Precision Fit: Laser-measured dimensions ensure compatibility with OEM cylinder specifications.
✅ Versatile Application: Suitable for construction, mining, and material handling equipment.
✅ Easy Installation: Pre-labeled components and a numbered layout guide simplify assembly.
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