Hitachi EX110DY Boom Cylinder Seal Kit - OEM Quality Hydraulic Seals
Product Specifications
| Attribute |
Value |
| Product Name |
EX110DY Boom Seal Kit |
| Machine Brand |
Hitachi |
| Application Part |
Boom Hydraulic Cylinder |
| Function |
Prevent oil leakage, maintain pressure, reduce wear |
| Working Pressure |
Up to 35 MPa |
| Temperature Range |
-30°C to +120°C |
| Seal Type |
Double-acting hydraulic cylinder seal kit |
| Packaging |
Individual bag or branded box, bulk or customized packaging optional |
Product Description
The EX110DY Boom Seal Kit is a premium hydraulic cylinder seal set designed specifically for the Hitachi EX110DY excavator. This repair kit is essential for restoring the boom cylinder's sealing performance, ensuring smooth operation and reducing hydraulic oil leakage in demanding working environments.
Made with high-quality materials including PU (polyurethane), NBR (nitrile rubber), PTFE (Teflon), and fabric-reinforced rubber, this seal kit offers excellent resistance to pressure, oil, heat, and wear. It includes all necessary components such as rod seals, piston seals, wear rings, O-rings, and dust seals, providing a comprehensive solution for boom cylinder maintenance.
Key Properties
| No. |
Property |
Description |
| 1 |
Place of Origin |
Guangzhou, China |
| 2 |
Place of Shipment |
Guangzhou, China |
| 3 |
Hardness (Shore A) |
70-95 (depending on seal type and material) |
| 4 |
Friction Resistance |
Low friction, suitable for high-speed hydraulic applications |
| 5 |
Oil Compatibility |
Resistant to mineral oils, hydraulic fluids and some synthetics |
| 6 |
Dust Proof Performance |
Equipped with double-lip dust seals for extra protection |
| 7 |
Abrasion Resistance |
High; designed for long service life in abrasive conditions |
| 8 |
Elastic Recovery |
Excellent elasticity to maintain sealing under variable pressure |
| 9 |
Marketing Type |
New Product in 2025 |
| 10 |
Seal Kit Tolerance |
Precision-machined for exact cylinder fitting (within ±0.02mm) |
| 11 |
Customization |
Custom colors, logo printing, or material formula available |
| 12 |
Applicable Industries |
Machinery Repair Shops, Construction, Excavation Machinery, Industrial Hydraulic Systems |
Product Images
Other Available Seal Kits
- ARM CYLINDER SEAL KIT
- BOOM CYLINDER SEAL KIT
- BUCKET CYLINDER SEAL KIT
- HYDRAULIC PUMP SEAL KIT
- CENTER JOINT SEAL KIT
- TRAVEL MOTOR SEAL KIT
- SWING MOTOR SEAL KIT
- GEAR PUMP SEAL KIT
- LEVER SEAL KIT
- TRACK ADJUSTER SEAL KIT
Product Details
ZHIPAN oil seal Company supplies various brands and models of excavators supporting ARM, BOOM and BUCKET seal kits, crushing hammer, hydraulic pump, walking motor, rotary motor, center joint, rotary joint, joystick, expansion sealing kit.
Products available for: VOLVO, CATERPILLAR, KOMATSU, HITACHI, KATO, SUMITOMO, KOBELCO, DAEWOO/DOOSAN, HYUNDAI, CASE, JCB, KUBOTA, SANY, Longgong, LIUGONG, XCMG, ZOOMLION and other imported or joint venture excavators.
Material: phenolic fabric, PU, NBR, FKM, PTFE, POM etc.
Components: cylinder seal kits typically include a variety of seals such as rod seals, piston seals, wiper seals, and O-rings.
Applications: These kits are tailored for hydraulic cylinders, providing a comprehensive set of seals to ensure optimal performance and longevity.
Frequently Asked Questions
What is a hydraulic seal kit used for?
A hydraulic seal kit is used to prevent fluid leakage and maintain pressure inside hydraulic cylinders. It ensures efficient and safe operation of the equipment.
What parts are included in a boom seal kit?
A typical boom seal kit includes:
- Rod seals
- Piston seals
- Buffer seals
- Dust wipers
- O-rings
- Wear rings (guide rings)
How do I know when to replace a seal kit?
Signs include:
- Hydraulic oil leakage
- Weak lifting or slow movement
- Jerky or abnormal operation
- Visible seal wear or cracking
Are your seal kits OEM or aftermarket?
We offer both OEM-quality and high-performance aftermarket seal kits to meet different customer needs and budgets.
How long does a seal kit last?
Under normal operating conditions, our seal kits last approximately 12 to 24 months. Lifespan depends on usage, temperature, pressure, and maintenance.
Can I install the seal kit by myself?
If you have experience with hydraulic systems and proper tools, yes. Otherwise, professional installation is recommended to avoid damage or incorrect assembly.
What materials are your seals made of?
Our seals are made of high-quality materials such as:
- PU (Polyurethane)
- NBR (Nitrile Rubber)
- PTFE (Teflon)
- Fabric-reinforced rubber
Each material offers specific resistance to oil, heat, pressure, and abrasion.
Can you customize seal kits for specific cylinders or applications?
Yes, we offer custom seal kits based on cylinder dimensions, working conditions, materials, colors, and even branded packaging.
Can one seal kit fit multiple machine models?
Usually not. Hydraulic seal kits are designed for specific cylinder sizes and models. Always confirm your machine model and cylinder type before ordering.
What is the difference between a rod seal and a piston seal?
- Rod seal: Prevents hydraulic fluid from leaking out along the rod.
- Piston seal: Seals the piston inside the cylinder and maintains pressure between chambers.
Compatible Machine Models
| Komatsu: PC45MR PC56-7 PC60-7 PC70-8 PC60-6 PC40-7 PC40-8 PC60-2 PC60-5 PC60-6 PC75 PC100-5 PC120-6 PC150-5 PC130-7 PC200-3 PC200-6 PC200-8 PC210LC-8 PC220-8 PC240LC-8 PC300-3 PC300-5 PC300-6 PC300-7 PC360-7 PC400-3 PC400-5 PC600-6 |
| Hitachi: ZX60 ZX70 ZX100M-1 ZX120 EX60 EX60-2 EX60-3 EX60-7 EX100-1 EX120-5 EX120-6 ZX200 ZX200-3 ZX230 ZX240 ZX240-3 EX200-1 EX200-2 EX200-3 EX200-5 EX200-6 EX210-2 EX220-2 EX220-3 EX225-5 EX270 EX300-1 EX300-2 ZX330-3 ZX450H EX300-5 |
| Hyundai: R60-7 130 R200-5 R215-7 R225-9 R210W-7 R220-5 R250-7 R260-7 R290-3 R300-5 R375-7 R305-7 R335-7 R300-3 R450 |
| Kobelco: SK07 SK60 SK75 SK60-8 SK120 SK120-3 SK130 SK200-8 SK200-6 SK250-8 SK210-6 SK220-1 SK230-6 SK250-6 SK200-8 SK210-8 SK300-3 SK330-6 |
| Doosan / Daewoo: DH60-7 DH80-7 DH130 DH215-7 DH215-9 DH220-5 DH220-2 DH220-3 DH225-7 DH280-3 DH150 DH300 DH330-3 DH300-5 DH420LC-7 DH300-7 |
| Other brands: CLG200 Sunward60 Sunward70 XG820 |
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