Product Introduction
Our company produce the HS-3DX-332Y-6440-60-110 Excavator Boom Seal Kit is a hydraulic seal repair kit designed specifically for excavator boom cylinders to prevent fluid leaks and maintain optimal performance in heavy machinery. It corresponds to compatible models like the JCB 332/Y6440 type backhoe loader and includes seals constructed from durable materials such as PTFE, NBR, PU, and nylon for high-pressure resistance and longevity.This kit ensures reliable sealing for boom operations in similar excavator applications, supporting efficient maintenance and hydraulic system integrity.
Our Hydraulic Cylinder Seal Kit, Hydraulic Oil Seal Kit, and Hydraulic Pump Seal Kit are suitable for a wide range of hydraulic equipment applications, including industrial machinery, construction equipment, and agricultural equipment. The Seal Kit can be used for various hydraulic components such as cylinders, pumps, valves, and motors.
Our Seal Kit is designed to last and withstand high pressure, ensuring that your hydraulic equipment operates efficiently and effectively. It is also easy to maintain and can be cleaned with mild soap and water, making it a cost-effective and reliable solution for all your hydraulic equipment needs.
Order our Hydraulic Cylinder Seal Kit, Hydraulic Oil Seal Kit, and Hydraulic Pump Seal Kit today, and experience the benefits of having a reliable and efficient hydraulic system!
Product Parameters
| Category |
Parameter |
Specification |
| Material |
Primary Composition |
NBR (Nitrile Rubber), PU (Polyurethane), PTFE (Teflon®), FKM (Fluorocarbon) |
| |
Temp. Range |
• Standard: -40°C to +200°C (NBR/PU)
• Max. Short-term: 300°C (FKM) |
| |
Hardness |
• Shore A 70±5 (NBR/PU)
• Shore D 50-60 (PTFE/FKM backup rings) |
| Physical Specs |
Seal Types |
Oil Seals (dual-lip), U/Y-Rings, O-Rings, Backup Rings (anti-extrusion) |
| |
Seal Kit Types |
Boom Seal Kit |
| |
Weight (Full Kit) |
≈1.5–3.0 kg |
| Performance |
Pressure Rating |
60 MPa (continuous operation) |
| |
Dynamic Durability |
>500,000 reciprocating cycles (PU/U-Rings) |
| |
Chemical Resistance |
FKM/PTFE: Resistant to fuels, acids, biodiesel, hydraulic fluids |
| |
Whether the Custom |
Accept Custom |
| Application |
Compatible Machinery |
JCB 332/Y6440 Backhoe Loaders & similar excavator boom cylinders |
| |
Applicable Industries |
Machinery Repair Shops,Construction,Excavation Machinery Industrial Hydraulic Systems,Mining&Heavy Machinery |
| Place of Origin |
Guangzhou,China
|
| Place of Shippment |
Guanghou,China |
| Product Name |
Seal Kit |
| Flexibility |
High |
| Applicable |
Excavator ,Loaders,Graders and Construction |
| Speed |
Medium |
| Loading Port |
HuangPu Port China |
| Certificate |
OEM and UDEM |
| Size |
Standard |
|
Shape
|
Round |
|
We also produce
other seak kit
|
Arm Seak Kit,Boom Seal kit,Bucket Seal Kit,Travel Motor Seal Kit,Swing Motor Seal kit,Hydraulic Pump Seal kit ,Track Adjuster Seal Kit,Center joint Seal Kit,Control Valve Seal Kit,Gear Pump Seal Kit. |
Product Show
Factory Show:
Specifications:
1. Seals you see in the picture is made in China, and the quality can be promised
2. Safe &carefully. Standard export carton package and sending port is up to your need and requirement, To send the goods as soon as we can to save you time .
3. Our hydraulic cylinder seal kits which are suit to Excavator for Komatsu, Kobelco,Hitachi, Sumitomo, Kato, Daewoo, Hyundai, Volvo,.
Used in the following applications:
| 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 |
| |
312 315 302.5C 324D 320D 330 329D |
| E200B E240 320 320C |
| 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 |
| EC |
EC210BLC EC140BLC EC290B EC360B |
| 210 240 |
| Sumitomo |
SH120 SH75 SH100 S280 S280FA S280F2 S281 S340 S265F2 |
| SH200 SH200A3 |
| Kato |
HD550 HD450 HD800-7 HD400SEM HD700-2 HD700-5 HD700-7 HD800SD-5 HD900-7 |
| HD820-2 HD820 HD770-1 HD770-2 HD880-1 HD850 HD250 HD400 |
| Other brands |
CLG200 Sunward60 Sunward70 |
| XG820 |
| Tips |
If you need other models,please contact us to get more information. |
Why choose ZHIPANSEAL seal kit
1.Experience. We have been selling in the aftermarket for nearly 18 years, we know more about what kind of seal kits the machine needs under bad work conditions.
2.The accuracy of the dimensions.The same part number as the OEM, easy to query and purchase.
3.Price. We can beat all OEM parts in value,while as stated above the qulity of the parts will remain the same.
4.Lead Times. ZHIPANSEAL products have been exported for more than 17 years, and our extensive export experience can help you solve
various transportation problems. We can ensure fast and efficient lead times across all ZHIPANSEAL Parts.
What is a hydraulic cylinder seal kit?
A hydraulic cylinder seal kit is a collection of specialized sealing components designed to prevent fluid leakage and maintain pressure within a hydraulic cylinder assembly. It serves the following critical functions:
Preventing Fluid Leakage: Forms tight barriers between moving parts (like the piston rod and cylinder head) and static parts to stop hydraulic fluid from escaping internally or externally.
Maintaining Hydraulic Pressure: Ensures the separation of high-pressure and low-pressure chambers (e.g., rod side and piston side), enabling the cylinder to generate force efficiently.
Excluding Contaminants: Blocks external debris, dust, moisture, and other pollutants from entering the cylinder, protecting internal components from wear and corrosion.
Key components in a typical seal kit include:
Piston Seals: Seal the gap between the piston and cylinder bore, preventing fluid bypass across the piston.
Rod Seals: Primary barrier against fluid leakage along the piston rod.
Wipers/Scrapers: Remove dirt and moisture from the piston rod as it retracts.
Guide Rings/Support Bands: Maintain alignment of the piston and rod, reducing metal-to-metal contact.
O-rings/Gaskets: Seal static joints between components like end caps and cylinder tube.
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