SPN 70×80×4.8mm Center Joint Seal for Excavator Cylinders - 50MPa Pressure, -10 to 100°C Temperature Range
Price:
Negotiable
MOQ:
10 sets
Delivery Time:
2-3 work days
Brand:
ZHIPAN
Product Description
Center Joint Seal / Rotaly Seal SPN 70×80×4.8mm for Excavator Cylinders
Technical Specifications
| Parameter | Value |
|---|---|
| Working Pressure | 0-50 MPa |
| Working Temperature | -10 to 100°C |
| Working Speed | 0.5 m/s |
| Working Medium | Dust, Mineral Oil, Gas, Water |
| Material | PTFE + NBR/FKM |
Product Overview
Applications
SPN seals are specifically engineered for high-performance hydraulic applications including:
- Cylinder servo control systems
- Machine tool hydraulic cylinders
- Construction equipment cylinders
- Two-way piston rod cylinders
- Applications requiring quick response times
Performance Benefits
- Low frictional resistance eliminates stick-slip phenomenon
- High wear resistance for extended service life
- Excellent performance across wide pressure ranges and fast sliding speeds
Installation Dimensions & Ordering Information
| d (mm) | D (mm) | H (mm) | L +0.2 (mm) | Order Number |
|---|---|---|---|---|
| 18 | 27 | 4.3 | 4.5 | SPN18×27×4.3 |
| 20 | 29 | 4.3 | 4.5 | SPN20×29×4.3 |
| 22 | 31 | 4.3 | 4.5 | SPN22×31×4.3 |
| 27 | 36 | 4.3 | 4.5 | SPN27×36×4.3 |
| 31.5 | 40.5 | 4.3 | 4.5 | SPN31.5×40.5×4.3 |
| 47 | 60 | 7.3 | 7.5 | SPN47×60×7.3 |
| 53 | 66 | 7.3 | 7.5 | SPN53×66×7.3 |
| 60 | 73 | 7.3 | 7.5 | SPN60×73×7.3 |
| 65 | 78 | 7.3 | 7.5 | SPN65×78×7.3 |
| 70 | 83 | 7.3 | 7.5 | SPN70×83×7.3 |
| 75 | 88 | 7.3 | 7.5 | SPN75×88×7.3 |
| 80 | 93 | 7.3 | 7.5 | SPN80×93×7.3 |
| 90 | 103.4 | 7.3 | 7.5 | SPN90×103.4×7.3 |
| 100 | 113.4 | 7.3 | 7.5 | SPN100×113.4×7.3 |
| 110 | 123.4 | 7.3 | 7.5 | SPN110×123.4×7.3 |
| 120 | 133.4 | 7.3 | 7.5 | SPN120×133.4×7.3 |
| 130 | 143.4 | 7.3 | 7.5 | SPN130×143.4×7.3 |
| 140 | 153.4 | 7.3 | 7.5 | SPN140×153.4×7.3 |
Product Details
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Zhipan Sealing Technology Co.,Ltd.
Location
Room 302, Building 1, No. 418, Shatai South Road, Tianhe District, Guangzhou-C0558
Contact Person
Eason