330-6822 3306822 227mm inner diameter buffer seal of 777G 777E 777
1. Quick Details of seal 330-6822:
| Part NO. | 330-6822 |
| Machine | truck |
| Size | 227mm |
| Material | PU |
| Oil seal type | Rod Seal |
2. 330-6822 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 3K-0360 | 6V1454 | 7F8268 |
| 6V3917 | 4J2506 | 3H-0107 |
| 6V5064 | 4J2506 | 9M6097 |
| 6V5066 | 3K0360 | 3679300 |
| 4J3236 | 2M9780 | 7D9014 |
| 5J7013 | 8M4992 | 2357679 |
| 4J9224 | 4S5879 | 1559644 |
4. FAQ
Q: What construction machine matches part number 330-6822?
A: This 330-6822 piston rod seal is engineered for excavator hydraulic cylinders.
Q: What spare part classification does 330-6822 belong to?
A: 330-6822 is classified as piston rod seal for excavator hydraulic rod sealing system.
Q: What materials compose this piston rod seal?
A: It adopts high toughness polyurethane body equipped with PTFE buffer ring.
Q: What is the main working purpose of this piston rod seal?
A: It prevents hydraulic oil leakage along the piston rod and absorbs pressure impact.
Q: Where is this piston rod seal positioned inside the hydraulic cylinder?
A: It installs in the gland housing, behind the dust seal and contacts the piston rod.
Q: Is this piston rod seal stable under frequent pressure fluctuation?
A: Yes, the PTFE buffer ring can reduce pressure shock and protect the main seal.
Q: What merit does the polyurethane material bring to this rod seal?
A: It provides good tear resistance and maintains sealing performance under dynamic movement.
5. Exhibition and Wearhous
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