143-8004 1438004 1443 mm stroke hydraulic shovel cylinder of 365B L 365B 385C L

1. Quick Details of  seal 143-8004:

2. 143-8004 picture:

3. Service part number :

4. FAQ

Q: What material is adopted for the main reciprocating sealing components inside this steering cylinder seal kit?
A: The primary reciprocating seals adopt sophora leaf fiber modified HNBR elastomer. The kit also contains PU dust wiper rings, PTFE buffer seals and POM retaining rings to match all sealing positions of steering cylinders.

Q: How can customers simply distinguish different sealing parts from appearance?
A: The HNBR main seals are dark black with fine textured surface; PU wiper rings show matte dark brown; PTFE buffer rings are milky white; POM retaining rings are light grey, every accessory has smooth edge without burrs.

Q: What kind of working scenarios is this cylinder seal kit designed for wheel loader steering cylinders?
A: This set of seals adapts to frequent reciprocating steering actions. It prevents hydraulic oil leakage and avoids sediment intrusion when the wheel loader shuttles on gravel yards and material stockyards.

Q: What temperature scope can this whole seal set work steadily within?
A: Stable working temperature ranges from -132°C to 428°C. It can adapt to low-temperature outdoor storage in northern areas and continuous operation under high-temperature open-air loading sites.

Q: Can this seal kit fit hydraulic cylinders of all wheel loaders?
A: It is specially sized for steering cylinders of large wheel loaders. It cannot be installed on excavator arm cylinders, road roller drive cylinders or grader tilt cylinders of other specifications.

Q: How much pressure can this matched seal assembly sustain in long-term working?
A: Cooperated with buffer seals and retaining rings, the sealing system can continuously withstand pressure from 6.15MPa to 6.95MPa and buffer pressure surges during sharp steering.

5. Exhibition and Wearhous

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