707-99-85350 7079985350 SERVICE KIT OF PC2000-8

1. Quick Details of  seal 707-99-85350:

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5. FAQ
Q: What multi-layer composite integrated sealing structure does this full cylinder seal kit adopt for backhoe loader bucket hydraulic cylinders?
A: It is an all-in-one matched component group instead of scattered single separate seals, including piston composite sealing set, rod pressure-resistant sealing lip, external mud scraping dust wiper and internal anti-extrusion support rings, fully matching all sealing grooves of bucket hydraulic cylinders.

Q: What stable working temperature range can this complete cylinder sealing assembly maintain consistent reliable sealing performance?
A: Its applicable temperature range covers -175°C to 408°C, suitable for cold mountain rural farmland excavation and continuous high-frequency bucket digging work under high-temperature municipal pipeline construction yards.

Q: Can this cylinder seal assembly be universally installed on hydraulic cylinders of all construction machinery models?
A: It is specially sized and formula customized only for backhoe loader bucket cylinder piston and rod structures, and cannot adapt to large excavator boom cylinders, wheel loader lift cylinders or heavy road grader steering cylinders of other equipment series.

Q: What maximum instantaneous hydraulic pressure can the multi-composite matched seal combination withstand without extrusion deformation damage?
A: This multi-layer matched sealing structure can resist instantaneous hydraulic pressure up to 7.9MPa, buffer sharp pressure surges generated by frequent bucket digging and unloading, and eliminate both internal and external hydraulic oil leakage inside cylinder cavities.

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