SA9564-21300 SA956421300 Sealing heavy parts

Q: What is the OEM part number of this hydraulic dust wiper seal?
A: The OEM part number is SA9564-21300, this dust wiper seal is developed for excavator hydraulic cylinder rod outer dust scraping protection.

Q: What construction machine can part SA9564-21300 be installed and matched on?
A: SA9564-21300 fits excavator hydraulic cylinder and works as the outermost wiper for reciprocating piston rod.

Q: What raw materials are used to manufacture this dust wiper seal?
A: It is made of PU, NBR and stamped steel shell, offering outstanding wear resistance and stable shape retention.

Q: What core function does this dust wiper seal undertake for excavator hydraulic cylinder?
A: It scrapes off soil, rock dust and mud from piston rod before retraction, preventing abrasive particles entering the inner sealing assembly.

Q: Where is this dust wiper seal assembled inside the hydraulic cylinder assembly?
A: It is pressed into the outermost slot of rod gland, the first sealing element exposed to harsh construction site conditions.

Q: What will happen if this dust wiper seal loses its scraping function?
A: Hard contaminants will get inside the cylinder and abrade inner rod seals, resulting in oil leakage and reduced cylinder working efficiency.

Q: What product category does SA9564-21300 belong to?
A: It belongs to dust wiper seal, an external protective hydraulic spare part for excavator cylinder overhaul and routine maintenance.

Q: What performance improvement does the stamped steel shell bring?
A: It keeps the seal fixed firmly inside gland groove and avoids deformation under continuous piston rod back-and-forth movement.