155-63-12250 1556312250 Piston Seal Ring for Bulldozer Hydraulic Cylinder Maintenance Replacement Spare Part

1. Quick Details of  seal 155-63-12250:

2. 155-63-12250 picture:

3.Service part number:

4.FAQ

Q: Can you confirm the part number of this piston seal ring?
A: This piston seal ring’s part number is 155-63-12250 and it falls under piston seal ring category.

Q: What construction equipment does part 155-63-12250 fit for assembly?
A: Part 155-63-12250 is specially produced for bulldozer hydraulic cylinder assembly.

Q: What material formulation is adopted for this piston seal ring?
A: It is made of PTFE and PU composite material combining low friction and high toughness.

Q: What is the core working purpose of this piston seal ring inside hydraulic cylinder?
A: It blocks internal oil leakage across piston and sustains hydraulic pressure for blade pushing operation.

Q: Where is this piston seal ring mounted on the bulldozer hydraulic cylinder?
A: It is fitted into the piston groove of bulldozer steering hydraulic cylinder.

Q: What are the main benefits of PTFE+PU composite material for this seal ring?
A: It can resist extrusion damage and keep stable sealing under frequent pressure impact.

Q: What kind of hydraulic oil environment can this piston seal ring adapt to?
A: It works well with standard mineral hydraulic oil commonly used for bulldozer heavy duty work.

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