Guangzhou Opal Machinery Parts Operation Department vivianwenwen8@gmail.com 86-135-33728134
Product Details
Place of Origin: China
Brand Name: OUB
Certification: ISO9001
Model Number: 8M-4433
Payment & Shipping Terms
Minimum Order Quantity: 10
Price: Negotiable
Packaging Details: PP Bag Inside.outer is carton with film wrapped.
Delivery Time: Within 5-15 days after getting your desposit
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 1000Pcs
Part No.:: |
8M-4433 |
Part Name:: |
O RING |
Machine: |
Wheel Type Bulldozer |
Material: |
NBR |
Color: |
BLACK |
Model: |
587R 578 561N 561M 572R |
Part No.:: |
8M-4433 |
Part Name:: |
O RING |
Machine: |
Wheel Type Bulldozer |
Material: |
NBR |
Color: |
BLACK |
Model: |
587R 578 561N 561M 572R |
1. Quick Details of seal 8M-4433:
| Part NO. | 8M-4433 |
| Machine | Wheel type bulldozer |
| Size |
29.74 mm |
| Material | NBR |
| Oil seal type | O RING |
2. 8M-4433 picture:
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3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 1672235 | 5P8940 | 8C5176 |
| 7M8485 | 5M-7329 | 1790464 |
| 2287089 | 1559644 | 277-9940 |
| 617540 | 6D-1355 | 152-3968 |
| 335879 | 1907674 | 326-7289 |
4. FAQ
Q: Which construction machine is part number 8M-4433 O-ring intended for?
A: This 8M-4433 O-ring is made for the hydraulic relief valve assembly of motor grader.
Q: What is the part name of 8M-4433 and which sealing spare part group does it belong to?
A: Its part name is O-Ring, it is a static sealing part used for relief valve internal sealing interfaces.
Q: What raw material is used to manufacture this o-ring?
A: It is made of nitrile rubber, with stable resilience and low deformation under repeated pressure cycles.
Q: What main job does this O-ring perform inside the relief valve?
A: It seals the valve spool cavity to stop oil bypass leakage and maintain the set system pressure.
Q: Where is this O-ring positioned on the motor grader?
A: It sits inside the precision groove of the relief valve cartridge mounted on the main hydraulic manifold.
Q: What pressure cycle can this O-ring endure regularly?
A: It can withstand frequent pressure rise and release cycles when the grader adjusts cutting load.
Q: What installation tip helps avoid cutting the O-ring?
A: Lubricate the ring lightly with clean hydraulic oil and guide it slowly over the valve spool edge.
Q: What malfunction will occur if this O-ring gets damaged?
A: The relief valve will leak internally, which causes the grader hydraulic power to drop obviously.
5. Exhibition and Wearhous
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