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: 4T-4144
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.:: |
4T-4144 |
Part Name:: |
SEAL RING |
Model: |
7A 7S 7U 7SU |
Machine: |
Wheel Tractor |
Material: |
PTFE‑NBR Composite Material |
Color: |
BLACK |
Part No.:: |
4T-4144 |
Part Name:: |
SEAL RING |
Model: |
7A 7S 7U 7SU |
Machine: |
Wheel Tractor |
Material: |
PTFE‑NBR Composite Material |
Color: |
BLACK |
1. Quick Details of seal 4T-4144:
| Part NO. | 4T-4144 |
| Machine | Wheel tractor |
| Size | 152.40 mm |
| Material | PTFE‑NBR composite material |
| Type | RING SEAL |
2. 4T-4144 picture:
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3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 3K-0360 | 6V1454 | 7F8268 |
| 9X-7735 | 095-1728 | 5K-5959 |
| 6K6307 | 095-1633 | 1H-6227 |
| 2S4078 | 136-2942 | 2P-5820 |
| 6K6307 | 4J5267 | 2M1309 |
| 304606 | 6V5049 | 6F6673 |
| 6F6673 | 1H9696 | 8M5249 |
| 8M5249 | 8M5249 | 6D7889 |
4. FAQ
Q: Does this wear ring adopt split opening design?
A: Yes, it features single oblique split cut for convenient field assembly. Seamless integral type can be customized for special installation requirements.
Q: Where is this piston seal ring assembled inside hydraulic cylinder?
A: It is fitted into the piston outer groove, sitting against cylinder tube bore to separate pressure chambers on both sides of piston.
Q: What core sealing performance can this component deliver under heavy‑load bulldozer working conditions?
A: It blocks cross‑chamber hydraulic oil leakage, maintains pressure holding capacity when pushing heavy‑duty earth‑moving loads.
Q: Can this composite seal endure frequent pressure surges during bulldozer pushing operations?
A: Two‑piece combined structure absorbs pressure spikes, and keeps stable sealing effect under cyclic heavy‑pressure impact.
Q: Are these piston seal rings manufactured according to standard piston groove dimensional tolerance?
A: Every set is precision processed to match standard piston groove dimension for heavy‑duty bulldozer hydraulic cylinders.
Q: Does this guiding ring need to cooperate with other piston sealing elements?
A: It works as guiding backup part; matching main piston seals are still required to achieve complete pressure‑holding effect.
Q: What storage suggestions do you offer for these PTFE sealing accessories?
A: Keep goods in cool, dry warehouse. Avoid persistent high temperature and long-time ultraviolet radiation to slow material aging.
Q: What engineering projects commonly require replacement of this piston seal ring?
A: It serves routine maintenance of hydraulic cylinder piston sealing assemblies on medium crawler excavators, widely used in urban infrastructure, highway subgrade construction, small quarry loading and residential foundation excavation projects.
5. Exhibition and Wearhous
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