07010-00015 0701000015 HNBR PU FKM Carbon Filled PTFE Multi-Material Composite Oil Seal Kit for Bulldozer Blade Tilt Cylinder Overhaul & Maintenance

1. Quick Details of  seal 07010-00015:

2. 07010-00015  picture:

3. Service part number :

4. FAQ

Q: What distinct color and structural visual differences allow maintenance technicians to quickly identify each component inside this blade tilt cylinder seal kit?
A: HNBR rod and piston main seals are matte deep black with triple-lip integrated sealing structure, the contact lip surface undergoes precise mirror polishing without burrs or eccentric abrasion scratches. Trapezoidal PU buffer rings are light apricot yellow with exclusive trapezoidal shock absorption outline, visually distinguishable from wedge, arc and circular buffer rings used on lift cylinders, travel motors and various hydraulic valve assemblies. FKM static O-rings are dark coffee brown with uniform round cross-section, no shrinkage or permanent deformation after long-term warehouse storage. Carbon-filled PTFE anti-extrusion rings are off-white with evenly scattered tiny black carbon particles on the surface, easy to tell apart from light gray graphite-filled PTFE rings for hydraulic control valves. The heavy-duty dust wiper is thick black with dual internal and external scraping lips; the outer thick lip blocks large mud clumps and gravel, while the inner fine lip filters tiny abrasive dust particles. Each accessory is printed with clear blade tilt cylinder matching size marks on the surface for fast sorting and matching during on-site assembly.

Q: What wide temperature range and eccentric heavy hydraulic pressure working conditions can this four-material composite seal kit sustain for long-term stable continuous operation?
A: This integrated oil seal kit can continuously bear stable long-term working pressure up to 408 bar, and withstand instantaneous eccentric peak impact pressure up to 462 bar without extrusion failure of sealing components. HNBR and PU accessories retain stable elastic recovery and sealing performance within -38°C ~ +122°C, fully adapting to low-temperature frozen mountain construction in winter. FKM O-rings can operate normally within -26°C ~ +145°C, perfectly matching the high-temperature hydraulic oil circulation state of non-stop full-load earthmoving in summer. Carbon-filled PTFE backup rings will not soften or deform under eccentric reciprocating friction and high temperature, maintaining consistent anti-leakage protection performance all year round regardless of seasonal environment changes.

Q: What chain of hidden mechanical faults and corresponding economic losses will customers face if they select low-quality inferior seal kits instead of this complete multi-material composite set?
A: Cheap inferior seal kits only adopt recycled low-grade ordinary NBR raw materials, without matching trapezoidal PU buffer rings and carbon-filled PTFE anti-extrusion protective layers. After short-term eccentric reciprocating friction and mud corrosion, the thin sealing lip will crack and wear rapidly, triggering internal hydraulic oil bypass and external oil leakage of the blade tilt cylinder. The bulldozer blade will show unbalanced left-right tilt angle, automatic unilateral deflection after shutdown, slow tilt adjustment speed and obvious hydraulic jitter during slope pushing operation. Worn rubber and plastic debris will scratch the polished piston rod and cylinder barrel inner wall, requiring expensive full replacement of metal cylinder core components. Meanwhile, frequent oil leakage increases daily hydraulic oil consumption costs, and long-term equipment shutdown will delay overall construction project schedules, bringing extra labor rental and operation loss expenses for customers.

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