252101089 high pressure hose for XCMG ZL50G/ZL50GL Wheel Loader

product parameters

Part Number：252101089
Product Name：High Pressure Hose Assembly
Applicable Model：XCMG ZL50G, ZL50GL Wheel Loader
Material：Oil-resistant inner rubber, multi-layer steel wire reinforcement, wear-resistant outer rubber, steel crimping fitting
Rated working pressure：OEM standard working pressure
Burst pressure：Specified multiple of rated pressure
Working medium：L-HM46 anti-wear hydraulic oil
Working temperature：-20℃ ~ 80℃, suitable for outdoor all-weather construction
Connection form：Steel crimped joint, compatible with split flange and hydraulic port
Inspection Items：Impulse fatigue test, burst pressure test, sealing performance test, dimension inspection, pull-off test

• Produced following OEM specification strictly. The hose length, joint style and installation dimension are consistent with original parts. Direct installation without cutting or secondary crimping, reduce assembly errors and shorten equipment downtime.
• Multi-layer steel wire reinforcement structure provides excellent pressure resistance and impulse fatigue resistance. It can withstand frequent pressure shocks caused by bucket impact and limit action, not easy to bulge or burst under cyclic load.
• Optimized rubber compound formula, outstanding oil resistance, aging resistance and ozone resistance. The outer rubber can resist sand friction and mud corrosion, stable performance in dusty and humid construction sites.
• Precision crimping process for end joints. Uniform compression force between hose and fitting, high pull-out resistance, effectively avoid oil leakage caused by loose joints under long-term vibration.
• Reasonable minimum bending radius design, convenient for pipeline layout in narrow installation space, reduce extra tensile and shear stress when the loader boom moves.

FAQ 

Q1: Can this hose assembly run continuously above rated working pressure?
A1: No. Long-term overpressure operation will cause permanent expansion of the hose, loose steel wire layers and sharp decline of fatigue life, with the risk of sudden burst and oil spray.

Q2: What causes oil leakage of the high pressure hose assembly?
A2: Common reasons include outer rubber wear and cracking, fatigue crack near crimping area, inner rubber aging, excessive bending during installation, scratches cut by sharp stones.

Q3: What inspection should be done before installation?
A3: Check for bulges, cracks and scratches on the hose surface; confirm the routing direction; reserve enough bending clearance. Do not stretch, twist or bend the hose sharply during installation.

Q4: Can a slightly leaking hose be repaired and reused?
A4: Not recommended. Local repair cannot restore original pressure and fatigue resistance. Hidden damage inside steel wires still exists, burst failure may occur under pressure. Replace the whole assembly directly.