803304151 XCMG GR2605 motor grader hose assembly

803304151 XCMG GR2605 motor grader hose assembly

Part Number: 803304151
Compatible Model: XCMG GR2605 Series Motor Grader
Product Positioning: A core pipeline component designed specifically for the GR2605 hydraulic system, responsible for the delivery and transmission of high-pressure hydraulic oil, ensuring the precise operation of key actuators.

Key Technical Parameters

1. Pressure Performance
Rated Working Pressure: 43MPa
Instantaneous Impact Pressure: 63MPa
Anti-Pulse Life: ≥270,000 cycles, no leakage, no rupture

2. Structure and Dimensions
Nominal Diameter: 17mm
Hose Inner Diameter / Outer Diameter: 17mm/30mm, ensuring efficient flow transmission
Standard Length: 1070mm (customizable according to original manufacturer requirements), length tolerance ±14mm
Minimum Bending Radius: ≤115mm, suitable for complex installation spaces

3.Material and Weather Resistance
Inner Layer: Imported oil-resistant nitrile rubber (NBR), oil swelling rate ≤2.2%
Reinforcing Layer: High tensile strength galvanized steel wire braid, breaking strength ≥2030MPa
Outer Layer: Wear-resistant and weather-resistant special synthetic rubber, Shore hardness 70HA, suitable for environments from -45℃ to 127℃
Connector: 40 Precision forging from No. 1 steel, phosphated and galvanized for double corrosion protection, and fitted with fluororubber (FKM) seals.

Core Functions and Application Scenarios

1. Main Functions
High Pressure Transmission: Stable delivery of hydraulic oil to key circuits such as blade lifting and side-pushing.
Pressure Transmission: Precisely transmits system pressure, ensuring rapid response of actuators.
Sealing Protection: Effectively prevents leakage and impurity intrusion, protecting the hydraulic system’s cleanliness.

2.Suitable Working Conditions
Heavy-duty operations such as highway construction, mine stripping, and airport runway construction.
Harsh environments with high dust, mud and water erosion, and high-frequency vibration.
Long-term continuous operation and high-frequency action switching.

Product Advantages

Original Equipment Manufacturer Compatibility: Precisely matches equipment interface specifications, allowing direct installation without modification.
High Pressure Resistance: 43MPa rated pressure, suitable for medium and high-pressure hydraulic system requirements.
Wear Resistance and Aging Resistance: Special outer rubber + double anti-corrosion joints for longer service life.
Flexibility and Easy Installation: Small bending radius design, suitable for narrow space layouts.
Reliable Sealing: IP66 Protection level, leakage rate ≤6cm³/h, more stable operation

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