Flange
Фланец
Brida
The 803392428 Flange is a genuine XCMG heavy‑duty mounting interface engineered to provide secure, leak‑free connections for hydraulic lines, valve assemblies, and structural attachments on articulated dump trucks. This OEM flange, identified by part number 803392428, is manufactured from high‑strength forged steel with a precision‑machined sealing face and corrosion‑resistant zinc‑nickel plating, ensuring reliable performance under extreme pressures, vibration, and temperature fluctuations. Designed for the rigorous demands of mining and construction, the 803392428 flange delivers exceptional dimensional stability, load distribution, and long‑term durability, making it an indispensable component for maintaining hydraulic system integrity, reducing leakage, and maximising machine uptime in the most challenging operating environments.
The 803392428 Flange is a precision‑engineered mounting interface that provides secure, rigid connections for hydraulic lines, valve banks, and structural brackets on XCMG articulated dump trucks.
This genuine XCMG component is manufactured from high‑quality forged steel, ensuring superior strength and resistance to deformation under high clamping loads.
Its precision‑machined raised face and smooth surface finish guarantee leak‑free sealing when used with appropriate O‑rings or gaskets.
The zinc‑nickel plating provides excellent corrosion resistance, protecting the flange from rust and pitting even in salt‑spray and high‑humidity environments.
Standard bolt hole pattern and centre bore allow direct replacement of worn or damaged original flanges, minimising downtime.
Regular inspection of flange bolts and sealing surfaces is recommended to maintain system integrity.
Flanges are fundamental components in hydraulic systems, providing a robust, low‑profile connection point that withstands high pressures and dynamic loads without loosening.
The 803392428 flange is designed to create a mechanically rigid joint that distributes clamping force evenly across the sealing face, preventing fluid leakage and ensuring consistent system pressure.
In mining and construction equipment, where vibration and shock loads are constant, a properly torqued flange connection remains secure, reducing the risk of hydraulic oil spills and environmental contamination.
Using genuine XCMG flanges ensures that the sealing geometry matches the original design, preventing misalignment that could lead to gasket failure or thread damage.
Replacing corroded or warped flanges with OEM parts restores the factory‑specified clamping force and leak resistance, extending the service life of hoses and fittings.
The 803392428 flange is engineered with a focus on load distribution, sealing effectiveness, and long‑term mechanical stability.
The forging process eliminates internal porosity and ensures a uniform grain structure, maximising strength and fatigue resistance.
The raised face is precision‑ground to a smooth surface finish (2 µm Ra), providing an ideal mating surface for O‑rings and flat gaskets.
A chamfered centre bore eases tube insertion and reduces stress concentration at the bore edge.
The bolt holes are counterbored on one side to accommodate socket‑head cap screws or standard hex bolts, preventing rotation and ensuring even torque application.
All dimensions are verified using coordinate measuring machines (CMM) to guarantee interchangeability with original equipment.
The 803392428 flange is manufactured from ASTM A105 forged carbon steel, a material widely used in high‑pressure hydraulic applications for its excellent toughness and weldability.
The zinc‑nickel plating provides a double layer of protection: zinc offers sacrificial corrosion resistance, while nickel increases hardness and chemical resistance.
This coating system withstands over 300 hours of salt‑spray testing per ASTM B117, ensuring the flange remains rust‑free even in coastal or underground mining environments.
A black passivation topcoat enhances the aesthetic finish and provides additional resistance to mild acids and alkalis.
The combination of forged steel and advanced plating ensures that the flange maintains its mechanical properties and sealing performance throughout the machine’s service life.
The 803392428 flange is used extensively on XCMG articulated dump trucks, wheel loaders, excavators, and motor graders for mounting hydraulic valves, pump manifolds, and pipe connections.
It is commonly installed at the interface between steel tubes and flexible hoses, or as a mounting base for control valves and pressure sensors.
In underground mining, the flange’s corrosion‑resistant finish protects against moisture and aggressive chemical exposure, while its robust design withstands high vibration levels.
Its standard bolt pattern allows easy integration into existing systems, making it a preferred choice for field repairs and preventive maintenance.
Whether replacing a damaged flange or upgrading a connection, this component delivers the reliability needed for continuous heavy‑duty operation.
Every 803392428 flange is manufactured in an ISO 9001 certified facility, with full traceability of raw materials and production processes.
Incoming forged blanks are inspected for chemical composition, tensile strength, and impact toughness.
After machining, each flange undergoes dimensional verification using calibrated gauges and CMM equipment.
The sealing face is checked for flatness and surface finish; any deviation beyond tolerance is rejected.
A random sample from each batch is subjected to hardness testing, salt‑spray exposure, and hydrostatic pressure testing to confirm material and coating performance.
Only flanges that meet all criteria are released, ensuring consistent quality and reliability.
The 803392428 flange is a direct replacement for the original part on XCMG articulated dump trucks, including models XDA30, XDA40, XDA45, XDA45U, XDA60, TA30, AD45, AD60, and many others.
It is also compatible with numerous wheel loaders, excavators, and motor graders that use the same flange dimensions and bolt pattern.
The 120 mm x 120 mm footprint and 90 mm hole spacing match the standard interface used across many heavy equipment lines.
For cross‑brand applications, verify the centre bore size and bolt hole diameter to ensure proper fit.
Always consult your machine’s parts manual to confirm the correct part number before ordering.
Installing the 803392428 flange requires standard hand tools and attention to proper torque. Begin by cleaning the mating surfaces and the flange face.
Position the flange over the bolt holes, ensuring the centre bore aligns with the tube or fitting. Install the M12 bolts finger‑tight, then torque in a cross‑pattern to 80‑90 N·m.
If using an O‑ring or gasket, ensure it is correctly seated in the groove or on the raised face before final tightening.
After installation, pressurise the system and inspect for leaks. Re‑torque bolts if necessary after the first thermal cycle.
During routine maintenance, check for corrosion, pitting, or damage to the sealing face. Replace the flange if any defects are found.
Keep spare flanges and O‑rings in stock to minimise downtime during repairs.
The 803392428 flange complies with ASTM A105 for forged carbon steel fittings and DIN 2527 for face dimensions and bolt pattern.
It is manufactured in accordance with ISO 9001 quality management and ISO 14001 environmental standards.
The materials used are RoHS compliant and free from restricted substances.
Using genuine XCMG flanges ensures compliance with original equipment safety and performance specifications, protecting both the machine and the operator.
Always replace damaged or corroded flanges with genuine parts to maintain hydraulic system safety.
Aftermarket flanges often use inferior cast iron or low‑grade steel that can crack under high torque, warp under load, or corrode prematurely.
The genuine 803392428 flange is forged from high‑quality steel and precision‑machined to XCMG’s exacting standards, guaranteeing correct fit and reliable sealing.
Its robust construction and corrosion‑resistant coating ensure long service life, reducing the need for frequent replacements.
Genuine XCMG parts preserve warranty coverage and maintain the resale value of your equipment.
Choose genuine XCMG for reliability, safety, and peace of mind.
The XCMG 803392428 Flange is a critical component that ensures secure, leak‑free connections in hydraulic systems on articulated dump trucks and heavy equipment.
Its forged steel construction, precision sealing face, and advanced corrosion protection deliver reliable performance in the most demanding mining and construction environments.
By replacing worn or damaged flanges with genuine XCMG parts, you protect hydraulic integrity, reduce downtime, and maintain machine productivity.
Always source genuine XCMG components from authorised dealers to guarantee authenticity and quality.
Choose the 803392428 flange for dependable connections and lasting value.
Invest in genuine XCMG – your partner in reliability and performance.
