Size (CM): 410*340*300

Weright (KG): 1550

J78031-85 is a precision-engineered aerospace engine combustion chamber liner, compliant with AS9100D quality standards and FAA/EASA regulations, optimized for CFM56-5B/7 and IAE V2500 turbofan engines. It forms the core heat-resistant barrier of the combustion system, containing high-temperature (up to 1,800°C) fuel-air combustion gases while maintaining structural integrity, and evenly distributes heat to prevent localized overheating during takeoff, cruise, and high-thrust operations.

Crafted from a nickel-cobalt superalloy with a thermal barrier coating (TBC), it resists thermal fatigue and oxidation, and features a multi-hole film-cooling design for enhanced heat dissipation. Weighing 1.2kg with a segmented bolt-on structure, it enables fast replacement during hot-section MRO overhauls. FAA Part 25 certified, it is a safety-critical component for combustion stability and engine durability.