Size (CM)：76*50*18

Weight (KG)：25.3

98F54003008003 is a high-reliability aviation hydraulic component compliant with AS9100D standards and FAA/EASA certifications, tailored for aircraft auxiliary power unit (APU) hydraulic systems and ground support maintenance. Made of aerospace-grade high-strength anti-corrosion alloy and premium sealing materials, it withstands -55℃ to 160℃, resisting hydraulic fluid erosion, high-pressure impact and continuous vibration in both flight and ground operations. As a precision hydraulic check valve, it prevents fluid backflow to maintain stable system pressure, critical for APU normal startup and auxiliary power supply. Its ultra-tight tolerance avoids leakage, compact structure enables easy MRO replacement and calibration, streamlines servicing, cuts ground downtime, safeguards APU hydraulic integrity, and is an essential core part for aircraft auxiliary power reliability and overall operational safety.