Automotive AC Solenoid Valve Durability Testing: Latest Standards and Insights

With the global automotive market demanding higher component reliability, automotive AC solenoid valves must meet stricter durability standards. This article explains the latest testing requirements and their impact on AC solenoid valve design and performance.

Qirun Auto Parts’ Advanced Internal Test Standards

Leveraging 15 years of industry experience, Qirun Auto Parts Technology Center has developed internal testing procedures combining ISO 16750 and custom client requirements. These standards ensure compliance with international regulations while adapting products for different markets and environmental conditions.

Key Durability Testing Aspects

1. Extended Cycle Life Test

Cycle life testing has been increased from 300,000 to 500,000 cycles, simulating 10 years or 200,000 km of real-world operation. Qirun solenoid valves demonstrate performance degradation under 3%, outperforming the industry standard of 5%.

2. Extreme Temperature Adaptability

Tests now cover -40℃ to 120℃, ensuring reliable operation across global climates. Even in high temperature and high humidity, Qirun valves maintain leakage rates below 10^-6 Pa-m³/s.

3. Electromagnetic Compatibility (EMC) Test

Considering the complex electromagnetic environment of new energy vehicles, stricter EMC tests guarantee stable operation under strong electromagnetic interference.

4. Vibration and Impact Testing

Random vibration spectra are optimized using real road data, accurately simulating road impacts on the valve body and improving durability under harsh conditions.

Industry-Leading Reliability and Low Defect Rate

By adopting these advanced standards, Qirun solenoid valves achieve a defect rate below 50 PPM, setting a benchmark for the automotive AC industry. Global customers benefit from highly reliable, durable, and ISO-compliant AC solenoid valves.

Why Choose Qirun Auto Parts

As a leading automotive AC control valve supplier, Qirun Auto Parts provides:

• High-reliability AC solenoid valves
• ISO-compliant testing standards
• Solutions for global automotive markets

📩 Contact Qirun Auto Parts today to source high-reliability automotive AC solenoid valves for your projects and ensure long-term performance.