Nitrogen Release in Office Chairs

It is strictly prohibited for non-professionals to release gas from the pneumatic rods of office chairs. Here are the specific reasons and safety recommendations:

1. The Role and Stability of Nitrogen
The nitrogen inside the pneumatic rod is the core medium that ensures the lifting and lowering function. Its chemical properties are stable, making it difficult to burn or participate in oxidation reactions, effectively avoiding the risk of gas explosion. At the same time, as the working medium, nitrogen generates thrust through the difference in cross-sectional area on both sides of the piston, pushing the lifting shaft to move smoothly and ensuring safe use. Regular products are usually filled with nitrogen with a purity of ≥99% to maintain long-term stability.

2. The Dangers of Self-Releasing Gas
The interior of the pneumatic rod is under high pressure (usually reaching 6-8 atmospheres). Self-releasing gas can cause the high-pressure gas to erupt instantly. The impact force of the ejected piston rod is extremely strong, enough to penetrate wooden boards and even thin iron sheets, potentially causing serious physical injuries. In addition, the gas release operation may damage the internal structure of the pneumatic rod, leading to gas leakage or pressure imbalance, further increasing the risk of use.

3. How to Deal with Pneumatic Rod Failures
If the pneumatic rod experiences failures such as automatic sinking, loss of function, or abnormal noises, it usually indicates damage to the internal sealing ring or nitrogen leakage. In this case, use should be stopped immediately, and the merchant or a professional repair technician should be contacted to replace the pneumatic rod. Do not disassemble, repair, or release gas by yourself to avoid safety accidents.

4. Safety Recommendations for Purchase and Use

• Certification Standards: Prioritize products that have passed international safety certifications such as SGS, BIFMA, and TUV to ensure that the pneumatic rods comply with safety regulations.
• Structural Inspection: High-quality pneumatic rods usually have a tube wall thickness of ≥2.0 millimeters and are equipped with explosion-proof steel plates at the bottom to effectively buffer accidental impacts.
• Usage Environment: Avoid using inferior pneumatic rods in high-temperature, humid, or frequently lifting and lowering scenarios to reduce the risk of explosion.

Summary: The nitrogen filling and high-pressure design of office chair pneumatic rods are crucial for safety. Non-professional operations may lead to serious consequences. In daily use, attention should be paid to product certification and structural inspection. In case of failures, professional personnel should be contacted promptly for handling, and self-intervention should be avoided.