Is the vehicle recalled due to defective rubber pneumatic butterfly valve?
Honda Motor was recalled before due to quality problems, including a problem with a pneumatic butterfly valve. According to the introduction, due to the manufacturing reasons of the supplier, the piston rod of the front pneumatic butterfly valve of some vehicles within the scope of this recall produced microcracks during processing. In extreme cases, the piston rod may be broken, which may pose a safety hazard. Dongfeng Honda will suspend free inspection for recalled vehicles and replace the front pneumatic butterfly valve core for vehicles with problems free of charge.
According to the report of the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, as of August 20, China had implemented 82 automobile recalls this year, involving 1.999 million vehicles, an increase of 708000 vehicles or 54.9% year on year. The recall campaign touched 45 consumers of automobile products and 132 models, of which 1.351 million were domestic joint-venture brands, accounting for 67.6% of the total number of recalled vehicles; 277000 vehicles of domestic independent brands were involved, accounting for 13.8% of the total number of recalled vehicles; 371000 vehicles of imported brands were involved, accounting for 18.6% of the total number of recalled vehicles.
The analysis found that the number of recalled vehicles caused by defects in the initiator system was the largest, 563000 vehicles in total, accounting for 28.2% of the total number of recalled vehicles; The second largest number of recalls was caused by brake and wheel defects, accounting for 26.5% of the total number of recalls; The third is the recall caused by powertrain defects, accounting for 21% of the total number of recalls.
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1、 Application of pneumatic control valves in modern chemical plants: pneumatic control valves can be used together with other instruments to realize automatic regulation and remote control of process parameters such as flow, liquid level, pressure, temperature, etc. and other media such as liquid, gas, steam, etc. in the production process. The pneumatic diaphragm control valve, as the zui final actuator of the automatic control system, plays a very important role. The application of the control valve directly affects the quality and safety of production.