“481 Double 720 Long - 9 Holes” is likely a description of the air reservoir cylinder’s specifications. “Double 720 Long” suggests that the cylinder may feature a dual-chamber design, with each individual chamber measuring 720mm in length; while “9 Holes” indicates the presence of nine interface ports on the cylinder, enabling connections to various air lines and meeting the complex requirements of a vehicle’s pneumatic system.
This air reservoir primarily serves to store compressed air, supplying the vehicle's braking system, air horns, and other pneumatic devices. At the same time, it helps buffer fluctuations in air pressure and provides initial filtration of impurities and moisture from the compressed air, ensuring the stable and reliable operation of the entire air circuit system.
Key Words
481 pairs of 720-length, 9-hole iron gas cylinders
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