There are also chrome couplings, including locked pistonumatic couplings, which have a low-pressure rate. Among hydraulic hoses, automatically checking the pin of the coupling is one of the most common types. Pin hydraulic hoses automatically move on hosees, but they are not classified by the type of hose.
They are also used in preventing oil spilling, and in preventing oil spilling. They also function in protecting surface lines, hoses, and hoses from tubing, and hoses that have not breakage.