Riepu vārsta kodols

Tire valve core is also called tire air tight core. Mainly used for tire air intake and prevent tire air leakage. The main body of the tire valve core is a small upper hollow, solid column at the lower end, and a small hole is opened on the side of the lower end and connected with the hollow part. Tire valve core is mainly divided into: British valve pin, American valve core, French valve core, in addition to the German valve pin and Italian valve core.

Tire valve core in fact, it is a one-way valve, when you pump the bicycle tire, the compressed air in the air cylinder from the hollow part into the valve core, the elastic rubber tube "top" up, the air into the tire; When not pumped, the elastic rubber hose tightens to cover holes in the side, preventing air from flowing back through the tire.

Riepas vārsta serde ar īpašu gumijas gredzenu, augsta spiediena izturība, korozijas izturības vārsta kodols pamatā ir izgatavots no vara materiāla, taču vara materiāla attiecība ir ievērojama, tāpēc tas ietekmēs riepas līdzsvaru un vara materiāla izmaksas ir augsta un ne pārāk vides aizsardzība, tāpēc tagad daži vārstu kodoli ir izgatavoti no alumīnija sakausējuma.

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