... hydraulic combined superposition type electromagnetic valve, tire body mobile motor, adopts hydraulic lock device, stop motion, oil cylinder never move ... to use total pressure of the air, filled, closed stop valve, open the other way, stable tire body decompression loop ... within 0.2-0.3 Mpa. If overpressure, relief valve, pressure. Product parameter: NameInflatable tyre buffing m achineHydraulic ...