特价批发供应空压机耗材及配件 高效品质运气阀 运气阀 Air inlet valve 稳定可靠的进气阀，通过电脑控制使排气量和电机功能 耗随用气量的变化而变化，节能省电，降低运行成本。 Controlled by computer,the stable and dependable air inlet Controlvalve can make the air dispiacement and power Consumption of the motor change along with the air consumption, So as to save energy and electricity, and reduce the operaing cost ,