PUMPING EQUIPMENT HAVING AUTOMATIC PRESSURE CONTROL VALVE

摘要

PURPOSE: A pumping equipment having an automatic pressure control valve is provided to control the pressure of each reaction chamber, respectively by using a pump connected to a multitude of reaction chambers. CONSTITUTION: A pumping equipment having an automatic pressure control valve relates to a pumping equipment for connecting a plurality of vacuum line(42,44). The pumping equipment comprises a multitude of reaction chambers and an automatic pressure control valve. A pump(40) is connected to the multitude of reaction chambers. Many vacuum lines are disposed to connect the reaction chambers and the pump. The automatic pressure control valve is disposed to each vacuum line. The automatic pressure control valve is disposed at a front portion of the vacuum line connected to the pump.