The WXZ series turns on lathe the piece vacuum pump without the oilTurns on lathe the piece vacuum pump without the oil to turn on lathe piece type vacuum pump this pump is uses for to the rtight container removal by suction gas fundamental set, it may the independent employment, also available before the booster pump, proliferates the pump, molecular pump's level pump, to maintain the pump, the titanium pump to pull out the pump to use in advance. May use in electronic vacuum device's manufacture, the vacuum welding, printing, attracts models, the refrigeration plant repair and the instruments and meters necessary and so on. Because its volume is small, the weight is light, the noise low status characteristic application scope is very broad.