... turn on vacuum air pump, cooling water, high pressure wind, electric motor, heating cord, oxygen, liquid gas, low-pressure wind, electrical ... PLCE. production requirement: gasesatmospheric pressure(kg/cm2)fuel gas(liquid gas)0.02-0.2Mpaindustrial oxygen0.05-0.4Mpalow-pressure ... gas 99.99%, two bottles of high purity argon gascooling wateruse 48mm pipe to connect(pump band cooling water, having cooling ...