... water, high pressure wind, electric motor, heating cord, oxygen, liquid gas, low-pressure wind, electrical control panel switch on the machine ... PLCE. production requirement: gasesatmospheric pressure(kg/cm2)fuel gas(liquid gas)0.02-0.2Mpaindustrial oxygen0.05-0.4Mpalow-pressure gas0 ... pipe diameter 27mm )argon gasone bottle of ordinary argon gas 99.99%, two bottles of high purity argon gascooling ...