... 160kw, 250kw2.3 Medium frequency: 2500Hz2.4 Vacuum pressure rising rate: 0.05Pa/min2.5 Holding furnace power: 8Kw, 14Kw2.6 ... Cooling water pressure: 0.15-0.3Mpa2.9 Cooling water flow rate: 8 m3-12 m3/hIII, Structure and Composition of Gas ... of intelligent valve, pressure control valve, pressure-reducing valve, pressure sensor, high pressure hose and pressure indicator. Adopting the intelligent system ...