... , CO2secondary system , air elimination and clean system and automatic control system etc., which up to the advanced levels in the ... limits to 45MPa. The velocity modulation system is equipped for flow control, and it is equipped with level 3 overpressure protective ... system: 3.Hot water constant temperature system: 4.Electric instruments control: 5.Safty: 6.CO2 secondary system: 7.Air elimination ...