The carbon dioxide is supplied in high-pressure cylinders or low-pressure vessels. The optimum supply method depends on the quantity of gas required and the individual situation.
Supply of gas in low-pressure vessels
If large quantities of extinguishing agent are needed for the overall safety concept, a low-pressure vessel is recommended – especially on grounds of economy. The liquefied carbon dioxide isstored in this vessel at a temperate of approx. –20 °C and at an operating pressure of approx. 20 bar. A cooling unit provides a constant low temperature. The operating costs are minimized by an optimum insulation design. The supply vessel is mounted on a calibratable electronic weighing unit, which constantly displays the actual weight and therefore any potential loss of gas due to leaks.