In gas dispensing systems through vacuum, one of the critical points of the system is the ejector, since it is in charge of generating the vacuum and it is where the water to be treated and the gas meet. Any failure in the ejector provokes major disruptions in the gas dispensing system, which may even end up filled with water. Capital Controls ejectors provide great adaptability to the different pressure and flow conditions, besides being very efficient at the moment of generating vacuum. Through its seal by means of O’rings they ensure an airtight seal preventing the passage of water including in waters loaded with sand and other strange elements, they may be used with sewage waters.