Profile: Modern Process Systems, Inc. produces gas chlorinators and sulfonators. Our T-400 series system consists of a water-operated chlorine gas injector and a vacuum controller, which have redesigned to reduce the number of parts & simplify maintenance. Our T400/AS400 series automatic gas switchover chlorination systems automatically switch the gas feed from an empty cylinder to a full cylinder. Our applications includes water and wastewater treatment, industrial wastes, food processing, swimming pools, water conditioning, recirculating water systems and for controlling algae, odor and slime.