Severn Trent Services offers a wide range of Capital Controls® gas feed systems and accessories capable of feeding various gaseous solutions including chlorine, sulfur dioxide, ammonia and carbon dioxide. Capital Controls® gas feed systems have feed capacities ranging up to 200 kg/h or 10,000 PPD and can be cylinder, ton, wall and floor mounted depending on the application. Chlorination and gas feed systems are commonly used for disinfection in water, wastewater and industrial wastewater applications.