Corporation Cock is the method of introducing chemical into a pipe work system. The corporation cock is suited for low forming scale forming chemicals such as sodium hypochlorite.
Corporation stops are designed to inject chemical into the center stream of the flow. These are used for injecting chemicals pumped by metering pumps into tanks, mains, cooling towers and process systems. It can be mounted to a hot tap, which is installed without draining the system. It allows injection quill to be inserted or removed without having to drain or shut down the system.