Hydra-Stop manufactures insertion valves, line stop fittings, and installation equipment that eliminate the need to shut down by allowing under-pressure, site-specific control and use during planned, routine, or emergency maintenance. Designed for potable water, wastewater, and industrial applications, our dependable, field-tested solutions reduce risk and save an average of 40% compared to typical water shut down and repair by eliminating 100% of the incremental costs related to system shutdown.