The high speed water spray nozzle is a non-automatic directional open mouth spray nozzle. The HV nozzle is designed for use in fixed water sprinkler fire protection systems where the use of high velocity water is required. This includes applications such as the protection of electrical transformers, circuit breakers, oil-fired boilers and lubricating oil systems. The HV nozzle is available in a variety of construction materials and is UL listed.