Fire-fighting nozzle assembly

摘要

A fire-fighting cannon nozzle assembly comprisees first and second feed conduits which become coaxial in a rotary sleeve assembly and extend through a body assembly and also through a swivel joint assembly for simultaneous projection of two fire-fighting agents. The rotary sleeve assembly provides for rotary movement of the body assembly about a vertical axis and the swivel joint assembly provides for rotary movement of the discharge nozzles about a horizontal axis.