Know Before You Flow! 8 deflector angles, 7 orifice sizes, Brass with or without ENT, Blow-off caps available 3D spray pattern blocks help you visualize and confirm spray pattern coverage! If you are designing fire protection systems with nozzles on exposed vertical, horizontal, curved, or irregularly shaped surfaces, you will enjoy this useful tool. The complete set of 72 Medium Velocity Nozzle spray patterns reflects nine discharge orientations and eight nozzle deflector options. 72 3D nozzle spray pattern blocks Visually find gaps in coverage area. Know before you flow! MV Nozzles, used primarily per NFPA 15, provide exposure protection and help prevent structural damage. The small droplet size cools and prevents excessive absorption of heat from an external fire. See Bulletin 106 for complete information. reliablesprinkler.com/mvnozzles MV Model Medium Velocity Nozzleshttp://www.reliablesprinkler.com/mvnozzles http://www.reliablesprinkler.com/mvnozzles