Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 4.1K, No.28 Orifice, Angle 95, Teflon Coated Bronze, White, 49-428-4-095 11697MC/B Air Only Gauge Kit

Air Only Gauge Kit

and the unit is reset

The Issue A and B Window Type Exposure Protection Sprinklers are intended for spraying water on window glazing at prescribed spacings and sprinkler locations at a minimum discharge pressure of 7 psi (0

Works in conjunction with a control panel

For use with Detection Systems 240 and DS 241

Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 4.1K, No.28 Orifice, Angle 95, Teflon Coated Bronze, White, 49-428-4-095 11697MC/B Air Only Gauge KitThe TYCO Type D4a PROTECTOSPRAY Nozzles are open (non automatic) directional spray nozzles and they are designed for use in water spray fixed systems for fire protection applications. They are external deflector type nozzles that discharge a uniformly filled cone of medium velocity water droplets. The Type D4a Nozzles feature a four arm body design that helps assist against mechanical or physical damage similar to a sprinkler guard used on automatic