Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 2.3K, No.21 Orifice, Angle 125, Natural Finish Bronze, 49-421-1-125 D4 The Reliable Model G4-300 Concealer™

The Reliable Model G4-300 Concealer™ uses the proven Model G fusible element in a standard style sprinkler frame with a drop down deflector

This version is Coast Guard Approved

these sprinklers may considered intermediate sprinklers for use in racks

A2208732S9

B409T (Optional)

Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 2.3K, No.21 Orifice, Angle 125, Natural Finish Bronze, 49-421-1-125 D4 The Reliable Model G4-300 Concealer™The 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