5pc Fire Sprinkler Head 3/4 Inch Pendent Type 155℉ Water Spray Down 68℃ Brass Sprinkler Heads 3/4" NPT

Package Included :
5pcs fire sprinkler head 3/4”
  Specifications :  
Pendent type fire sprinkler head
Weight : 48g
Glass bulb dia. 5mm
Water spray: 97%
K=115
Working pressure:1.2Mpa

Tips :
1. Special elbows and tees should be used when installing the nozzle
2. When the nozzle is installed, the nozzle must not be disassembled, altered, and it is strictly forbidden to coat the sprinkler and decorative coating.
3. Use the offered wrench to install the sprinklers. It is strictly forbidden to use the sprinkler's frame for screwing. When the sprinkler's frame or the splash tray is deformed or the original parts are damaged, the sprinkler with the same specifications and model should be replaced.
4. When the nominal diameter of the nozzle is less than 10mm, a filter should be installed on the water distribution main pipe or the water distribution main pipe
5. Nozzle protection cover should be installed on the sprinkler which is susceptible to mechanical damage.
6. When the nozzle is installed, the distance between the splash tray and the ceiling, door, window, opening or wall should meet the design requirements.
7. When the sprinkler splash plate is higher than the bottom of the nearby beam or higher than the ventral surface of the ventilation pipe whose width is less than 1.2m, the sprinkler splash plate is higher than the beam bottom, and the maximum vertical distance of the ventilator's ventral surface should meet the requirements of relevant standards.
8, when the width of the ventilation duct is greater than 1.2m, the sprinkler should be installed below its ventral surface
9, when the sprinkler is installed near the top of the partition, the horizontal distance and minimum vertical distance of the nozzle and the partition should meet the requirements of relevant standards