brass body, chrome plating --style: pendent, upright, wallside, universal. --size: 1/2"(15mm), 3/4"(20mm). --certificate: UL.

fire sprinkler      glass bulb fire sprinkler      fire sprinkler head1.Max. Ambient Temperature:38°C

2.Sprinkler Rated Temperature:68°C

3.The diameter of glass bulb: 5mm

4.Rated working pressure:12 Bars(1.2Mpa)

5.Airproof test pressure: 24 Bars(2.4Mpa)

6.Strength test pressure:30Bars(3MPa)

7.Thread: 1/2", 3/4"

8.Flux coefficient: 80, 115

9.cover extensiveness