The fire sprinkler can be divided into orange 57 ℃, red 68 ℃, yellow 79 ℃, green 93 ℃, blue 141 ℃, purple 182 ℃ and black 227 ℃ according to the temperature.
The drooping sprinkler is the most widely used sprinkler, which is installed on the branch water supply pipe. The shape of the sprinkler i...
Read more