Quality Inspection for Dry Pipe Sprinkler - ZSTM B water curtain sprinkler – Zhurong

The water curtain sprinkler is a spraying device fixed in the pipeline of the water curtain system, which is used to continuously spray water to form a water curtain, protect the surface threatened by fire and form a fire separation.
Water curtain sprinkler is mainly used for fire-proof partition, fire-proof zoning and local cooling. It is an important components in water curtain sprinkler system. When a fire occurs, it sprays dense water droplets in a predetermined direction to form a water curtain, which can prevent the spread of the fire. If the fire-proof interval between high-rise buildings, or between a high-rise building and a low-rise building,doesn’t reach required standard, or if fire-dangerous equipments and facilities are nearby, the sprinkler is to be installed in adjacent doors, windows, eaves , to enhance the fire-proof performance of walls, doors, fire-proof roll curtains,as a barrier to some extent.

The structural feature code and use feature code of water curtain sprinkler are as follows:

① Type A: water sprinkler sprinkler with water curtain inclination (included angle between sprinklere inlet axis and outlet axis) of 0 °.
② Type B: water curtain sprinkler with an inclination of 90 ° and only one water outlet.
③ Type C: water curtain sprinkler with water curtain inclination of 90 ° and two water outlets.
④ Type D: it refers to the water curtain sprinkler with an inclination of non-0 ° or °.
⑤ Type G: it means that it is only applicable to the water curtain sprinkler with fire separation.
⑥ L type: it refers to the water curtain sprinkler only suitable for protection and cooling.
⑦ T-type: it refers to a general-purpose water curtain sprinkler suitable for fire separation, protection and cooling at the same time.