The concealed sprinkler is composed of glass bulb sprinkler, screw sleeve seat, outer cover seat and outer cover. The sprinkler and screw socket are installed on the pipeline of the pipe network together, and then the cover is installed.
Model: ZSTW B-15, ZSTW B-20, ZSTW B-25 Flow Characteristics: 15 20 25 Thread Size: R₂ 1/2 Nominal Working Pressure: 0.35MPa Injection Angle(°): 120
Fire hydrant is a fixed fire-fighting facility, which is mainly used to control combustibles, isolate combustion aids and eliminate ignition sources. It is divided into indoor fire hydrant and outdoor fire hydrant.
Flexible sprinkler hose with fittings:A flexible metal hose that ends at the sprinkler head in a sprinkler system. The main body is made of stainless steel, including stainless steel hose (i.e. bellows) and installation components.
The check valve is an automatic valve, which is mainly used on the pipeline with one-way flow of medium. The medium is only allowed to flow in one direction to prevent accidents.
The quality of the sprinkler bulb fully complies with the Chinese national standard GB18428-2010. The diameter of the sprinkler bulb is 3mm, and the deviation from the nominal diameter will not exceed ± 0.1mm; Its length is 23mm and the deviation from the nominal length will not exceed 0.5mm.