Zstw series water mist fire sprinkler Sprinkler head Product details Water mist system fire sprinklers is the type of open sprinkler, the pressure of water in its internal, through the collision, rotation, mixing, after a fire spray of small water droplets, with action of better cooling, suffocation and electric insulation. Widely used in flammable, combustible gas, liquid processing, and saving industries place etc. About the details as follows: 1.Material: brass and chrome plating 2.Thread: 1/2 3.Installation: pendent 4.The min.Pressure: 0.35mpa 5.K=5.6(metric k=80) Modelconnect threadk (factor)flow(l/min)sprayangleworking pressure(mpa) Zstwc-80-120zg1/2"5.6(metric80)801200.35 Zstm series water curtain fire sprinkler Zstm series water curtain fire sprinkler (drencher head) is a main element of the drencher system.It distributes water to a form of curtain shape with a certain width and thickness to isolate fire flame and smoke and absorb heat. It is widely used in large scale workhouse, hall, cinema, dancing stage, and doors or windows of buildings etc. About the details as follows: 1.Material: brass and chrome plating 2.Thread: 1/2 and 3/4 3.Installation: pendantïhorizontal 4.The min.Pressure: 0.14mpa Model specificationconnect threaddiameter nominalinstallationmin.Pressure(mpa) Zstm-15 single gapzg1/2"15horizontal0.14 Zstm-20 single gapzg3/4"20horizontal0.14 Zstm-15double gapzg1/2"15horizontal0.14 Zstm-20double gapzg3/4"20horizontal0.14 Zstm-15pendentzg1/2"15pendent0.14 Zstm-20pendentzg3/4"20pendent0.14