Zstw series water mist fire sprinklersprinkler headfire systemproduct detailswater 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 plating2.thread: 12 and 34and 13.installation: pendent4.the min.pressure: 0.35mpa model specification connect thread flow(lmin) spray angle working pressure(mpa)zstw-30-90 zg12" 30 90 0.35zstw-63-120 zg 12" 63 120 0.35zstw-50-90 zg34" 50 90 0.35zstw-80-150 zg 34" 80 150 0.35zstw-80-120 zg 1" 80 120 0.35zstw-100-90 zg 1" 100 90 0.35