Fire sprinkler 1.Sprinkler for extinguishing fire according to fire signal Fire sprinkler: a sprinkler that starts automatically according to the predetermined temperature range under the action of heat, or starts by the control equipment according to the fire signal, and sprinkles water according to the designed sprinkler shape and flow to extinguish the fire. It […]
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 […]
The water flow indicator is used for manual sprinkler system. It can be installed on the main water supply pipe or the cross bar water pipe to give the electric signal of water flow in a certain sub area and small area. The electric signal can be sent to the electric control box and can […]
Nowadays, there are more and more high-rise buildings in China. Today, when land resources are scarce, buildings are developing in the vertical direction. Especially the existence of super high-rise buildings, this fire protection work brings great challenges. If a fire breaks out in a super high-rise building, it is very difficult to evacuate the people […]
Fire sprinkler heads generally include several models, such as drooping sprinkler heads, vertical sprinkler heads, ESFR early suppression-fast response sprinkler heads, dn15/dn20 water mist sprinkler heads, water mist sprinkler heads (centrifugal), water mist sprinkler heads, and ZSTDY concealed sprinkler heads. During this period, ZST glass ball sprinkler heads and ESFR early suppression-fast response sprinkler heads will be widely used. The suppressive […]
1、 Working principle The dead weight of the valve disc and the total pressure difference of the water before and after the valve disc will cause the total pressure above the valve disc to be always greater than the total pressure below the valve core, so that the valve disc is closed. In case of […]
1. The fire sprinkler must be installed after the system pressure test and flushing are qualified. 2. During the installation of the sprinkler, the sprinkler shall not be disassembled or changed, and it is strictly prohibited to attach any decorative coating to the decorative cover plate of the sprinkler and concealed sprinkler. 3. The sprinkler shall be installed with […]
The fire signal butterfly valve is applicable to the pipelines of petroleum, chemical, food, medicine, papermaking, hydropower, shipping, water supply and drainage, smelting, energy and other systems. It can be used as regulating and throttling equipment on various corrosive and non corrosive gas, liquid, semi fluid and solid powder pipelines and vessels. In particular, it […]
Design requirements for water flow indicator, alarm valve group, nozzle, pressure switch and end water test device: 1、 Sprinkler head 1. For places with closed system, the sprinkler head type and the minimum and maximum headroom of the place shall comply with the specifications; Sprinklers only used to protect indoor steel roof trusses and other […]
1. Fire Sprinkler Under the action of cold, it is a kind of sprinkler that is started separately according to the predetermined temperature range, or started by the control equipment according to the fire signal, and sprinkles water according to the designed sprinkler shape and flow. 2. Splash pan At the top of the sprinkler […]
