1. If the water distribution branch pipe is arranged under the beam, the upright sprinkler shall be used; Explanation: when there is no ceiling in the setting place and the water distribution pipeline is arranged under the beam, the hot air flow of the fire will spread horizontally after rising to the roof. At this time, only […]
The water flow indicator is a component of the equipment. Most of these components exist in the fire fighting system or fire fighting equipment. Because of its powerful function, it can play an important role in the process of discovering and eliminating fire, so it has been attached great importance in the field of fire […]
Function of underground fire hydrant Among the outdoor underground fire water supply facilities, the underground fire hydrant is one of them. It is mainly used for water supply for fire engines or devices directly connected with water hoses and water guns and extinguishing fire. It is a necessary special setting for outdoor fire water supply. […]
The opening and closing part of the fire gate valve is the ram, and the movement direction of the ram is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, and cannot be adjusted and throttled. The ram has two sealing surfaces. The most commonly used mode is […]
Water flow indicator is an important accessory used to visually observe and manage the flow of media. It can observe the flow of gas and steam at any time. In many production, it is an indispensable accessory. At present, its types mainly include thread type, welding type, flange type and saddle type. The water flow […]
At present, fire butterfly valves are widely used, such as general drainage and fire system pipes. In general, such a fire butterfly valve needs to have the advantages of simple structure, reliable sealing, light opening and convenient maintenance. The following is a brief introduction to the fire butterfly valve. 1、 Product features 1. The main […]
There are five categories of fire sprinkler heads, including pendulous sprinkler heads, vertical sprinkler heads, ordinary sprinkler heads, side wall sprinkler heads and concealed sprinkler heads. 1. The pendant sprinkler is the most widely used sprinkler, which is installed on the branch water supply pipe. The shape of the sprinkler is parabolic, and 80~100% of the […]
1. Glass ball sprinkler 1. The glass ball sprinkler head is a key thermal sensitive element in the Automatic Sprinkler System. The glass ball is filled with organic solutions with different expansion coefficients. After thermal expansion at different temperatures, the glass ball is broken, and the water in the pipeline is sprayed upward, downward, or […]
The core of the fire extinguishing system is all kinds of alarm valves. The following is the related content of wet alarm valve. 1、 Working principle 1) When the wet alarm valve is in the quasi working state, the upper chamber and the lower chamber of the valve body are filled with water. Under the […]
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. The panel of the concealed sprinkler head is used to decorate and shield the sprinkler head. […]
