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Something about fire sprinkler
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 accordin...Read more -
What is the difference between indoor and outdoor fire hydrants?
What is the difference between indoor and outdoor fire hydrants? Indoor fire hydrant: The indoor pipe network supplies water to the fire site. Outdoor fire hydrant: water supply facilities on the fire water supply network outside the building. The indoor fire hydrant supplies water to the fire si...Read more -
Difference between upright sprinkler head and pendent sprinkler head
1.Different purposes: the upright sprinkler head is used in places without suspended ceilings, and the distance from the ceiling is 75MM-150MM. The top cover plays a part of the heat collection function, and about 85% of the water is sprayed downward. The pendent sprinkler headis the most widely ...Read more -
How to achieve fire extinguishing effect with high-pressure water mist sprinkler？
In the process of fire fighting, the fire high-pressure water mist sprinkler uses the method of blocking radiant heat. The water mist sprayed by the fire high-pressure water mist nozzle quickly covers the flame and smoke plume of combustibles through the steam after evaporation. Using this method...Read more -
How to install fire sprinkler?
1、 How to install fire sprinkler 1-1. Determine the installation position of the fire sprinkler head and the wiring plan of the connected water pipe, which should comply with the relevant installation requirements, to avoid incorrect instructions leading to abnormal work, and avoid the situati...Read more -
How to design the water flow indicator, alarm valve group, fire sprinkler, pressure switch and end water test device
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...Read more -
Installation requirements for ESFR sprinkler
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 s...Read more -
Introduction of fire butterfly valve
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 fir...Read more -
Difference between protective separation water curtain and cooling water curtain and cooling system
1、 Terminology 1-1 fire separation water curtain Instead, it is composed of open sprinkler or water curtain sprinkler, deluge alarm valve group or temperature sensitive deluge alarm valve, etc. in case of fire, it is a water curtain system that forms a water wall or water curtain by dense sprayi...Read more -
Working principle of fire signal butterfly valve
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...Read more -
Some knowledge about wet alarm valve
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 ...Read more -
Function and installation position of water flow indicator
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 also be u...Read more