three fire truck

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Product Description:

We make different styles of indoor hydrant, landing hydrant, underground hydrant,etc.

1. Item: SNJ 65

2. Type:SN50,SN65

3. Strength test pressure:2.4mpa

4. The indoor fire hydrant is a fixed indoor fire-fighting equipment in factories, public buildings, warehouse,etc.


Indoor fire hydrant is the connecter in the water piping network, including one valve with single outlet, One Valve with double outlet and double valve with double outlet etc. It's used to offer assistance to control the fire.

Rated working pressure:16 Bar

Strength test pressure:24Bar



A hose is attached to the fire hydrant, then the valve is opened to provide a powerful flow of water, on the order of 350 kPa (50 lbf/in²) (this pressure varies according to region and depends on various factors including the size and location of the attached water main). This hose can be further attached to a fire engine, which can then use a powerful pump to boost the water pressure and possibly split it into multiple streams. The hose may be connected with a threaded connection, instantaneous "quick" connector or a Storz connector. Care should be taken not to open or close a fire hydrant too quickly, as this can create a water hammer which can damage nearby pipes and equipment. The water inside a charged hoseline causes it to be very heavy and high water pressure causes it to be stiff and unable to make a tight turn while pressurized.  

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Q:Can ground fire hydrant replace foam hydrant?
The utility model relates to a ground fire hydrant, which is an outdoor fire water supply facility. The utility model is used for supplying water to a fire engine or directly connected with a water hose and a water gun, and is a necessary fire extinguishing water supply facility outdoors. It shows the upper part of the ground, the sign is obvious, easy to use. It is composed of valve body, elbow, seat, valve, drain valve, valve stem and interface. Fire hydrant on the ground is a necessary fire fighting equipment in the city, especially in the urban areas and less rivers. It is necessary to install the fire hydrant to ensure the fire water supply. Factories and mines, warehouses, docks, freight yards, high-rise buildings, public places and other densely populated areas should be installed.
Q:How does the hydrant with caliber 50 calculate the amount of water?
Hydrants, officially called fire hydrants, are a type of fixed fire fighting facilities, which control fuel, insulate fire and eliminate fire. Indoor fire hydrant and outdoor hydrant.
Q:Function of water outlet of fire hydrant
Role: 1, the detection system whether there is water; 2, antifreeze repair, waterproof; 3, testing water quality;
Q:What is the height of the outdoor hydrant from the ground?
The distance between the top water outlet of the underground fire hydrant and the bottom surface of the fire protection cover shall not be greater than 400mm, and there shall be enough operating space in the well, and a ladder shall be set up. Frost protection should be done in the cold area.
Q:What are the places that do not set fire hydrant systems?
A building that has contact with water and can cause burning and explosion;
Q:Is the water in the hydrant tap water or middle water?
The water in the hydrant is the water left in the water tower on the top floor, and also the tap water. But the water in the fire pipe is useless for a long time, so it can not be drunk. The fire hydrant water is also tap water, clean, but generally not allowed to use.
Q:Is there any difference between outdoor fire water consumption and outdoor fire hydrant water consumption?
It can be seen from the entry that the water consumption of the outdoor fire hydrant is only part of the outdoor fire water consumption, but there is a link between them, but the meaning contained is different.
Q:Fire hydrant, B, C what is the difference?
B is a hose circle, no hose reel, no hose rack.
Q:What is the diameter of the temporary fire hydrant in the construction area?
The construction area is a protected area outside diameter according to the design and calculation of the main pipe is generally between DN100~DN200; pipes between DN80~DN100; single branch bolt shall not be less than DN65; spray pipe branch pipe between DN40~DN80 pipe is not less than DN25.
Q:Difference between starting button and alarm button of fire hydrant box
Manual alarm button: manual alarm button fire alarm is a type of equipment in the system, when the researchers found that when a fire in the fire detectors fail to detect fire when manually manually press the alarm button fire signal report.

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