powder fire extinguisher(trolley).,

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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:What are the specifications for indoor fire hydrants?
The fire hydrant spacing should be calculated, and the high-rise building should be no more than 30m, the podium should not be greater than 50m.
Q:What is hydrant?
Fire hydrants are separated from the rooms (such as boxes), which are not in accordance with fire regulations, and are not conducive to the timely rescue of firefighters.
Q:What's the name of the hydrant?
The types of hydrants include outdoor fire hydrant, indoor hydrant, ground hydrant, underground fire hydrant, etc..
Q:What is the basis of DN100 and DN150 for hydrant pipe diameter?
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:What is the function of fire hydrant seals?
Fire hydrant seal: closed, to prevent unauthorized use and fire hydrants.
Q:Decoration transformation hydrant need to shift how to do?
In the renovation, the fire hydrant needs to be approved by the local fire control department when it needs to shift. Those who have not been approved may not change or shift without permission.
Q:Where are hydrants located?
The corridor needs to be protected
Q:Why can't indoor fire hydrants be shared with outdoor hydrants?
Its role is for the internal fire hydrant fire fighting personnel units within the building fires and use, in order to outdoor fire hydrant fire brigade from the periphery building water feeder, including pool fire is to add water when the indoor fire, fire, fire pipeline due to high temperature and burst damage, not normal water supply, and outdoor fire hydrant basic will not be affected by objective factors, indoor fire hydrant and outdoor fire hydrant can not be shared, in order to prevent the damage caused by the fire pipeline paralyzed somewhere, the fire water supply system, which can not use the backup water source timely fire.
Q:What's the disc on the valve that opens the water on the hydrant?
Outdoor fire hydrant to prevent unauthorized personnel from opening, without hand wheel. A special wrench for fire personnel is required to open. Besides, the water outlet is provided with a fast blocking cover, and can be quickly disassembled when used.
Q:Working principle of fire hydrant?
The working principle and operation method of hydrant water supply system are:When the discovery of fire, the man opened the door of the fire hydrant box, press the alarm button, the fire control center to discover a fire alarm signal or remote start the fire pumps, then quickly pulled out of a hose and a water gun (or fire hose), water head and a fire hydrant outlet, and the other end of Mizumatsu Ko, show (left) with boiling water, open fire hydrant handwheel, hold gun (preferably with two), water (or water) produced by the body of the flow, the water body to the implementation of fire.

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