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 tet 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:Does the hydrant shift require the whole system to drain off water?
The specific location depends on the system diagram of the system. If there is no valve or valve failure, the entire system can only work after the water, remember to close the high water tank valve.
Q:The hydrant is leaking when water pressure is small. Is it normal?
That is the automatic drain valve, after use, automatically clean the body of water, to prevent winter cold. As you say, it should be the fire hydrant, and that will happen if you live in the north. In winter, the hydrant must be frozen.
Q:What are the factors of fire hydrant button alarm?
For the bus system, the fire hydrant button is monitored by the module, belonging to the alarm point of the fire alarm host, and the hand newspaper is also monitored by the module, all of which belong to the module signal circuit. The addressable detector can be used separately by a different type of host, and the no address detector is monitored by a module, so it belongs to the module signal circuit.
Q:Fire hydrant can not drink water?
Can not drink, not up to the hygiene standards, do not drink, municipal fire hydrant is connected to municipal tap water, but the building and building fire hydrant is through the fire pool, fire pump and fire pipeline without sterilization, it is best not to drink, and do not use non emergency fire hydrant,
Q:Fire hydrant has been on the water, fire pump can start?
If the hydrant system has a wet alarm valve, it will start the fire pump. Fire hydrant not only rely on the pump button to start, the same as the wet alarm valve, water signal line feedback to the fire center, start the fire pump.
Q:What does hydrant SN65 mean? SN refers to the interior? But there are plenty of them outside
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 to use fire hydrants
Hello! Fire hydrant is a fixed fire fighting tool, which should be used as follows:Open the fire hydrant door and press the internal fire alarm button (the button is to fire the alarm and start the fire pump).Two best operation, take out the fire hose, a person with the gun head and hose to the fire point.The other connects the hose and the valve gate to connect the water source.One opens the valve counterclockwise, remember to unscrew it slowly, and loudly remind another (hydraulic pressure is great, when the valve is opened quickly, the person holding the water gun may be hit), and the other hand holds the water pistol head and the water pipe to extinguish the fire.Note: electric fire should be determined to cut off the power supply.
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's the size of the fire hydrant box?
Self installing single bolt self rescue box =1600*700*240; 4, concealed loading single bolt self rescue box =1600*700*160;
Q:What is the reason that the fire hydrant pump can not be started? What should I do to get back to normal?
Reach the pump starting condition, not check the output of the main machine, check the water pump control cabinet input. Come back again, if there is a problem with the control cabinet, it is not specific, if the control cabinet and water pump failure will not rule out, then please ask the master directly, and more say no benefit.

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