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:Hydrant valve leaks, how do you close other valves? What are the specific steps?
In the vicinity of a common fire hydrant, there is a valve, which is convenient for fire hydrant maintenance, because fire hydrant repairs need to close the water source. Look around, it should be easy to find the valve. Switch valve is very simple, and the direction of the twist screw is the same, clockwise turn off, counterclockwise is open. Closed valve, fire hydrant will not leak, you can feel relieved to repair. I guess your fire hydrant is sealed rubber pad, aging causes leakage, it is a common disease of fire hydrants.
Q:Does fire water come from sprinkler or hydrant?
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. The fire fighting system includes outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and some automatic sprinkler system, water gun system, gas fire extinguishing system, fire detection system, water mist system and so on. Fire hydrant mainly for fire engines from the municipal water supply network or outdoor fire water network to implement fire fighting, can also be directly connected to the hose, water gun fire extinguishing. Therefore, indoor and outdoor fire hydrant system is also one of the important fire fighting facilities.
Q:How does the fire hydrant box identify the left and right doors?
According to the site decision, the main decisive factor is the bolt opening, that is to say, the direction of the inlet pipe!
Q:Fire hydrant power failure is how to use the fire pump useful trouble detailed answer
In accordance with the fire code, the fire pump should have two channels of power supply, if one of the lines into the power failure can automatically switch to another root, so, from the normative point of view, there is no power outage.
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.
Q:What's the difference between fire hydrant and fire hydrant box?
Fire hydrant is what we see on the street is red, that is fire hydrant, fire hydrant box is a box, there are fire hydrant, hose, fire ax and other fire fighting equipment
Q:Roof pressure test water test, fire hydrant on the pressure gauge should usually indicate how much?!
Fire hydrant system is not the end testing device, usually on the roof will be provided with a roof hydrant, used to test the hydraulic end testing device is mainly used to test the automatic sprinkler system pipe network pressure, generally each floor set at least at the most unfavorable position in the floor, at the end of the pipe generally have a hydrostatic pressure gauge in general, the pressure is greater than 5 kg of qualified there is the end of drainage test, the central control cabinet must be water spray pump, pump start signal indicating signal, to test whether the system linkage.
Q:What about the anti freezing measures for outdoor fire hydrant?
Structure and application of outdoor fire hydrant: ground type outdoor hydrant is a fire extinguishing equipment for outdoor use. It is installed on the city water supply network for the fire brigade to extinguish the main water supply facilities. The utility model is suitable for places such as towns, streets, factories, warehouses, offices, schools, hospitals, etc. the utility model has the advantages of convenient use, high speed and high efficiency. Technical requirements comply with GB4452. Ground outdoor fire hydrant mainly comprises a plug body, valve, elbow, screw, valve, interface and other components, compact structure, beautiful shape, exposed part of the ground covered with red enamel, the underground part is coated with black asphalt paint, suitable for high temperature.
Q:Fire hydrant, cast iron welding, any use?
Change the chemical composition of the weld, adding C, Si and other elements into the electrode;
Q:What is the reason that the fire hydrant pump can not be started? What should I do to get back to normal?
You don't know is the linkage starting or manual control start, linkage, after investigation of the normal pump have become simple, such as emptying somewhere drainage, water flow indicator movement, smoke alarm action (see here and set a specific host fire pump operating conditions), combined with the host alarm display can determine if the device moves.

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