powder fire extinguisher(trolley),,.

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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:The main fire hydrant in the basement is connected to the municipal water supply pipe directly. Is there a fire pump and a fire pool?
If there is only a basement and the municipal water supply can meet the demand of water and water requirements for indoor and outdoor water as planned, the pump pool can be cancelled. Remember, you must have two pipes.
Q:Why is the fire hydrant drain valve leaking?
The fire hydrant closed in this state in the automatic drain valve open state, if Water Leakage, 1, internal fire hydrant water drain valve is not completely discharged, drainage; 2, the lower part of the fire hydrant valve Mifengbuyan, fire pipe water into the fire hydrant from the drain valve leakage.
Q:Can fire hydrant decoration be packed with material?
1, the fire hydrant should be placed in the corridor or hall of public space, usually in the space inside the wall, no matter what kind of decoration on the requirements of the eye-catching label (marked "fire hydrant"), and shall not set up obstacles in its front, to avoid the impact of open fire hydrant door.2, fire hydrants in the room (such as box), does not meet the fire regulations, but also against the timely rescue of firefighters.
Q:The difference between hydrant and fire hydrant
Two stage pressure relief fire hydrant is introduced. It introduces advanced technology, retains the advantages and basic functions of the common outdoor fire hydrant, and improves the key parts of it. It is more practical. Its performance is better than the traditional fire hydrant, which is characterized in that the water immediately the fire hydrant was severing as, not burst water phenomenon, does not affect the normal use of pipeline with other fire hydrant; and immediately repair the damaged parts; at the same time as in the traditional fire hydrant pressure 1.0MPa, emergency use, with open hands is not easy to open. Even twist the handle of the switch. The anti-collision hydrant can open and close quickly and flexibly under any circumstances.
Q:Fire hydrant valve, hydrant hose, gun head for two places, what does this sentence mean?
So, one of the important fire control facilities fire hose fire fighting of the outdoor fire hydrant system is composed of a valve, reel input pipeline, spokes, supporting frame, rocker arm, hose and spray gun and other components, with water as fire extinguishing agent, in the process of rapid expansion hose extinguishing agent fire extinguishing apparatus. Generally installed in the indoor fire hydrant box, it is a new type of indoor fixed fire protection device. [1] is suitable for fighting a carbohydrate such as paper, wood and cotton fabric material since the beginning of the fire.
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:What is the function of indoor fire hydrant?
Fire hydrant, fire water system is an important part, it is installed in the indoor fire box, average nominal diameter (mm): DN50, DN65 two, nominal working pressure is 1.6MPa, the strength test pressure 2.4MPa, medium: clear water foam mixture.
Q:Fire hydrant, cast iron welding, any use?
Preheat the casting, 400 degrees (semi thermal welding) or 600-700 degrees (hot welding), to reduce the cooling rate, to prevent the emergence of white tissue;
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:What is the glass of the fire hydrant box?
This piece of glass is thin. It's about a millimeter. It's made of a special kind. When the fire to crack it, inside the button will automatically pop up, start switch alarm or directly start the fire pump.

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