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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 pressuriz

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Q:Is there any hidden danger of fire hydrant?
Fire hydrant is not safe, it is certain that when there is a fire, the fire hydrant does not have a gun head or a water hose. What's more, there is no water in the fire hydrant, and it will kill people! Therefore, these fire facilities should be checked regularly, to eliminate hidden dangers, to ensure the integrity of fire fighting facilities and to ensure safe production.
Q:SN fire hydrant, what does SN mean?
If it is double valve double outlet, then 65 of the diameter should be 65/65 or 100/65, refers to the two 65 outlet, or 1, 100, 1, 65 outlet. Single valve double outlet is now out of use.
Q:What's the disc on the valve that opens the water on the hydrant?
Fire hydrant (fire hydrant) on the tap water on the disc, called hand wheel, usually black, fire hydrant (fire hydrant main body is red).
Q:What does the four button of the fire hydrant button mean?
The first regular fire hydrant button needs 6 lines, two signal line, the nearest from the smoke temperature beside the sense, at the hand and drew the remaining 4 roots, two is the pump power line, press the button to start the fire hydrant fire pump with the other two, is the answer to the line of lights, fire pump start button on the fire hydrant display lights. I wonder if you understand this explanation. I hope I can help you.
Q:Do fire hydrants need to be installed in roof test?
No fire box. Because the fire box is mainly used for hanging fire hose, water gun or fire hose reel, the roof test hydrant, only fire hydrant head, also does not affect the appearance and use, so you can not install fire box.
Q:How to use indoor hydrant
When the fire pump control cabinet is in the manual state, you should send someone to the fire pump station to start the fire pump manually.
Q:How often is the indoor hydrant checked?
The fire pump weekly or monthly starting time, and Simulation of automatic control start, normal function; interface accessory pump adapter should be intact, no leakage, stuffy cover; all kinds of valves in the right open, closed state.
Q:Fire hydrant pump button
The fire hydrant button is outside the fire hydrant box. Fire hydrant buttons are generally waterproof, can be placed in the inward button, height 1.3-1.5 meters from the ground
Q:The difference between single hydrant and double hydrant
Indoor fire hydrant arrangement is to ensure that two water guns (single plug) of the full water column at the same time to reach any part of the room. Fire regulations: highrise building and elevated warehouse, a and B plants, indoor fire hydrant spacing should not be more than 30 meters distance; other single-layer and multi-layer building fire hydrant should not exceed 50 meters (above refers to a single bolt). That is to say, in some occasions, it is not appropriate to set fire hydrant (Dan Shuan) within 30 meters or 50 meters distance, that is, only increasing the spacing to set up double bolts
Q:Can the indoor fire hydrant and outdoor hydrant be the same?
Outdoor fire water supply pipeline with high pressure, temporary high pressure and low pressure pipelines, towns, residential areas, enterprises and institutions of the outdoor fire water supply, generally uses the low pressure water supply system, often with life and production water supply pipeline with.

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