foam 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:Function of water outlet of fire hydrant
When the outdoor hydrant is opened, the valve will block the hole and does not affect the normal water. When the fire hydrant is opened, the remaining water is discharged and the corrosion can be reduced! It's open for hours to check if there is water in the pipe!
Q:What's the meaning of the outdoor ground hydrant type 100?
Shallow refers to the fire hydrant installed on the branch pipe, and the pipe covering soil depth is less than or equal to 1 meters. Type 100 is inlet with a caliber of 100.
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Q:What is the proper height to mount a fire extinguisher, as per NFPA 10 guidelines?
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Fire hydrants belong to the city that you live in (or work in). They are responsible for the maintenance of those hydrants. They have to flush them on a regular basis, cycle them and repair and broken hydrants. If you have a broken hydrant, you need to contact the department of public works (DPW) in your town. There are codes and regulations that deal with all that stuff that the city has to follow. If you don't get any help from them, call the fire department non-emergency number. They are the primary users (others may use hydrants with permission from the city) and would know exactly who is responsible for the hydrant and its maintenance.
Q:How can the vertical fire hydrant be properly closed?
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