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 ins,ide 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:How to protect the fire hydrant in winter?
In the outdoor or underground garage water pipes should pay attention to antifreeze measures, the underground water tank can do frozen layer, look at the situation to do wall insulation. Use sanhuali antifreezing hydrant well
Q:Why is the fire hydrant drain valve leaking?
The fire hydrant opened 1, if not fully open fire hydrant, fire hydrant drainage valve is not completely closed, the hydrant water will flow from the drain valve, drain valve 2, resulting in Water Leakage; if the drainage valve sealing surface anomalies (debris jam or sealing surface of a penetrating trauma), thrombus in vivo the water will flow from the drain valve, drain valve caused by Water Leakage.
Q:Can the indoor fire hydrant box position be changed?
You can't change it at will.Large changes require professional fire protection design companies to map out and report to the fire brigade. If not, the space can not be completed. Fire brigade can always come back affixed seals, fines. Pay the money or fire the fire.
Q:What's the use of self rescue fire reel in hydrant?
Is the fire hydrant tubular network, in the early fire, open fire hydrant box, and then open the valve spool, and then dragging the reel toward the fire position, open the valve spool, you can play the role of fire!! The average length is 20m.
Q:Drawings of water supply and drainage, where hydrants are half black and half white ones. Does anyone know what the water supply and drainage software is made of?
Because said Atlas of hydrant circle is half white and half black, so the drawings have said this, and what software Never mind, it is now mostly used CAD, can be added to the painting gallery, there is no problem, the electronic version of general leaf can draw fire hydrant.
Q:How much does it cost to move the fire hydrant?
This is not only the problem of disassembly and fire hydrant, but also need to declare the fire inspection and acceptance procedures! Or filing procedures; single disassembly fire hydrant is generally around 600 yuan!
Q:What is the distance between fire hydrants?
In other single and multi storey buildings, the spacing of fire hydrants shall not be greater than 50m. Minimum spacing shall not be less than 5m.Outdoor fire hydrant spacing shall not exceed 150m.
Q:What is the minimum design pressure for outdoor fire hydrants?
The pressure of the high pressure or temporary high pressure water supply system of the high building (warehouse) shall meet the requirements of the water pressure at the most unfavorable point in the room;
Q:Excuse me, indoor fire hydrant. Thank you. How long is the water column length required?
Indoor fire hydrants test water column length requirements, how many meters, this depends on what type, how large the volume of the building, there are usually three requirements: 7M, 10M and 13M.
Q:What are the requirements for setting up fire hydrants in high-rise buildings?
Hydrant hydrant water pressure should not be greater than 1.00MPa, when greater than 1.00MPa, you should take sub district water supply system. When the outlet pressure of hydrant is greater than 0.50MPa, measures should be taken to reduce the pressure.6, fire hydrant should use the same model specifications. Hydrant hydrant diameter should be 65mm, the length of water should not exceed 25m, nozzle caliber should not be less than 19mm.

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