foam 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: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:What's the difference between the fire box and the fire hydrant box?
A fire box is a box with fire extinguishers, such as a fire extinguisher, a fire bucket, a fire shovel, and a fire blanket.A fire hydrant box is a box with fire hydrant, fire hose, water gun, water hose and remote start button.The difference is that the contents are different.
Q:What's the difference between fire hydrant and fire hydrant box?
Fire hydrant is mainly outdoors, no water hose, is convenient for firefighters in the supply of fire engines or water supply or fire engines can not enter the area when the facilities used.
Q:Will the fire hydrant press the pump button to call the police?
When the alarm host is hung manually and automatically, as long as the fire hydrant pump button is pressed, the fire alarm host will send out alarm sound and alarm signal.
Q:District floor fire hydrant belongs to the Department of property management
High and low pressure fire water supply system, including pump, pipeline, indoor fire hydrant and fire doors, fire extinguishers, fire exits and other light, by the property management companies responsible for maintenance and management, and accept the supervision and inspection of public security fire department.
Q:What's the use of self rescue fire reel in hydrant?
Fire hose reel is called "fire hose reel". It is composed of valves, input pipes, hoses, spray guns, etc., and can be used to spray fire extinguisher in the process of expanding hoses quickly. Open the cabinet, release the fire reel, connect the water pipe, turn on the water valve, you can put out the fire. There is a water pipe in the fire reel. We can draw the water pipe from the reel to fire in the place where there is fire.
Q:How can fire water tank be connected with fire hydrant and spray pipe?
Fire hydrant system only need to check out from the water tank after the check valve access to the top of the fire hydrant ring pipe on the line, the sprinkler system need to water access to the alarm valve before the spray ring pipe. Considering the hydraulic pressure, it is possible to increase the voltage stabilizing equipment
Q:Fire control system, the hydrant button directly to start with a few lines, how to pick up?
Four or six lines.
Q:Has the hydrant been discharged from the main engine?
There is no high water tank and voltage regulator, will not start the pressure regulator pump. If yes, it will start the constant pressure pump.
Q:Working principle of fire hydrant?
Hello, this hydrant doesn't have a start button. Take a closer look at it. A hexagonal screw on the top needs a special wrench to unscrew itFire hydrant pressure is very large, ice volume will become larger, because there is pressure, water can not go back, if the fire hydrant poor quality, it is easy to crack!

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