powder fire extinguisher(foam)

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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:What are the specifications for indoor fire hydrants?
The hydrant hydrant should be 1.10M from the ground, and the direction of the water outlet should be downward or perpendicular to the wall of the hydrant.
Q:How do you put the fire hydrant pipe out?
Another reel is gun hose, hose dry, fold back, and put a gun to test Behring head, from the start at the fold roll into a disc, finally left the gun and Corbelin of the head, hanging in the box on the wall. This makes it easy to start fire without twisting.Outdoor fire hydrant hose longer, coiling.
Q:What is the height of the outdoor hydrant from the ground?
The position sign of outdoor fire hydrant should be obvious, and the position of bolt should be operated conveniently. When the wall adopts the wall type, if the design does not require the center of the entrance of the inlet and outlet, the installation height shall be 1.10M from the ground, and the measures against falling objects shall be provided above.
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:What is a dry hydrant?
Dry fire hydrant, usually indoor fire hydrant, because the conditions are limited, can not guarantee water in the fire hydrant, dry. This set of fire hydrant, fire, fire by car or motor fire pump can pump adapter to provide fire protection water dry standpipe.
Q:Fire hose and water gun head connection, fire hose and hydrant connection, sealing is not good, always leaking
In theory, there are two solutions, one is the replacement of fire hose buckle or rubber gasket, and the other is the replacement of fire hydrant port interface.
Q:Where is the starting line of the fire hydrant in the fire fighting module?
The other two lines are called feedback line, is to use water pump started after the scene all the fire hydrant button a feedback signal, when you see the fire hydrant button on the light that the feedback signal has already arrived, is actually the control cabinet given pump starts a 24V DC power supply signal, the signal power supply let the fire hydrant button on the lamp can light up, if the water pump control cabinet can give a DC 24V signal, you should use the relay on it
Q:Fire hydrant, B, C what is the difference?
B is a hose circle, no hose reel, no hose rack.
Q:What is the diameter of the temporary fire hydrant in the construction area?
Construction area is divided into indoor and outdoor, and temporary fire hydrant pipe diameter is not the same.
Q:What are the specifications for hydrants in the green belts?
The outdoor fire hydrant has ground fire hydrant and underground hydrant, and the setting of fire hydrant is as follows: relevant requirements of GB50016-2006 code for building fire protection design. Indoor and outdoor fire hydrant should have obvious signs, and components are complete, components should include: water gun head, water bag, hydrant special wrench (middle hole is square), components box should be set beside fire hydrant.

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