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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 requirements for setting up fire hydrants in high-rise buildings?
The fire hydrant spacing should be calculated, and the high-rise building should be no more than 30m, the podium should not be greater than 50m.
Q:What are the general components of hydrant water supply system?
System security device. Including: fire valve, roof hydrant, etc..
Q:What is the diameter of the temporary fire hydrant in the construction area?
The construction area is a protected area outside diameter according to the design and calculation of the main pipe is generally between DN100~DN200; pipes between DN80~DN100; single branch bolt shall not be less than DN65; spray pipe branch pipe between DN40~DN80 pipe is not less than DN25.
Q:How many fire hydrants should there be in the city?
According to the standard to do it, the protection radius is 150, the maximum spacing is 120, are the largest, of course, you are more sure that there is no problem with the layout.
Q:What does hydrant SN65 mean? SN refers to the interior? But there are plenty of them outside
The outdoor fire hydrant is set at the outside of the building fire water supply pipe network of water supply facilities, mainly for fire engines from the municipal water supply pipe network or outdoor fire water supply network implementation of fire water, can also be directly connected with a hose and a water gun fire effluent.Therefore, the outdoor fire hydrant system is also one of the important fire fighting facilities.
Q:Has the hydrant been discharged from the main engine?
The following big pump is started by fire hydrant button, not press the hydrant button, how to drain the water, will not start the big pump.If you need to start, press the hydrant button.
Q:Proper connection of fire hose with indoor hydrant and water gun
Use of fire hose. When using the fire hose, the high pressure hose should be placed close to the water pump. The water hose after the water filling should be prevented from twisting or bending suddenly, and the collision of the water hose interface shall be prevented
Q:What is outdoor hydrant water supply system?
High pressure water supply network. Refers to the pipe network often maintain sufficient pressure, the fire does not need to use fire engines or other mobile pumps pressurized, and directly from the fire hydrant out of the water hose, fire fighting. When the building height is less than or equal to 24m, high pressure water supply pipeline outdoor pressure should ensure the production, life, fire water to reach the maximum, and the highest water layout in the protection range of any building, gun full water column should not be less than 10m. When the building height is greater than 24m, the fire fighting equipment should be based on indoor fire fighting equipment.
Q:The main fire hydrant in the basement is connected to the municipal water supply pipe directly. Is there a fire pump and a fire pool?
Should be set, according to the building fire code, fire hydrant water consumption is greater than 15L/s, and there is no suitable alternative water sources, we should set fire pool. In addition to the underground garage located indoor fire hydrant to set a sprinkler system, must be more than 15L/S, so it must be. A fire pump is pressurized into the water in a fire pool. Connection order is: municipal water supply - fire pool - fire pump - fire water supply dry pipeOf course, the fire pool, which is also equipped with liquid level control valves and other accessories.The fire pool is not flat, but tends to slope towards the direction of the suction of the pump. And the water pump absorption tube is usually L type, in order to facilitate the collection of water, so in the pool suction section should be set sink to facilitate water pump suction.
Q:Why did the fire hydrant say "HR"?
Hydrants are mainly fire engines from the municipal water supply network or outdoor fire water supply network to implement fire fighting, but also can directly connect hoses, water cannons, fire extinguishing. Therefore, the outdoor fire hydrant system is also one of the important fire fighting facilities.

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