fire alarm group

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Product Description:

alarm bell
1.Have CE certificate
2.can be customized in diffient volt and color
3professional in this field for 17years

warning bell
1) We have electric fire bells in a series of different specifications

2)  Voice in the form of vibrato

3)with intermittent. Resistance to work long hours, no electromagnetic interference. Electrical service life

4)can be based on customer requirements, customized products with different voltage
5) Welcome to E-mail us for further information


sizedia(mm)current(<=ma)power(va)
255508
3758010
41009722
615010025
820010525
1025012530
1230015035


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Q:What are the general components of hydrant water supply system?
Indoor fire hydrant equipment. Including: fire hydrant, fire hose, hose, gun
Q:What's the size of the fire hydrant box?
Concealed single bolt box =800*650*160;
Q:What does the four button of the fire hydrant button mean?
The first regular fire hydrant button needs 6 lines, two signal line, the nearest from the smoke temperature beside the sense, at the hand and drew the remaining 4 roots, two is the pump power line, press the button to start the fire hydrant fire pump with the other two, is the answer to the line of lights, fire pump start button on the fire hydrant display lights. I wonder if you understand this explanation. I hope I can help you.
Q:What are the factors of fire hydrant button alarm?
What you said should be the fire hydrant pump button. Its function is to start the fire pump remotely. According to the relevant national standards, it can be installed outside the fire hydrant box or in the fire hydrant box. When the pump button and the fire alarm system manual alarm button using the same product, should be affixed to the top of its obvious logo.
Q:What is the basis of DN100 and DN150 for hydrant pipe diameter?
The fire fighting system includes outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and some automatic sprinkler system, water gun system, gas fire extinguishing system, fire detection system, water mist system and so on. Fire hydrant mainly for fire engines from the municipal water supply network or outdoor fire water network to implement fire fighting, can also be directly connected to the hose, water gun fire extinguishing. Therefore, indoor and outdoor fire hydrant system is also one of the important fire fighting facilities.
Q:Are hydrants, feed pumps, and fire pumps alike?
Fire hydrant pump should be accurate for fire hydrant pump, fire pump including fire hydrant pump, water pump, water spray sprinkler pump etc..
Q:Must Internet cafes install fire hydrants? How should they be installed? Who will be installed?
To take note of this Internet bar is not alone, alone to calculate volume (area by high), if not alone (that is, in a building inside), that will calculate the whole building, the Internet is a part of the building, would you like a fire hydrant must look at the entire building and.
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.
Q:Roof pressure test water test, fire hydrant on the pressure gauge should usually indicate how much?!
Fire hydrant system is not the end testing device, usually on the roof will be provided with a roof hydrant, used to test the hydraulic end testing device is mainly used to test the automatic sprinkler system pipe network pressure, generally each floor set at least at the most unfavorable position in the floor, at the end of the pipe generally have a hydrostatic pressure gauge in general, the pressure is greater than 5 kg of qualified there is the end of drainage test, the central control cabinet must be water spray pump, pump start signal indicating signal, to test whether the system linkage.
Q:How much is the indoor hydrant from the ground?
Hydrants, officially called fire hydrants, are a type of fixed fire fighting facilities, which control fuel, insulate fire and eliminate fire. Indoor fire hydrant and outdoor hydrant. The fire fighting system includes outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and some automatic sprinkler system, water gun system, gas fire extinguishing system, fire detection system, water mist system and so on. Fire hydrant mainly for fire engines from the municipal water supply network or outdoor fire water network to implement fire fighting, can also be directly connected to the hose, water gun fire extinguishing. Therefore, indoor and outdoor fire hydrant system is also one of the important fire fighting facilities.

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