What should you pay attention to when buying fire hoses?
The unlined cotton hose is a product for use with indoor fire hydrants. It has low pressure resistance and cannot be equipped with various fire trucks. Although its price is low, it is not wear-resistant, and the cumulative use cost is still high, which is not economical.
Describe the location of indoor fire hydrants
In addition to the obvious signs of indoor fire hydrants, its fire hose reels and portable water hoses should also be set with relatively obvious fixed signs. When indoor fire hydrants need to be installed concealed due to aesthetic requirements, there should be obvious signs and should be easy to open and use. The water outlet direction of the fire hydrant outlet should be downward or at a 90° angle to the wall on which the fire hydrant is set, and the hydrant outlet should not be installed on the side of the door shaft.
Introduction of Fire Extinguisher
A fire extinguisher is a portable fire fighting tool. Put chemicals in fire extinguishers to put out fires. Fire extinguishers are one of the common fire prevention facilities. They are stored in public places or places where fires may occur. Different types of fire extinguishers are filled with different components and are designed for different fire causes. Be careful when using it to avoid adverse effects and dangers.
Introduction of commonly used fire valves
Commonly used fire valves include gate valve, globe valve, throttle valve, instrument valve, plunger valve, ball valve, butterfly valve, check valve, remote floating ball valve, solenoid valve, pressure reducing valve, filter, wet alarm valve, etc. Some of them The introduction of fire valve is as follows:
[Heavyweight] Emergency Management Department: The draft of the "Regulations on the Supervision and Administration of Fire Products" is out!
Notice on the public solicitation of opinions on the "Provisions on the Quality Supervision and Administration of Fire Products (Revised Draft for Comments)"
Hard core test: fire test comparison with automatic sprinkler system vs without automatic sprinkler system
Installation of automatic sprinklers VS places without automatic sprinklers
29 dead in Quanzhou Xinjia hotel collapse
On March 7, 2020, the Quanzhou Xinjia Hotel, which was used for centralized isolation, collapsed. At the time of the incident, a total of 71 people were trapped in the building, most of whom came to Quanzhou from other places for centralized isolation and health observation. After rescue, 42 people were trapped in the building. One person survived, and 29 others unfortunately died.
Photos of common quality problems and correct practices in the installation of water supply and drainage pipes are worthy of collection!
Common quality problems: the length and direction of the bolts in the flange connection do not meet the specifications, and the bolts are polluted. (paragraph 5 of Article 3.3.15 of GB 50242-2002: The diameter and length of the bolts connecting the flanges should meet the standards. After tightening, the length of the protruding nut should not be greater than 1/2 of the diameter of the screw.)
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