Common materials of fire water system
1、 Type of fire water supply pipe
1. Ductile iron pipe: mainly used for buried pipeline in front of alarm valve of automatic sprinkler system and buried pipeline of fire hydrant system.
2. Welded steel pipe: mainly used for buried and overhead pipelines of fire hydrant system and buried and overhead pipelines in front of alarm valve of full-automatic sprinkler system and water spray system to transport low-pressure fluid. According to the wall thickness, it can also be divided into ordinary steel pipes and thickened steel pipes. According to the difference of processing technology, it can also be divided into ordinary welded steel pipe and hot-dip galvanized welded steel pipe.
Common fire extinguishing methods for families
Once you start a fire at home, you should not panic first, and then take scientific methods to extinguish it. Several common fire extinguishing methods are introduced:
How to use common fire extinguishers
First: How to use dry powder extinguisher
Scope of application: It is suitable for fighting all kinds of flammable, combustible liquid and flammable, combustible gas fires, as well as electrical equipment fires.
Dry powder fire extinguisher use range
How to use and precautions:
1. When the portable dry powder fire extinguisher is used, one is to pull the pull ring, and the other is to press the pressure handle, and then the dry powder is sprayed out. However, it should be noted that the insurance pin must be unplugged first, otherwise no dry powder will be ejected.
Minister of Public Security Meng Jianzhu recently signed the Order No. 119, No. 120 and No. 121 of the Ministry of Public Security, and issued the revised Regulations on Fire Protection Supervision and Management of Construction Projects, Fire Supervision and Inspection Regulations and Fire Accident Investigation Regulations, which will be held in November this year. It will be implemented on the 1st.
Zhejiang Youtaike Fire Equipment Co., Ltd.is a modern enterprise specializing in the research and production of fire fighting equipment
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