Xi'an automatic fire extinguishing system according to the main material is divided into two categories: Heptafluoropropane, mixed gas automatic fire extinguishing system. Features: heptafluoropropane (HFC-227ea) automatic fire extinguishing system is a high-performance fire fighting equipment, its fire extinguishing agent HFC-ea is a colorless, odorless, low toxicity, good insulation, no secondary pollution of gas underground fire hydrant atmospheric ozone depletion potential (ODP) of zero, is the alternative to Halon 1211, 1301 the best alternatives. Xi'an fire extinguisher is a portable fire extinguisher by human movement with outdoor fire hydrant, which can in its internal pressure, the filling of the extinguishing agent spray for fire fighting. Fire extinguisher fire hydrant in many dimensions, its scope of application are different, only the correct choice of the type of type of fire extinguishers in order to effectively put out different kinds of fire, to achieve the desired effect. China's current national standards will be divided into portable fire extinguishers and fire extinguisher car fire extinguisher push. Here people often see and access to extinguishers classification, application and use as has been briefly. Fire hydrant models _ Shaanxi Jiwei equipment (certified) _ Xi'an, Shaanxi Jiwei hydrants provided by the Fire Equipment Co. Shaanxi Jiwei Fire Equipment Co. (www.jiweixiaofang.com) (www.jiweixiaofang.com) is Xi'an, other leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Jiwei leader in fire-fighting equipment in Shaanxi with the staff warmly welcome all inquiries negotiations to create fire-fighting equipment Shaanxi Jiwei better future.