Xi'an fire extinguisher through functional inspection found problems, must be entrusted to a qualified repair service unit for maintenance, the replacement of damaged parts, cylinder pressure test, re-filling fire extinguishing agent and driving gas. Maintenance units must strictly implement the fire extinguisher system scrapped. Fire extinguisher refill every five years and prior to each of its main pressure parts for a fire extinguisher pictures, such as head, cylinder and so should the hydrostatic test, successful candidates will use before proceeding. After the test should be dried and check the inner wall of fire extinguisher types, there should be no obvious rust. Pressure test failed, not allowed to use other methods of welding repair using. Xi'an carbon dioxide fire extinguisher is mainly used for fighting valuable equipment, archives, instrumentation, 600 volts of electrical equipment and oil since the beginning of the fire. Xi'an when using fire extinguishers, fire extinguishers should first be referred to the fire place, put down the fire extinguisher, pull the pin, hold the handle with one hand fire extinguisher horn roots, one hand gripping pressure to open and close the valve. No hoses to spray carbon dioxide fire extinguisher should pull up the megaphone 70-90 degrees. When used, not directly by holding the megaphone outer wall or metal connecting tube to prevent hands were frostbitten. When using carbon dioxide fire extinguisher, in outdoor use, you should choose upwind direction injection; narrow space used indoors, after extinguishing the operator should quickly leave, to prevent suffocation. Xi'an extinguishers | firefighting equipment Shaanxi Jiwei (certified) | Shenmu fire extinguisher provided by the Fire Equipment Co., Ltd. Shaanxi Jiwei. 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.