Change agent maintenance inspection of fire extinguishers fire extinguisher filling filling process: Visual Inspection - relief - Disintegration - hydraulic test - split conducted cylinder drying - Assembly - filling agent, nitrogen - air tightness test - Step 1 factory inspection of fire equipment price list, fire extinguishers detection (relief open fire extinguishers detector heads, valves, siphons, gauge performance is normal fire-fighting equipment, and replacement of damaged parts); Step 2, fire extinguisher cylinder water pressure test, test fire extinguisher cylinder under pressure is deformed 2.5MP scrapped, to detect whether the fire extinguisher cylinder rust corrosion; Step 3, the drying fire extinguisher cylinder; Step 4, refilled extinguishing agents and weight measurement, replace deteriorated extinguishing agent; Step 5, refilled drive gas nitrogen pressure; Step 6, the seal is made after the first injection performance check air tightness checks; Step 7, fire extinguisher cylinder external cleaning cleaning; Article 8 step, paste Dongguan City Fire Department fire extinguisher filled recognized certification label affixed to the self-luminous signs luminous materials: PVC material on the back with glue, gum firm, that is affixed to the tear size:. 15x30cm customize the product according to customer needs is to develop the development of a new generation of environmental protection and efficient storage self-luminous signs. Wear-resistant, waterproof and easy to clean, thin, soft, material stability and weathering resistance. No power supply unit, maintenance-free, safe and reliable, the main features:!. 1 room light after absorbing natural light saturation, can continue to light in the dark state, absorbing the light-emitting process can be repeated two permanent non-toxic, harmless, non-radioactive 3. high brightness, unlimited recycling 4. 5. lower manufacturing costs without any power, is an energy-saving products and the scope for use in fire, marine fire equipment network, underground shopping malls, hotels, all kinds of important places and entertainment, public transportation, public buildings and other people, for emergency evacuation, warning, prohibition, instruction, rescue and other signs. Fire equipment Fire _ _ super fire equipment manufacturers to provide ultra-safe by the Dongguan City, South City Fire Department equipment operators. Fire equipment Fire _ _ super fire equipment factory in Dongguan City, South City Super Fire Department equipment operators (www.jyfire.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact picture on this page or telephone obtain the latest information, contact: Lishao Ji.