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Retirement age retirement age extinguisher dry powder fire extinguisher from the date of the factory, to achieve the following years, and must be scrapped: portable dry powder fire extinguisher (cartridge-) --10 years portable stored pressure dry powder fire extinguishers --10 years transportable powder Fire extinguishers (cartridge-) --10 years carts stored pressure dry powder fire extinguisher --10 points in August to store a dry powder extinguishing system storage device from a dry powder suitable storage container, the container valves, safety relief valve, driving gas storage bottle , bottle valve, manifolds, valves, pressure alarm and control devices and other components. And shall meet the following requirements: 1, dry storage containers should be consistent with existing national standards "Pressure Vessel Safety Technology Supervision" requirement; driving a gas storage bottle and filling coefficient should be consistent with existing national standards "Gas Cylinder Safety Supervision" requirement . 2, dry storage container designed to pressure 1.6MPa or 2.5MPa pressure desirable level, its installed capacity coefficient powder extinguishing agent shall not be greater than 0.85, the pressurization time should not exceed 30s. 3, the operating pressure safety relief device and rated emissions should be the existing national standard "dry powder extinguishing systems components General technical conditions" GB16668 execution. 4, dry storage containers shall meet the driving gas coefficient, dry storage capacity output container valve outlet dry powder delivery rate and pressure requirements. Second, the drive gas should be used in an inert gas, nitrogen should be chosen; the moisture content of carbon dioxide should not exceed 0.015% (m / m), other gas shall not exceed 0.006% (m / m); driving pressure shall not exceed the maximum working pressure of dry storage containers , otherwise easily lead to accidents. Third, the powder extinguishing system layout storage device should facilitate the inspection and maintenance, and should avoid direct sunlight. The environmental temperature should be -20 ℃ ~ 50 ℃. Fourth, the dry powder extinguishing system should be provided in the storage device between a dedicated storage device. Set up a dedicated storage room shall meet the following requirements: 1, should be close to the protected area, exports should direct access to outdoor or evacuation routes. 2, fire resistance rating of not less than two. 3, should be kept dry and well-ventilated, and emergency lighting shall be provided. Fifth, when the take moisture, frost, fire and other measures, local application fire-extinguishing system storage devices can be set within a fixed safety fence. Tel: 021-63574251 15900885584 Fang welcome you to inquire!