... light, efficient and movable fire control equipment based on ABC dry powder extinguishing agent—— ammonium phosphate. The driving gas——nitrogen, ... vehicle and ship. Company office B). Description --- 4kg dry powder fire extinguisher (stretching cylinder) Type:4KGItem No.:KTX-15Out- ... 3. Working pressure: 18Bar; 4. Test Pressure: 27Bar;Portable Dry Powder fire extinguisher1kg, 2kg, 3kg, 4kg,5, 6kg, 8kg, ...