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Pneumatic solutions for the aluminum industryHengli Fluid has introduced Germany's intelligent casing cylinder technology and developed DQG intelligent casing cylinders and DQG series casing cylinders that meet the requirements of the Chinese market. They can meet the harsh environment of aluminum electrolysis cells and can operate at a normal temperature of+150 ℃ (300 ° F). When anode effect occurs or the electrolytic cell starts, the intermittent temperature can reach+200 ℃ (390 ° F)