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The GC series boiler feed pump is multi-stage single-suction sectional horizontal centrifugal pumps. The pumps are suitable for pumping clean water or other liquids whose physicochemical property is similar to that of clean water. The GC pumps are widely used in boiler feed water, industrial, commercial and residential facilities for water supply. The shaft seal can adopt soft gland packing or mechanical seal for selection. The suction and discharge are vertical upward.