KQTLR series desulfurization pumps Specifications Range of head: (m). Range of head: 500 ~ 1050. m Range of quantity(m3/h). Range of quantity: 12â??280m3/h. Introduction The desulfurization pumps of the KQTL(R) series are single-stage single-suction horizontal centrifugal pumps, researched and developed by Kaiquan Group for desulfurization purification devices used for coal-fired units in thermal power plants. They are mainly used as circulation pumps for absorption towers in wet FGD devices to convey limestone and gypsum slurry. The products draw on features of domestic and similar foreign products, they are safe and reliable to operate, easily maintained, provide efficient operation and energy conservation, have a long service life and other advantages.