DQG series single stage single suction pipeline centrifugal pumps are designed by scientists and engineers of our company and domestic water pump experts, which select the domestic excellent hydraulic model, adopt the performance parameters of the centrifugal pump of Model IS. Besides, according to different using temperature and medium, we develop pumps applicable for hot water, high temperature, corrosive environment, oil transporting, etc. on the basis of Model DQG. The series of products have the characters of saving power, low noise, reliable performance, etc. They are comply with the latest standard of national mechanical department JB/T53058-93, and are designed and made in accordance with the international ISO2858 standard.