Overview: DG-type sub-high pressure boiler feed pump as sub-high pressure boiler feed water or other water supply purposes, the transmission medium temperature does not exceed 160℃ Flow rate: Q=36~180m³/h Head: H:=409~1056m Structure: This pump is a multi-stage centrifugal pump casing section. The inlet and outlet are vertically upward. Front, middle and rear section connected with the wear bar into one, each section depends mainly on the joint surface between the stationary seal the metal surface outside, and with O-type rubber ring as a secondary seal. Seal: Sub-high pressure boiler feed pump used soft packing seal or mechanical seal according to user's needs. Packing gland, packing chamber cooled with cooling water. With the seal at the sleeve can be replaced to protect the shaft. Bearing and balancing devices: Sbu-high pressure pump rotor from the pump to support both ends of the…