Shenyang pump products sales co., LTD
Model No.: DG
Boiler Feed Pump: Sub-high Pressure Pump
Place of Origin: shenyang
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
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.
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 sliding bearings. Thin oil lubrication, and cooled with circulating water. Balancing disk is used for balancing of rotor axial thrust. Use return pipe between the balance chamber and front section.
Sub-high pressure boiler feed water pump driven by motor through flexible coupling. Direction from the drive, the pump is clockwise.
front section---------high quality carbon steel
middle section--------high quality carbon steel
back section ---------high quality carbon steel
guide vane -----------high quality carbon steel
impeller ----------------high quality carbon steel or stainless steel
shaft sleeve ----------high quality carbon steel
impeller gear set ---stainless steel
guide vane set -----stainless steel
balance plate -------stainless steel
balance disk ---------stainless steel
balancing sleeve----stainless steel
balance disc -----------chrome steel
balance sleeve --------chrome steel