Product Features
1.Compact segmental construction for easy disassembly and maintenance;
2.Fully sealed anti-rust shaft avoids medium corrosion;
3.Optional packing/mechanical seal, stable performance & easy servicing;
4.Optimized hydraulic design: high efficiency, wide performance range, low noise;
5.Custom material available for corrosive oilfield water injection.
Main Application
· D type (≤80℃): mine drainage, industrial & municipal water supply, oilfield water injection;
· DG type (std≤105℃ / custom≤120℃): medium & small boiler feedwater, clean hot water transfer.
Model Designation
For example:
Model: D (DG)155-67*9
D-Multistage centrifugal water pump
DG-Multistage boiler feed pump
155-Flow (m³/h)
67-Single-stage head (m)
9-Number of stages
D Multistage Pump Structure Diagram
1,Coupling
2,Shaft
3,Rolling Bearing Assembly
4,Packing Gland
5,Suction Stage
6,Sealing Ring
7,Intermediate Stage
8,Impeller
9,Guide Vane
10,Guide Vane Sleeve
11,Tie Bolt
12,Discharge Stage
13,Balance Ring
14,Balance Disc
15,Stuffing Box
16,Bearing
