Multistage Pump

Multistage centrifugal pump DG series

Flow: 7.5 - 840 m3/h
Delivery Head: 19 - 816m
Outlet Dia.: 40 - 300mm
Liquid Temp.: 0℃-120℃
Product description: multistage pump, boiler feed pump, high pressure pump, hot water pump
INQUIRY

The DG series horizontal multistage ring section centrifugal pump is specially designed for hot water transferring, with the features of high efficiency', wide performance range, steady and safety operation, low noise and easy installation.

It can deliver the clean water, sewage water, corrosive liquid, hot water, sea water and oil liquid by selecting different material of flow passage parts. It is widely applied to industrial water supply and discharge, power plant hot water circulation, Heating factory and supply system, boiler feeding, high building water supply, fire fighting applications, mining water discharge, long distance water transmit, etc.

Main Performance Data

Flow: 7.5 - 840 m3/h

Delivery Head: 19 - 816m

Outlet Dia.: 40 - 300mm

Working Pressure: ≤ 9Mpa

Solid Particle: ≤ 80mg/L

Liquid Temp.: 0℃- 120℃

Model Instruction
E.G.: DG46-50X4
DG: Multistage centrifugal pump for hot water
46: Rate flow capacity is 46m3/h
50: Rate head of 1 stage is 50m
4: Number of stage of the pump is 4.

Applications

Industrial water supply and discharge,

Civil water supply & treatment

Irrigation & Drainage,flood disposal,

Oil, gas & petrol liquid processing,

Hot water & raw water transferring,

Chemical & Sea water transferring,

Power station water circulation,

Heating factory & heating system,

Mining water supply & drainage,

Main Parts Configuration
The pump could be applied to transfer different kinds of liquid by customized wet parts, here followed our recommendation of main configuration:

Parts Name	Clean Water	Sewage	Hot Water	Corrosive Liquid	Oil Liquid
Pump Body	Cast Iron	Ductile Iron	Cast Steel/S.S304	S.S304/S.S316/Duplex S.S2205	S.S304/S.S316
Shaft	Carbon Steel	S.S420	S.S420/42CrNi2Mo	S.S304/42CrNi2Mo/17-4PH	S.S420/40Cr
Shaft Sleeve	Carbon Steel	S.S420	S.S304	Duplex S.S2205/17-4PH	S.S304/S.S316
Impeller	Cast Iron	Ductile Iron	Cast Steel/S.S304	S.S304/S.S316/Duplex S.S2205	S.S304/S.S316
Wearing Ring	Cast Iron	Ductile Iron	Cast Steel/S.S304	S.S304/S.S316/Duplex S.S2205	S.S304/S.S316
Bearing	China Make/NSK/SKF
Seals	Mechanical Seals/PTFE Packing Seals