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hunan neptune pump

D Series Multistage Centrifugal Pump
D Series Multistage Centrifugal Pump
D Series Multistage Centrifugal Pump

Operation Limits

Capacity:7.5-840m³/h
Head:20-800m

Operating Parameters

Capacity:7.5-840m³/h

Head:20-800m

Application:General residential & industrial water supply & transferring; Agricultural irrigation & drainage, Flood discharge & Emergency drainage; Civil water treatment, Waterworks, Sea water desalination; Air-conditioning, Fire-fighting facilities, High building water supply; Oil & Gas & Chemical processing, Abrasive liquids transferring; Power plant water circulation, Cooling tower & Hot water transferring Mining, Boiler water feeding, etc.

Description
This series multistage pump is a side suction, vertical delivery, horizontal centrifugal pump with diffuser type casing. 
D type pump is applicable for delivering water without solide particle or the liquid which the chemical and physical feature is similar with water and temperature is less than 80℃. It's suitable for mine and municipal water and drainage.
 
Construction
The multistage pump is consisted of stator, rotor, bearing, shaft seal.
1. Stator: consisted of suction casing, discharge casing and diffuser. The casing are held together by external tie rod.
2. Rotor: consist of shaft, impellers, balance disc and shaft sleeve etc. 
3. Bearing parts: consisted of bearing housing, bearing and bearing cover. It's generally rolling bearing lubricated by grease.
4. Shaft seal: packing seal or mechanical seal.
 
Parameters
Flow Capacity: 7.5 - 840 m3/h
Delivery Head: 20 - 800m
Outlet Dia.: 40 - 300mm
Working Pressure: ≤ 6Mpa
Liquid Temp.: 0℃- 150℃
 
 
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/S.S2205 S.S304/S.S316
Shaft Cast Iron S.S420 S.S420/42CrMo S.S630 S.S420/40Cr
Shaft Sleeve Carbon Steel S.S420 S.S304 S.S316/S.S630/S.S2205 S.S304/S.S316
Impeller Cast Iron Ductile Iron Cast Steel/S.S304 S.S304/S.S316/S.S2205 S.S304/S.S316
Wearing Ring Cast Iron Ductile Iron Cast Steel/S.S304 S.S304/S.S316/S.S2205 S.S304/S.S316
Bearing China Make/NSK/SKF/Customized
Seals Mechanical Seals/Gland Packing Seals
 
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    D Series Multistage Centrifugal Pump

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