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NP-NWRT Ultra Heavy Duty Slurry Pump

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Summary
The flow parts of this pumps are suitable for the flow of state media for it's set shape, which reduces hydraulic loss of eddy and impact, both in pump and along the pipeline; so reduced friction of flow parts, lower noise and vibration of the pump translates into improved hydraulic efficiency.
Pump Type:
Centrifugal
Drvie Type:
ZVz/CRz/CV/DC
Power:
Motor / Diesel
Discharge Size:
Capacity:
Head:
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DESCRIPTION
CONSTRUCTION DARWING
SLECTION CHART
PERFORMANCE PARAMETERS
Naipu® NWRT series centrifugal slurry pumps are superior upgrade for Naipu®AH series Pump. The new four-impeller matching throat bush design improves wear performance and helps our customers reduce total cost of ownership.

Important design features of Naipu® NWRT pumps include:
lEnhance efficiency
lExtends wear life by up to30% - 50% compared to previous designs
lReduce absorbed power 
lImprove performance of the Net Positive Suction Head (NPSH).
lRubber or metal part combinations available
lInterchangeable and refurbished into all current NAH pumps.
 
Naipu® NWRT series centrifugal slurry pumps and spare parts can fully interchange.These pumps are of heavy-duty construction,designed for continuous pumping of highly abrasive and corrosive slurries.They feature a wide choice of replaceable abrasion resistant metal or moulded elastomer casting liners and Impellers,which are all interchangeable within a common casting assembly.
 
1.Double Liner Centrifugal Pump
2.Rubber or high chrome alloy impeller
3.Large flow in medium head
4.Drive type:ZV CV DC CR CL
5.types of 4 seal to prevent leakage:Packing Seal # Expeller Seal # Mechanical Seal # Dyna Seal
 
Typical Applications--
Minerals Flotation Processing
Electric Factory Coal Preparation
Coal Washing
Chemical Medium Processing
Effluent Handling
Salt and Sugar Industry
Sand And Gravel Handling

Naipu® NWRT PUMP COMPONENT

NWRT PUMP MATERIALS OPTION

 

 

 

LINERS

IMPELLERS

CASING

BASE

EXPELLER

EXPELLER RING

SHAFT SLEEVE

SEALS

Standard

Chrome Alloy

Natural Rubber

Chrome Alloy

Natural Rubber

SG Iron

SG Iron

Chrome Alloy

or

SG Iron

Chrome Alloy

or

SG Iron

SG Iron

Rubber

and

Nitrile

Options

Ferralium

Hastelloy C

316 SS

W151

Polyurethane

Neoprene

Butyl

Viton

Nitrile

EPDM

Hypalon

Ferralium

Hastelloy C

316 SS

W151

Polyurethane

Neoprene

Butyl

Nitrile

Hypalon

SG Iron

Various grades

MS

Fabricated

Cast Iron

NI Resist

Ferralium

Hastelloy C

Polyurethane

316 SS

W151

NI Resist

Ferralium

Hastelloy C

316 SS

Rubber

W151

Polyurethane

Neoprene

Butyl

Nitrile

EN56C

Ferralium

Hastelloy C

Titanium

316 SS

304 SS

Ceramic

Stellite

Chrome Oxide

Nordel

Neoprene

Viton

 

Naipu® NWRT PUMP SELECT CHART

NOTE:APPROXIMATE PERFORMANCE FOR CLEAR WATER,TO BE USED FOR PRIMARY SELECTION ONLY.

Naipu® NWRT METAL LINER PUMP WORK PARAMETER

 

Type

Allowable Mating Max.Power(Kw)

Clear Water Performance

Impeller

Capacity/Q m³/hr

Head/m

Speed/rpm

Max Efficiency/%

NPSH/m

Nos of Vane

Impeller Diameter/mm

3/2NWRT

30

40--150

20--85

1300--2700

55

4--6

5

214

4/3NWRT

30

86.4--198

9--52

1000--2200

71

4--6

5

245

6/4NWRT

60

162--360

12--56

800--1550

65

5--8

5

365

8/6NWRT

300

360--828

10--61

500--1140

72

2--9

5

510

10/8NWRT

560

612--1368

11--61

400--850

71

4--10

5

686

12/10NWRT

560

936--1980

7--68

300--800

82

6

5

762

14/12NWRT

560

1260--2772

13--63

300--600

77

3--10

5

965

16/14NWRT

1200

1368--3060

11--63

250--550

79

4--10

5

1067

 

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CONTACT

Tel: 0086-311-87162903

  0086-311-83802338
E-mail: info@naipump.com
Fax: 0086-311-83809529
Add: No.368, Xinshi North Road, Shijiazhuang City, China

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