Welcome to Shijiazhuang Naipu Pump Co.,Ltd

    

  • Name: NP-SP Vertical Sump Pump
  • Number: 0.3.1
  • Pump Type: Vertical centrifugal slurry pumps
  • Drvie Type: BD/DC
  • Power: Motor
  • Discharge Size: 40mm-200mm
  • Capacity: 5.4-247.5 l/s
  • Head: 4.5m-37m
  • Views : 1028

immediate inquiry


Naipu® NP-SP pumps are vertical, centrifugal slurry pumps submerged in sump to work.They are designed for delivering abrasive,large particle and high density slurries.These pumps have no need of any shaft seal and sealing water. They can also be operated normally for insufficient suction duties.Wet parts of type NP-SP pump are made of abrasion-resistant metal. All parts of type NP-SP(R) pump immersed in liquid are lined with rubber outer liner.They are suited to transport non-edge angle abrasive slurry.

Typical Applications---

  Sump drainage washdown
  Floor drainage
  Mill sumps
  Carbon transfer
  Monitoring
  Magnetite mixing


NP-SP(R) Sump Pump Showing Component
 

Metal Sump Pump - NP-SP Elastomer Sump Pump - NP-SPR
 

 

Main Part Number At The Drawing
 

1.Discharge Pipe
2.Column
3.Strainer
4.Back Liner
5.Impeller
6.Pump Casing
7.Lower Pipe

 

Materials of Construction
 

 

IMPELLERS

CASING

COLUMN

DISCHARGE

SEALS

Standard

High Chrome Alloy  Rubber

High Chrome Alloy  Rubber

Mild Steel
Mild Steel Rubber Lined

Mild Steel
Mild Steel Rubber Lined

Natural Rubber
Rubber

Options

Butyl
EPDM
Hypalon
Polyurethane
316 SS
W 151

Neoprene
Butyl
EPDM
Hypalon
Nitrile
316 SS
W 151

Neoprene
Butyl
Nitrile
316 SS

Neoprene
Butyl
Nitrile
316 SS

Nordel
Neoprene
Viton
Hypalon
Butyl
EPDM


NP-SP(R) SUMP PUMP SELECTION CHART
 

 

 

Note:Approximate performance for clear water,to be used for primary selection only.


NP-SP SUMP PUMP PERFORMANCE PARAMETERS
 

Type

Allowable Mating Max. Power(Kw)

Range  Of  Performance

Impeller

Capacity/Q

Head/m

Speed/rpm

Max Efficiency/%

No. of Vanes

Impeller Diameter/mm

m³/hr

L/S

40PV-NP-SP

15

19.44-43.2

5.4-12

4.5-28.5

1000-2200

40

5

188

65QV-NP-SP

30

23.4-111

6.5-30.8

5-29.5

700-1500

50

5

280

100RV-NP-SP

75

54-289

15-80.3

5-35

500-1200

56

5

370

150SV-NP-SP

110

108-479.16

30-133.1

8.5-40

500-1000

52

5

450

200SV-NP-SP

110

189-891

152.5-247.5

6.5-37

400-850

64

5

520

250TV-NP-SP

200

261-1089

72.5-302.5

7.5-33.5

400-750

60

5

575

300TV-NP-SP

200

288-1267

80-352

6.5-33

350-700

50

5

610