8 Inch Large Gold Suction Dredge Pump

Product Details
Customization: Available
Max.Head: 30-50m
Max.Capacity: >400 L/min

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Management System Certification
ISO 9001, ISO 9000, ISO 14001
OEM/ODM Availability
Yes
  • 8 Inch Large Gold Suction Dredge Pump
  • 8 Inch Large Gold Suction Dredge Pump
  • 8 Inch Large Gold Suction Dredge Pump
  • 8 Inch Large Gold Suction Dredge Pump
  • 8 Inch Large Gold Suction Dredge Pump
  • 8 Inch Large Gold Suction Dredge Pump
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Basic Info.

Model NO.
10/8 F-G
Driving Type
Motor
Impeller Number
Single-Stage Pump
Working Pressure
High Pressure Pump
Influent Type of Impeller
Single Suction Pump
Position of Pump Shaft
Horizontal Pump
Pump Casing Combined
Horizontal Split Pumps
Mounting Height
Suction Centrifugal
Impeller
Closed
Usage
Pump, Pumps, Condensate Pump, Slurry Pump, Circulating Pump
Pump Model
10/8f-G
Suction Size
10 Inches
Discharge Size
8 Inches
Application
Suction Hopper Dredging, Barge Loading
Certificate
Ce, ISO, SGS
Drive Type
CV/Zvz/Dcz
Seal Type
Packing /Expeller/Mechanical Seal
Transport Package
Wooden Case
Specification
CE, ISO, SGS
Trademark
Naipu or OEM
Origin
China
HS Code
8413701090
Production Capacity
500sets/Month

Product Description

8 inch Large Gold Suction Dredge Pump

Naipu NP-G series of dredge and gravel pumps is designed specifically for continous pumping of extremely aggressive slurries, with a wide particle size distribution. Capable of handling large particles at consistently high efficiencies results in low cost of ownership. The large volume internal profile of the casing reduces associated velocities further increasing component life.

Typical Application -
Slag Granulation
Suction Hopper Dredging
Dredging
Barge Loading
Sand reclamation
Sugar beet


Product Overview
8 Inch Large Gold Suction Dredge Pump
8 Inch Large Gold Suction Dredge Pump







10/8F-G Pump Parts List 
 
10/8 F-G Pump Parts List 
1 Oil Cup  D138
2 O Ring  F109
3 Frame Plate   FG8131
4 Cover Plate  FG108013
5 Impeller  FG8137
6 Frame Plate Liner FG8041
7 Shaft Spacer F117
8 Stuffing Box  F078
9 Expeller  F028
10 Base  F003M
11 Lantern Restrictor F118
12 O Ring  FG8124
13 Labyrinth Ring  F108
14 Shaft Sleeve  F075
15 Lantern Ring  F063
16 Packing Seal  F067
17 Gland Assembly F044
18 Volute Liner Seal  F10124
19 Suction Gasket  FG10132
20 Discharge Gasket  F8132
21 Bearing Assembly F004
22 End Cover  F024-10
23 Labyrinth Sleeve F062-10
24 Shaft  F073MZ
25 End Cover  F024
26 Labyrinth Sleeve  F062
27 Packing Gasket  F011
28 Bearing Assembly F005M


Workshop Photos

Naipu mainly Produce Slurry Pumps, Sand Gravel Pumps, Dredging pumps etc.
We have Mould Workshop,Casting Workshop,Machining Workshop,Assemblying Workshop etc.
Our Pumps and spares can be interchangeable with AH HH M L G AF SP series.
We can do Customized pumps and spares if you supply us drawings or samples.


8 Inch Large Gold Suction Dredge Pump




Quality Control System 

We have about 15-30 QC,we test each pump and parts before delivery.



Possible Faults and Settlements 
 
        Faults      Reason        Settlement
1.Pump fails to discharge any water,The hand of pressure gauge beat violently  1.Suction pipe don't have enough water.
2.Suction pipe blocked or the valve is locked.
1. Inject enough water
2.unlock the inlet valve,clear the blocks
3.Exclude the air leakage 
2.The pump can't discharge water,the hand of vacuum meter beat heavily.  1.The inlet valve is unlocked or silted up.
2.The resistance of suction pipe is too big or silted up.
3.The height of suction is too high. 
1.Unlock the valve or desilting 
2.improve the design of  suction pipe or desilt 
3.Lower the height of the installation.
3.The pump can't discharge water,pressure gauge shows heavy pressure. 1.The resistance of the discharge pipe is too big.
2.The impeller blocked
3.The speed is slow.
1.Check and adjust the outlet pipe.
2.Clear the impeller
3. Improve the speed.
4.The pump doesn't rotate  The volute is silted up by the blocks.  Clear the blocks
5.The capacity is not enough  1.The blocks of the impeller or the inlet or outlet pipe.
2.The abrasion of the impeller is heavily.
3.The speed is low to normal 
4.Pump is installed unreasonably or the leakage of the inlet pipe.
5.The transporting height is too high,the loss of the resistance of the inside pipe are too big.
6.The inlet valve not open enough or blocked
7.The packing seal leaks
1.Clear the impeller or pipe.
2.Change the impeller


3.Adjust the speed
4.Install again or stop leaking.

 
  1. Decrease the height of the transport or reduce the resistance.
  2. Unlock the inlet valve
 
  1. Compress the packing tightly
6.The motor of the pump is overloaded  1.The head of the pump exceeds the head of the working condition.
2.Not consider the slurry density when selecting the pump.
3.The packing press tightly
1.Turn down the outlet valve,cut the impeller or lower the speed.
2.Select the motor again.
3.Adjust the the screw of the  packing gland 
7.Abnormal sound in the pump, and no water out 1.The resistance of the inlet pipe is too big.
2.The height of the suction is too high.
3.Cavitation occurred 
  1. there is air in the inlet
  2. The temperature of the liquid is too high
  1. Clear the suction pipe and sluice valve.
  2. Lower the height of the suction 
  3. Adjust the water valve and let the pump operate in the defined limits.
  4. Block the leakage.
  5. Lowering the liquid temperature.
8.pump vibrates 1.pump cavitate 
2.The block of the impeller single vane 
3.The no concentricity  between the pump shaft and motor shaft
4.Fasteners or foundation loose
1.Adjust the water valve ,lower the height of the installation,reduce the resistance of the inlet.
2.Clear the impeller
3.Alignment again
4.Fasten the screw,and reinforce the foundation.
9.Bearing is overheat  1.lock the cooling water
2.lubrication is not good.
3.the lubrication oil is not clear
4.the wrong direction of the thrust bearing.
5.there is something wrong with the bearing.
  1. Open the cooling water
  2. Adjust the oil quantity 
  3. Clear the shaft,change oil
  4. According to the inlet pressure,adjust the direction of the thrust bearing.
  5. Change the bearing 
10.Packing short life  The material of packing is not good  Change the packing 
11.pump leak oil 1.High oil level
2.The rubber parts invalid  
3.Assembly problem
1.Lower the oil level
2.Change rubber spares
3.Adjust the assembly
 
12 Pump head leaking  1.The rubber parts not press well Assembly again or press tightly 

Contact US

Contact Person: Karen Tan 

 


 

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