Clz Series Marine Vertical Self-Priming Centrifugal Pump

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Customization: Available
After-sales Service: Provide 24 - Hour Online Technical Support
Warranty: Free Maintenance Within One Year
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  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
  • Clz Series Marine Vertical Self-Priming Centrifugal Pump
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Basic Info.

Max.Head
50-80m
Max.Capacity
>400 L/min
Driving Type
Motor
Impeller Number
Single-Stage Pump
Working Pressure
Middle Pressure Pump
Influent Type of Impeller
Single Suction Pump
Position of Pump Shaft
Horizontal Pump
Pump Casing Combined
Horizontal Split Pumps
Mounting Height
Since Irrigation Centrifugal Pumps
Impeller
Closed
Usage
Pump, Pumps
Capacity M3/H
10-250
Head M
16-32
Speed R/Min
2900
Voltage
380V
Transport Package
Wooden Case Packaging
Trademark
Cagon
Origin
China
HS Code
8413709990
Production Capacity
1000PCS/Month

Product Description

CLZ series marine vertical self-priming centrifugal pump
CLZ series marine vertical self-priming centrifugal pumps are used at cabin bottom to cool water and fight fire.It is able to carry sea water under 70 degrees.Fresh water and other non-eroding liquid.


Main technical parameter

Type
(50Hz    3 φ 380v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
 Head
m
Speed r/min  NPSHr
m
Shaft power
kw
40CLZ-2 5 60 2900 3.5 3.9 Y132S1-2H 5.5 170
40CLZ-2A 4 54 2900 3.5 3.2 Y132S1-2H 5.5 170
40CLZ-4Z 5 32 2900 3.5 1.6 Y90L-2H 2.2 130
40CLZ-4AZ 5 22 2900 3.5 1.2 Y90S-2H 1.5 123
40CLZ-4ZS 5 32 2900 3.2 1.6 Y90L-2H 2.2  
40CLZ-4AZS 5 22 2900 3.2 1.2 Y90S-2H 1.5  
50CLZ-3 10 40 2900 3.2 3.4 Y112M-2H 4  
50CLZ-4Z 20 50 2900 3.2 6.1 Y132S2-2H 7.5 175
50CLZ-4AZ 17 46 2900 3.2 5.0 Y132S2-2H 7.5 175
50CLZ-4.5Z 12.5 32 2900 3.2 2.5 Y112M-2H 4 153
50CLZ-4.5AZ 10 28 2900 3.2 1.8 Y100L-2H 3 144
50CLZ-6 20 32 2900 3.2 3.2 Y112M-2H 4 162
50CLZ-6S
50CLZ-6A 17 28 2900 3.2 2.5 Y112M-2H 4 162
50CLZ-6AS
50CLZ-7Z 12.5 20 2900 3.5 1.7 Y100L-2H 3 144
50CLZ-7AZ 10 17 2900 3.5 1.2 Y90L-2H 2.2 135
50CLZ-9Z 25 14.5 2900 3.5 1.7 Y100L-2H 3 144
65CLZ-3 25 85 2950 4 16 Y180M-2H 22  
65CLZ-4 35 70 2950 3.2 13.9 Y160L-2H 18.5 438
65CLZ-4A 32 65 2950 3.2 12.1 Y160M2-2H 15 413
65CLZ-4B 20 60 2950 3.5 9.2 Y160M1-2H 11 398
65CLZ-5.5 35 50 2950 3.2 9.5 Y160M2-2H 15 413
65CLZ-5.5Z 293
65CLZ-5.5A 30 48 2950 3.2 8.2 Y160M1-2H 11 408
65CLZ-5.5AZ 288
65CLZ-5.5BZ 25 45 2900 3.2 6.4 Y132S2-2H 7.5 258
65CLZ-6
25

32

2900

3.2

4.2

Y132S1-2H

5.5
240
65CLZ-6S 190
65CLZ-6ZS 176
65CLZ-6A
21

28

2900

3.2

3.1

Y112M-2H

4
212
65CLZ-6AS 164
65CLZ-6AZS 150
65CLZ-8 35 32 2900 3.2 5.6 Y132S2-2H 7.5 265

Type
(50Hz    3 φ 380v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
 Head
m
 Speed r/min  NPSHr
m
Shaft power
kw
65CLZ-8A 32 28 2900 3.2 4.5 Y132S1-2H 5.5 260
65CLZ-9Z 25 20 2900 3.5 2.3 Y100L-2H 3 144
65CLZ-9AZ 21 17 2900 3.5 1.6 Y90L-2H 2.2 135
80CLZ-3 50 120 2950 3.5 35.5 Y225M-2H 45 668
80CLZ-3A 45 110 2950 3.5 29.3 Y200L2-2H 37 583
80CLZ-4 50 80 2950 3.5 21.8 Y200L1-2H 30 485
80CLZ-4A 50 70 2950 3.5 19.5 Y180M-2H 22 450
80CLZ-4B 45 62 2950 3.5 16.2 Y160L-2H 18.5 420
80CLZ-6 50 50 2950 3.5 11.7 Y160M2-2H 15 372
80CLZ-6A 45 48 2950 3.5 10.3 Y160M2-2H 15 372
80CLZ-6B 40 42 2950 3.8 8.5 Y160M1-2H 11 346
80CLZ-6BS  
80CLZ-9 50 32 2950 3.5 7.2 Y160M1-2H 11 345
80CLZ-9A 45 28 2900 3.5 5.6 Y132S2-2H 300 300
80CLZ-9B 54 21 2900 3.5 5.1 Y132S2-2H 7.5 327
80CLZ-9Z 50 32 2950 3.5 7.9 Y160M1-2H 11  
80CLZ-9AZ 45 28 2900 3.5 6.2 Y132S2-2H 7.5  
80CLZ-9BZ 54 21 2900 3.5 5.6 Y132S2-2H 7.5  
80CLZ-9ZS 50 32 2950 3.5 7.9 Y160M1-2H 11  
80CLZ-9AZS 45 28 2900 3.5 6.2 Y132S2-2H 7.5  
80CLZ-9BZS 54 21 2900 3.5 5.6 Y132S2-2H 7.5  
80CLZ-13 45 21 2900 4.5 4.6 Y132S1-2H 5.5 195
80CLZ-13Z 45 21 2900 4.5 4.6 Y132S1-2H 5.5  
80CLZ-14S 60 20 2900 4.0 5.8 Y132S2-2H 7.5 316
100CLZ-5 100 120 2950 4.5 62.8 Y280S-2H 75 880
100CLZ-5A 95 110 2950 4.5 55.8 Y280S-2H 75 880
100CLZ-5B 80 100 2950 4.5 43.6 Y250M-2H 55 738
100CLZ-5C 75 95 2950 4.5 39.6 Y225M-2H 45 668
100CLZ-6 80 80 2950 4.0 34.2 Y200L2-2H 37 591
100CLZ-6A 72 75 2950 4.5 29.4 Y200L2-2H 37 591
100CLZ-6B 75 62 2950 4.5 26.4 Y200L1-2H 30 561
100CLZ-6.5 100 80 2950 4.5 39.6 Y225M-2H 45 668
100CLZ-6.5A 95 75 2950 4.5 35.9 Y225M-2H 45 668
100CLZ-8 80 50 2950 4.0 18.8 Y180M-2H 22 470
100CLZ-8A 72 46 2950 4.0 15.8 Y160L-2H 18.5 445
100CLZ-9 100 50 2950 4.5 22.0 Y200L1-2H 30 510

Type
(50Hz    3 φ 380v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
 Head
m
Speed r/min  NPSHr
m
Shaft power
kw
100CLZ-9A 95 46 2950 4.5 19.5 Y180M-2H 22 470
100CLZ-12 80 32 2950 4.0 11.6 Y160M2-2H 15 420
100CLZ-12A 72 28 2950 4.0 9.3 Y160M1-2H 11 405
100CLZ-13 100 32 2950 4.8 13.8 Y160L-2H 18.5 445
100CLZ-13A 95 28 2950 4.8 11.7 Y160M2-2H 15 420
100CLZ-17 80 20 2950 4.0 7.3 Y160M1-2H 11 405
100CLZ-18.5 100 20 2950 4.8 9.1 Y160M1-2H 11 405
100CLZ-18.5A 95 18 2950 4.8 8.0 Y160M1-2H 11 405
125CLZ-6 160 120 2950 5.2 95.1 Y315S-2H 110  
125CLZ-6A 150 110 2950 5.2 83.2 Y315S-2H 110  
125CLZ-6B 140 110 2950 5.2 77.1 Y280M-2H 90  
125CLZ-8 160 80 2950 5.2 60.1 Y280S-2H 75  
125CLZ-8A 150 75 2950 5.2 52.8 Y280S-2H 75  
125CLZ-8B 140 68 2950 5.2 48.7 Y250M-2H 55 742
125CLZ-8/2 70/112 70/25 1480 4.1   Y180M-4H 45  
125CLZ-9/2 116/58 24/61 1480 4.1   Y180M-2H 22  
125CLZ-12 160 50 2950 5.2 35.1 Y225M-2H 45 672
125CLZ-12A 150 46 2950 5.2 30.8 Y200L2-2H 37 587
125CLZ-16.5 160 32 2950 5.2 22.1 Y200L1-2H 30 557
125CLZ-16.5A 150 28 2950 5.2 18.4 Y180M-2H 22 522
125CLZ-23.5 160 20 2950 5.2 15.2 Y160L-2H 18.5 502
125CLZ-23.5A 150 18 2950 5.2 12.9 Y160M2-2H 15 477
150CLZ-12/2 224/70 25/70 1480 4.1   Y250M-2H 55  
150CLZ-14 250 50 2950 6.0 53.2 Y280S-2H 75 913
150CLZ-14A 240 46 2950 6.0 47.7 Y250M-2H 55 778
150CLZ-17.5 188 33 2950 6.5 26.8 Y200L1-2H 30 593
150CLZ-21 250 32 2950 6.0 33.5 Y225M-2H 45 730
150CLZ-21A 240 28 2950 6.0 28.2 Y200L2-2H 37 645
200CLZ-12 300 30 1480 5.5 40.9 Y225M-4H 45 808
200CLZ-12A 280 25 1480 5.5 32.9 Y225S-4H 37 774
200CLZ-24.5 450 15 1480 6.0 34.0 Y225S-4H 37 774
Performance and parameter table for the power supply frequency of 60Hz 3 φ 440v    (continued):

Type
(60Hz    3 φ 440v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
 Head
m
Speed r/min NPSHr
m
Shaft power
Kw
40CLZ1-2 6 85 3550 4 6.6 Y160M1-2H 11  
40CLZ1-2A 5 78 3500 4 5.5 Y132S2-2H 7.5  
40CLZ1-4Z 6 46 3500 4 2.8 Y112M-2H 4  
40CLZ1-4AZ 6 32 3500 4 2.1 Y100L-2H 3  
50CLZ1-4Z 24 72 3550 4 10.5 Y160M2-2H 15  
50CLZ1-4AZ 20 65 3550 4 8.2 Y160M1-2H 11  
50CLZ1-4.5Z 15 45 3500 4 4.3 Y132S1-2H 5.5  
50CLZ1-4.5AZ 12 40 3500 4 3.1 Y112M-2H 4  
50CLZ1-6 24 45 3500 4 5.5 Y132S2-2H 7.5  
50CLZ1-6S
50CLZ1-6A 20 40 3500 4 4.2 Y132S1-2H 5.5  
50CLZ1-6AS
50CLZ1-7Z 15 29 3500 4 3.0 Y112M-2H 4  
50CLZ1-7AZ 12 25 3500 4 2.1 Y100L-2H 3  
50CLZ1-9Z 30 21 3500 4 2.9 Y112M-2H 4  
65CLZ1-4 42 100 3580 4 23.9 Y200L1-2H 30  
65CLZ1-4A 38 93 3580 4 20.5 Y200L1-2H 30  
65CLZ1-4B 24 86 3550 4 15.6 Y180M-2H 22  
65CLZ1-5.5 42 72 3550 4 16.5 Y180M-2H 22  
65CLZ1-5.5A 36 69 3550 4 14.1 Y160L-2H 18.5  
65CLZ1-5.5BZ 30 64.8 3550 4.5 11.1 Y160M2-2H 15  
65CLZ1-6
30

45

3550

4

7.1

Y160M1-2H

11
 
65CLZ1-6S  
65CLZ1-6ZS  
65CLZ1-6A
25

40

3500

4

5.3

Y132S2-2H

7.5
 
65CLZ1-6AS  
65CLZ1-6AZS  
65CLZ1-8 42 45 3550 4 9.4 Y160M2-2H 15  
65CLZ1-8A 38 40 3550 4 7.7 Y160M1-2H 11  
65CLZ1-9Z 30 29 3500 4.2 4.0 Y132S1-2H 5.5  
65CLZ1-9AZ 25 25 3500 4.2 3.0 Y112M-2H 4  
80CLZ1-4 60 115 3580 4.2 37.6 Y225M-2H 45  
80CLZ1-4A 60 100 3580 4.2 33.4 Y200L2-2H 37  
80CLZ1-4B 54 89 3580 4.2 27.9 Y200L2-2H 37  
80CLZ1-6 60 72 3580 4.2 20.3 Y200L1-2H 30  

Type
(60Hz    3 φ 440v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
 Head
m
Speed r/min  NPSHr
m
Shaft power
Kw
80CLZ1-6A 54 69 3550 4.2 17.8 Y180M-2H 22  
80CLZ1-6B 48 60 3550 4.5 14.5 Y160L-2H 18.5  
80CLZ1-9 60 45 3550 4.2 11.9 Y160M2-2H 15  
80CLZ1-9A 54 40 3550 4.2 9.6 Y160M2-2H 15  
80CLZ1-9B 65 30 3550 4.2 8.9 Y160M1-2H 11  
80CLZ1-9Z 60 45 3550 4.2 13.6 Y160L-2H 18.5  
80CLZ1-9AZ 54 40 3550 4.2 10.7 Y160M2-2H 15  
80CLZ1-9BZ 65 30 3550 4.2 9.7 Y160M2-2H 15  
80CLZ1-9ZS 60 45 3550 4.2 13.6 Y160L-2H 18.5  
80CLZ1-9AZS 54 40 3550 4.2 10.7 Y160M2-2H 15  
80CLZ1-9BZS 65 30 3550 4.2 9.7 Y160M2-2H 15  
80CLZ1-13 54 30 3550 5 8 Y160M1-2H 11  
80CLZ1-13Z 54 30 3550 5 8 Y160M1-2H 11  
80CLZ1-14S 72 28 3550 4.5 9.8 Y160M2-2H 15  
100CLZ1-6 95 115 3580 4.5 58.3 Y280S-2H 75  
100CLZ1-6A 85 108 3580 5 50 Y250M-2H 55  
100CLZ1-6B 90 89 3580 5 45.4 Y250M-2H 55  
100CLZ1-6.5 120 115 3580 5 68.3 Y280M-2H 90  
100CLZ1-6.5A 114 108 3580 5 62.1 Y280S-2H 75  
100CLZ1-8 95 72 3580 4.5 32.1 Y200L2-2H 37  
100CLZ1-8A 85 65 3580 4.5 26.4 Y200L2-2H 37  
100CLZ1-9 120 72 3580 5 38.0 Y225M-2H 45  
100CLZ1-9A 114 65 3580 5 33.1 Y225M-2H 45  
100CLZ1-12 95 45 3580 4.5 19.4 Y200L1-2H 30  
100CLZ1-12A 85 40 3550 4.5 15.7 Y160L-2H 18.5  
100CLZ1-13 120 45 3580 5.3 23.3 Y200L1-2H 30  
100CLZ1-13A 114 40 3580 5.3 20 Y200L1-2H 30  
100CLZ1-17 95 28 3550 4.5 12.1 Y160M2-2H 15  
100CLZ1-18.5 120 28 3550 5.3 15.3 Y180M-2H 22  
100CLZ1-18.5A 114 25 3550 5.3 13.4 Y160L-2H 18.5  
125CLZ1-8 192 115 3580 6.5 103.7 Y315M-2H 132  
125CLZ1-8A 180 108 3580 6.5 91.3 Y315S-2H 110  
125CLZ1-8B 180 95 3580 6.5 81.7 Y280M-2H 90  
125CLZ1-12 192 72 3580 5.8 60.7 Y280S-2H 75  
125CLZ1-12A 180 65 3580 5.8 52.2 Y280S-2H 75  
125CLZ1-16.5 192 45 3580 5.8 37.4 Y225M-2H 45  

Type
(60Hz    3 φ 440v) main technical parameter
Motor type power        Kw
weight
Kg
Capacity
m3/h
Head
m
 Speed r/min  NPSHr
m
Shaft power
Kw
125CLZ1-16.5A 180 40 3580 5.8 31.6 Y200L2-2H 37  
125CLZ1-23.5 192 28 3580 5.8 22.5 Y200L1-2H 30  
125CLZ1-23.5A 180 25 3580 5.8 19.2 Y200L1-2H 30  
150CLZ1-14 300 72 3580 7 91.9 Y315S-2H 110  
150CLZ1-14A 288 66 3580 7 82.2 Y280M-2H 90  
150CLZ1-17.5 225 47 3580 7 46.3 Y250M-2H 55  
150CLZ1-21 300 46 3580 7 57.8 Y280S-2H 75  
150CLZ1-21A 288 40 3580 7 48.3 Y250M-2H 55  
200CLZ1-12 360 43 1780 6.5 70.3 Y280M-4H 90  
200CLZ1-12A 336 36 1780 6.5 56.8 Y280S-4H 75  
200CLZ1-24.5 500 26 1780 7 57.2 Y280S-4H 75  

Our History

Hangzhou Cagon Transmission Technology Co., Ltd. is well-known in the shipbuilding
field. It is a highly recognized ship power system integrator, top manufacturer and
professional service provider in the industry. In the marine sector, it is a well-deserved
leader in external fire protection and anti-corrosion engineering. Since its inception, the
company has been committed to the passion and determination to deepen its presence
in the shipbuilding industry, anchored on the goal of "one-stop service", and made every
effort to create a power system overall solution that meets the diverse needs of users. At
the same time, it focuses on the cutting-edge needs of marine equipment, ingeniously
develops new anti-corrosion coatings, and uses superb engineering construction skills to
protect the quality of marine equipment in all aspects

   

OurProduct
OurProductsincludesthefollowing:
MarineTransmission
MarineDieselEngine
Marine/ShipPropellers
Marine/ShipGearBox
MarineFire-FightingPumps
HighPrecisionReducer
BoatEngine&TransmissionRepairs
ShipPowerSystemModifications
SolutionsforMarinePropulsionSystems
TransmissionDeviceforAgriculturalMachinery
TransferCase(ForAutomobiles)
TransferCaseforIndustrialTransmission

 
Clz Series Marine Vertical Self-Priming Centrifugal Pump
ProductApplication
Productuse:
CargoShip,Containerships,BulkCarriers,TankerVessels,ReeferVessels,Offshore
Vessels,PassengerVessels,NavalShips,,FishingVessels,ResearchVessels
Grain-harvestingmachinery,corn-harvestingmachinery,balers,knotters,film-
wrappingmachines,paddy-fieldsprayers,orchardsprayers,etc.Trucks,off-road
vehicles,lorries,constructionvehicles.Engineeringandindustrialfields.

Relevantqualifications
Clz Series Marine Vertical Self-Priming Centrifugal Pump

 
ProductionEquipment
Boxprocessing:
Patentedappearance,beautifulandcompact;
Precisioncastingofresinsandmetalmoldtoensurestrengthandnoleakage;
One-timeclampingandprocessinginthemachiningcenter,usingimportedCNC
machiningcentertoensuremachiningaccuracy;
Double-processprofessionalcleaningandphosphatingequipment,cleaning(removing
ironchips),andrust(corrosion)prevention.


Clz Series Marine Vertical Self-Priming Centrifugal Pump

Clz Series Marine Vertical Self-Priming Centrifugal Pump
Gearproductionline:

Gears(axles)usepreheatingtreatmentprocess
Usehigh-qualitylow-carbonalloysteelforcarburizingandquenchingtoensure
strength
Useturningcenter,CNChigh-speedgearhobbingmachine,CNCforminggeargrinding
machineforprocessingtoensureaccuracy
Gearsuseproprietaryshapingandnoisereductiontechnology
Usecleaningandphosphatinglineforcleaningandcorrosionprotection
Clz Series Marine Vertical Self-Priming Centrifugal Pump

Heattreatmentprocessing:

Pre-heattreatmentprocessisusedtoensurethestabilityofmaterialstructure;
Fullyenclosedheattreatmentmulti-purposefurnaceisusedtoensurehardnessand
strengthandeffectivelycontroldeformation;
Strongshotpeeningtechnologyisusedtoincreasestressandeffectivelyimprovethe
bendingstrengthoftoothrootbymorethan20%
Clz Series Marine Vertical Self-Priming Centrifugal Pump
Assemblyline:
Station-typeflexibleassemblyline;
Circularchainspraydryingline;
CNCdoublemeshinginstrumentassemblyfullinspection;
100%onlineproductoperationinspection
Clz Series Marine Vertical Self-Priming Centrifugal Pump

Test machine ensure high quality goods
Clz Series Marine Vertical Self-Priming Centrifugal Pump
Clz Series Marine Vertical Self-Priming Centrifugal Pump

OverallSolutionforShipPropulsionSystem

Shiptype:scientificresearchship
Shiplength:37meters
Shipwidth:7.8meters
Designeddraft:2.0meters
Designedspeed:12knots
Lubricationmethod:Oillubrication
Propulsionmethod:Singleenginesinglepropelleradjustablepropeller
Shipowner:ZhejiangOceanUniversity
Shipyard:QingdaoGeshidaShipbuildingCo.,Ltd.
Shiptypefeatures:Thisshipisascientificresearchship.Thepropellerbladesarespecially
designedaccordingtothedifferentspeedsrequiredbydifferentscientificresearchmodes,
andadvancedHFseriespropellerhubsareused.Forthisproject,weprovideacomplete
setofshippropulsionsystemsincludingmainengine,gearbox,shaftgenerator,high
elasticcoupling,shaftsystemandanalysis,sterntube,adjustablepropeller,remote
controlsystem,hydraulicsystem,etc.


Clz Series Marine Vertical Self-Priming Centrifugal Pump


Brief Introduction to Antirust Material Spray Painting Technology
 

Characteristics of the protective coating formed by this technology

 
  1. Excellent adhesion between the coating and the metal substrate.
  2. Wide applicable temperature range.
  3. Good cathodic disbondment resistance, free of the "cathode screening" effect.
  4. Stable electrical insulation to reduce cathodic protection current.
  5. Resistant to chemical media corrosion, with good resistance to Cl
  6. Similar thermal expansion coefficients of the coating and the steel structure, with good resistance to thermal changes.
  7. The coating is easy to repair.

Main performance indices of this technology

 
  1. Peak performance of the KsF series coatings: bond strength 100MPa, impact strength > 23J, anti - penetration property at 60ºC (within one year) with the coating resistance remaining constant.
  2. Long - distance pipelines can be coated both inside and outside simultaneously, with performance meeting the national anti - corrosion coating standards for fusion - bonded epoxy powder coatings or SY/T0315 - 97 Technical Standard of Fusion Bond Epoxy Coating for Steel Pipeline.
  3. Bends of long - distance pipelines can be coated both inside and outside simultaneously, with performance meeting the national anti - corrosion coating standards for fusion - bonded epoxy powder coatings or Q/Fs.J02.15 - 1996 enterprise standard.
  4. The drag - reduction coating performance for long - distance pipelines meets the US standard APIRP5L2.
  5. The field joint coating performance for long - distance pipelines meets the national anti - corrosion coating standards for fusion - bonded epoxy powder coatings.

Application fields of this technology

 
  1. Products for severe corrosion protection, such as high - efficiency corrosion - resistant pumps, wear - resistant pumps, high - efficiency corrosion - resistant fans, corrosion - resistant valves, corrosion - resistant bellows compensators, and seawater filters.
  2. Severe corrosion protection for long - distance pipelines of oil, gas, and water.
  3. Severe corrosion protection for metal process pipelines of acids, alkalis, and salts.
  4. Severe corrosion protection for equipment and structural parts in the chemical engineering and energy industries.
  5. Severe corrosion protection for materials in ocean engineering.

Application examples of this technology

 
  1. Qinshan Nuclear Power Station
    • Primary loop seawater pump: 20SHF - 19 seawater pump, flow rate 1400m³/h, head 23m, speed 978r/min, 4 sets.
    • Seawater booster pump: 14SH - 90 - 19 seawater pump, speed 1450r/min, 3 sets.
    • Underground seawater pipeline: 4 φ1400 pipelines, about 30m.
    • Bellows expansion joint: 8 units, φ1400×1.2m.
    • Seawater cooling pipe in the steam turbine building: seawater booster pump outlet pipe φ600×12m and tees, tee joints of φ325 - φ525mm, totally 260m.
  2. Shenyang Automation Research Institute, Chinese Academy of Sciences
    Key parts of the underwater robot developed by the institute, such as underwater motors, underwater manipulator oil cylinders, and underwater tools, adopted the special KsF coating technology and were successfully used on Nanhai drilling platform Exploration 3 of China West Petroleum Company.

Effect of KsF spray - painting anticorrosion technology on marine pumps


Factory seawater simulation test:
Two 50cL - 30 marine vertical centrifugal pumps were used for the contrast test. The base material of their main parts was the same (cast silicon brass, ZCuZn16Si4). One pump's body, cover, impeller, and gland were treated with KsF severe - corrosion - protection spraying (average coating thickness 0.45mm), and the other was not. The test medium was simulated seawater (11.62kg sea salt added to 0.33m³ fresh water, weight ratio 3.52%). The unpainted pump started the test on September 14, 2004, and the painted one on October 14, 2004, with continuous 24 - hour operation required.
The two pumps were disassembled for the first check on December 2, 2004, reassembled, and continued the test. On March 7, 2005, By then, the unpainted pump had run for 4000h and the painted one for 3380h. The inspection results were as follows:

 
  1. No mechanical seal leakage, abnormal vibration, or noise occurred during the operation of the two pumps.
  2. The impeller rings and seal rings of the two pumps had slight normal wear.
  3. The rubbing surfaces of the mechanical seals of the two pumps had normal wear.
  4. The coating surface of the painted pump's body, cover, impeller, and gland was smooth and intact, with no seawater corrosion, coating wear, or peeling. In contrast, the surface of the unpainted pump's body, cover, and impeller had corrosion, which was significantly aggravated compared to the first check.

picture of body, cover and impeller of the painted pump after test


Clz Series Marine Vertical Self-Priming Centrifugal Pump



picture of body, cover and impeller of the unpainted pump after test


 Clz Series Marine Vertical Self-Priming Centrifugal Pump

Centrifugal Pump Operation Manual: 

 

1. Fundamental Operating Principle

Centrifugal pumps convert rotational energy from an impeller into kinetic energy, generating centrifugal force to move fluids. Proper selection and operation depend on understanding this hydrodynamic principle and its relationship to pump performance curves.

2. Pump Selection Criteria

Key parameters for centrifugal pump specification include:

  • Flow Rate (Q) - Required volumetric capacity (m³/h or GPM)

  • Total Dynamic Head (TDH) - Net pressure differential accounting for static lift, friction losses, and system resistance

  • Fluid Properties - Viscosity, specific gravity, temperature, and chemical compatibility with wetted materials

  • Net Positive Suction Head (NPSH) - Critical to prevent cavitation (NPSH> NPSH+ safety margin)

3. Pre-Installation Requirements

  • Foundation - Rigid mounting base with vibration-damping provisions (grouted sole plates or isolation pads)

  • Alignment - Laser-aligned shaft coupling within 0.05mm tolerance (per ANSI/HI standards)

  • Piping -

    • Suction line: Short, straight runs with eccentric reducers (flat-top orientation)

    • Discharge: Install check valve and isolation gate valve

    • Support independent piping loads to prevent nozzle strain

4. Operational Monitoring Protocols

Parameter Normal Range Corrective Action if Deviated
Discharge Pressure ±10% of BEP Check for clogging/valve position
Bearing Temp <70°C (158°F) Relubricate or replace bearings
Vibration Velocity <4.5 mm/s RMS (ISO 10816) Verify alignment/impeller balance
Current Draw Within motor nameplate Assess fluid density/motor condition

5. Preventive Maintenance Program

  • Daily:

    • Inspect mechanical seal/gland packing for leaks

    • Monitor lube oil levels (oil-lubricated bearings)

    • Log pump performance metrics

  • Monthly:

    • Grease bearings (quantity per OEM specs)

    • Flush seal chambers on abrasive services

    • Conduct motor megohm testing

  • Annual:

    • Replace wear rings if clearance exceeds 0.5mm

    • Perform dynamic balancing (ISO 1940 G6.3 standard)

    • Hydrotest casing at 1.5x design pressure

6. Advanced Troubleshooting Guide

Symptom Root Cause Resolution
No liquid delivery Priming failure/NPSH deficiency Vent air, elevate suction source
Excessive noise Cavitation or bearing failure Increase NPSH, replace bearings
Seal leakage >5 drops/min Seal face wear or misalignment Reface/seal replacement, realign
Power surge Impeller blockage Disassemble and clean flow passages
                                 

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