KN Series Non-clogging Centrifugal Pump

[1]Description

KN series non-clogging water pumps are the single stage, axial suction and cantilever non-clogging centrifugal pump. There are four types of impeller for selection. ‘B’ impeller - closed non -clogging impeller; ‘D’ impeller -closed multi-vane impeller; ‘E’ impeller -open impeller; ‘Z’ impeller -free-flow impeller.

Typical application

It is specially used for the city water supply, the sewage and effluent treatment, chemical, iron&steel industries and the paper,sugar & caned food industries. It can deliver all kinds of sewage, clear water, seawater, bittern water, waste water and sludge so that it can be used in water supply plant , sewage treatment works, breweries, mines as well as the chemical and construction industries. Type KN pump normally is suitable for delivering the neutral media( PH value is 6-8 about ). For the application of corrosive fluid and other special requirements, please quote this information when making order.

[2]Features

· High efficiency,Non-clogging,Reliable operation,Little vibration,Low noise, easy maintenance.

· The series KN pump is supplied with 4 kinds of impeller for selection.

‘B’ impeller-closed non-clogging impeller.

For clear water, the sewage and fluids containing solids and sludge which do not liberate gas.

‘D’ impeller-Closed multi-vane impeller

For clear water, the fluid containing slight suspension such as treated sewage, screen water, pulp water,sugar juices,and so on.

‘E’ impeller-Open impeller

Same applications as ‘E’ impeller but also including fluids containing air.

‘Z’ impeller-Free-flow impeller

For fluids containing coarse solids liable to bunch or plait(such as long fiber admixtures, sticky particles and so on)and fluids containing air.

· Shaft seal:

Gland seal:there are two kind of design:standard’s and high-temperature’s.

The high temperature type should be used when the temperature is higher than 90℃.

The stuffing box of this type can be cooled in order to be suitable for the transporting duty in high temperature.

Mechanical seal: It also can be used for the application where leakage is not allowed.

· Drive:

In general, they are directly coupled. Type are also indirectly coupled with belt, the range of drive ratio is from 1:1 to 1:2.

[3]Operating limited

Inlet Diameter:2.5~20 inch (65~500mm)

Discharge Diameter: 1.5~20 inch (40~500mm)

Flow Capacity: 8~4500m3/h

Head: 1~100m

Type notation

[4]Material (Wet parts):

Pump casing is made of cast iron.

Impeller is made of cast iron.

Shaft is made of 45# steel,stainless steel.

The materials of the wet parts could be changed depending on the requirements of the customers.

Metal:

Wear-resistant metal: A61, A05, A07, A11, A01

Anti-abrasive, anti-corrosive metal: A49, A33

Anti- abrasive metal: A22, A23, A25

Other optional metals or alloys: Duplex stainless steel, stainless steel, nickel cast iron, brass, bronze, etc.

[5]Selection Chart:

The below selection chart only show part of KN models. Please freely contact us for more detaied information.

[5]Strcture:

KN series

1 wear plate of suction side 2 pump casing 3 impeller

4 discharge cover 5 jointer 6 bearing 7 shaft 8 support foot

9 suction pipe 10 inspection hole