Lb, Lk Vertical Long Shaft Pump

• Max.Head: 94.5m
• Max.Capacity: 8400m3/H
• Driving Type: Motor
• Impeller Number: Single-Stage Pump
• Working Pressure: High Pressure Pump
• Influent Type of Impeller: Single Suction Pump
• Position of Pump Shaft: Vertical Pump
• Pump Casing Combined: Verticaljoint Surface Pump
• Mounting Height: Suction Centrifugal
• Impeller: Open
• Usage: Pump, Pumps, Condensate Pump, Slurry Pump, Circulating Pump
• Transport Package: Standard Export Wooden Packing
• Specification: 3*2*1 meter
• Trademark: Sancahng Pump
• Origin: Changsha, Hunan
• HS Code: 8413709990
• Production Capacity: 5000 Sets Per Year

Product Description

Type LB,LC long shaft turbine pump

Pumped Medium Material Sort Part Name	Clear Water	Sewage	Seawater
Bell Mouth	HT250	HT250	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Impeller	HT250	ZG1Cr13Ni1 ZG1Cr18Ni9	ZG00Cr17Ni14Mo2	ZG00Cr17Ni14Mo2
Diffusor	HT250	QT500-7	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Water Column	Q235-A	Q235-A	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Discharge Elbow	Q235-A	Q235-A	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Guard Column	Q235-A	Q235-A	1Cr18Ni9	00Cr17Ni14Mo2
Shaft	452Cr13	452Cr13	1Cr18Ni9	1Cr18Ni9
Shaft Sleeve	2Cr13	2Cr13	1Cr17Ni2	1Cr17Ni2
Guide Bearing	Filling in ethene or Thordon
Guide Bearing Body	HT250	HT250	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Sealing Ring	HT250	2Cr13	HT250Ni2Cr	ZG00Cr17Ni14Mo2
Adapter Coupling	452Cr13	452Cr13	1Cr17Ni2	1Cr17Ni2
Coupling	HT250	HT250	HT250	HT250
Motor Support	Q235-A	Q235-A	Q235-A	Q235-A

 

marks: Other materials can be used according user's requirement.

General :
The said series pumps are used to transfer clear water, rain water, water in iron sheet pits, sewage and
seawater, servicing in power plants, iron and steel works, water supply companies, sewage treatment
plants, petroleum and chemical industries mines as well as municipal water supply and drainage projects,
farmlands irrigation, flood protection and drain waterlogged farmlands, etc .The temperature of pumped
media is 90 ºC by special design,the capacity is 30-9000m³/h, the head is 5-220m. it accords with the China town
construction industry standard of CJ/T238-2006 for <<Vertical long shaft pump>>, it owns the cycle lubrication bearing
arrangement of  patent.(patent code: 200620050566.6)

Nomenclature :
900LK-23I                                                                        500LB-41.9 (×2 , 3)I
900-Outlet of the pump:1400mm                                            500-Outlet of the pump:500mm
L----Vertical Long Shaft pump                                                L---Vertical Long shaft pump
K----Pull-out rotor                                                                   B---Non pull-out rotor
23---Design head                                                                   41.9---Design head
I---Pump single-stage design class(no mark when                    I---Pump single-stage design class(no mark when
first time design)                                                                      first time design)
Remarks: multistage type is usually                                         ×2,3-- Stage number
Not designed for the pump of large
nozzle diameter.
Range of performance (Design point) :
  Capacity:  60~8400m3/h,
  Head:     12.5~94.5m

Construction feature :
Structure feature:
1. Series LK ,LB pumps are of vertical single stage and/or multistage centrifugal or mixed flow with diffuser types.
2. The following structure types are available for the pump:the discharge opening above and/or under
the mounting foundation(Type Code named S and X respectively);the axial thrust force born by the
pump and/or by the motor(Type Code named T and D);lubricating water from outside and/or from the pump itself.
3. The intake sump is of wet pit and/or dry pit types.Wet pit type:lower part of the pump inundated in the intake sump.
Dry pit type:the water enters into the pump,the suction bellmouth is connected with the inlet pipe of the pump by means
of elbow bend pipe of 90 0 .
4. Rubber guide bearings and /or the Thordon guide bearings are available for bearings of the pump.
5. Generally when the nozzle diameter of the pump is under 1000mm, non pull-out type is adopted
for the rotor and the discharge opening is above the mounting foundation(Type Code named ST). In
this case the axial thrust force and the weight of the rotor are usually born by thrust bearings of the
pump itself and flexible connection is adopted between the pump and the motor.The thrust force and
the weight of the rotor can also be born by the motor if required,or other structure types such as
SD,XT,XD are available .Rotor pull-out type can also be adopted if required by clients.
Generally when the discharge diameter of the pump is above 1000mm, pull-out type is adopted for the
rotor and the discharge opening is under the mounting foundation(Type Code named XD).In this case
the axial thrust force and the weight of the rotor are usually born by thrust bearings of the motor and
rigid connection is adopted between the pump
and the motor. The axial thrust force and the weight of the rotor can also be born by
the pump if required,or other structure types such as XT,SD,ST are available .Rotor non pull-out type
can also be adopted if required by clients.
6. When the axial thrust force and the weight of the rotor are born by pump itself,the thrust bearing of the pump is lubricated with dilute oil and is equipped with a temperature detector Pt100 to detect bearing temperature and a pressure type thermometer to detect the temperature of lubricating oil.
7. The antielectrochemical corrosion appliance is adopted for the part of the pump contacting the liquid to ensure the service life of the pump when seawater is pumped.
8. The packing seal is adopted for the axial seal of the pump.
9. The clearance between the impeller and the impeller chamber,i.e.the rotating component and the static component,can be easily adjusted on the pump mounting foundation.