• Single Stage Centrifugal Pump with Stainless Steel
  • Single Stage Centrifugal Pump with Stainless Steel
  • Single Stage Centrifugal Pump with Stainless Steel
  • Single Stage Centrifugal Pump with Stainless Steel

Single Stage Centrifugal Pump with Stainless Steel

Max.Head: 110m-150m
Max.Capacity: 300-400 L/min
Driving Type: Motor
Impeller Number: Single-Stage Pump
Working Pressure: Middle Pressure Pump
Influent Type of Impeller: Single Suction Pump
Samples:
US$ 380/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
LISG50-250
Position of Pump Shaft
Vertical Pump
Pump Casing Combined
Verticaljoint Surface Pump
Mounting Height
Since Irrigation Centrifugal Pumps
Impeller
Closed
International Standard
ISO2858
Transport Package
Wood Box
Specification
CE
Trademark
Liansheng or OEM
Origin
Shanghai, China
HS Code
84101330
Production Capacity
50000/Month

Product Description


Single Stage Centrifugal Pump with Stainless Steel

Product name: Single Stage Centrifugal pump with stainless steel

Product use:

1. LISG single stage single suction vertical pipeline centrifugal pump, Applicable industry and city water supply and drainage, high-rise building pressurized water, garden irrigation, cooling tower water, long distance water, cold and hot water circulation pressurization and ancillary equipment, medium temperature below 80 degrees Celsius.


Working conditions
1, the suction pressure ≤ 1.0Mpa, or maximum working pump system pressure below 1.6Mpa, the pump outlet pressure and pump head, pump ≤ 1.6Mpa hydrostatic test pressure suction is 2.5Mpa, please specify when ordering the system working pressure.
2, the ambient temperature of <40 degrees Celsius, relative humidity <95%.
3, the volume fraction of solid particles in the medium of no more than 0.1% per unit volume, size <0.2mm

Note:
1. If using the medium with small particles, please indicate in order, so that the wear type mechanical seal.
2. The pump pressure greater than 1.6Mpa system should be put in order. In order to manufacture pump over-current components and the connection part of the cast steel.

The scope of performance parameter:
LISG single stage single suction vertical pipeline centrifugal pump, the hydraulic model, at the same time, according to the international standard related to the design and development to become the SG series pipeline pump replacement products. The technical standards, performance parameter, test methods are effective by IS type centrifugal pump of ISO international standard, performance parameters with IS type centrifugal pump is basically the same, the performance indexes meet the design requirements.
Its performance parameter scope is:
1. Traffic: 1.8 - 1400 (m3/h)
2. Head: 4 - 132.5 (m)
3. Cavitation allowance: 2.5 - 7 (m)
4. Shaft power: 0.55 - 250 (kW)
5. Suction diameter: 20 - 350 (mm)
6. Discharge diameter: 20 - 350 (mm)
7. Performance: Frequency
8. Use: Pipeline pump
9. Pump shaft position: Edge of the vertical
10. Impeller structure: Closed impeller
11. Inhalation: Single suction impeller
12. The structure principle: Jet pump
13. Material: Cast Iron

Advantage:
LISG, LISW type pump is made by cast iron casting, is characteristic of the motor and pump coaxial, end cover into a whole, so that the pump has the advantages of compact structure, small volume, light weight, stable running, convenient installation, can completely replace the IS type, BA type and other types of centrifugal pump
fault phenomenon failure cause elimination methods
  1.No power supply or one or two phase power supply is needed
Check all phases of power supply and restore power supply

 
  2.Poor contact of ac contactor and burning of coil
Repair or replace contactors

 
can not start 3.
The power switch is not closed, malfunction or damaged

 
Close the switch and replace it if the power indicator does not turn on
  4.
Thermal relay trip or damage

 
Check whether the motor is blocked, find out the reason and eliminate it.Manual reset is replaced if it cannot be started
  Water level is too low
Put water in the sink

 
  The motor burned
Repair or replace the motor

 
  1.Line is loose
Check wiring and tighten connectors

 
  2.Frequency converter malfunction Check the fault content, check the cause according to the frequency converter manual, and restart after reset.Or disconnect the inverter power supply for a few seconds, the inverter fault reset before starting.
The manual is normal 3The frequency converter is damaged Repair or replace
Automatic transmission failure 4.Pressure switch damage Repair or replace
  5The pressure transmitter is damaged Repair or replace
  6.Switch failure Repair or replace
Pump non - suction pressure gauge pointer to beat violently Insufficient water supply for perfusion, air leakage at the connection between pipeline and instrument Check pipeline and bottom valve, refill water diversion. Tighten air leakage

The pump consumes too much power

 

Too much flow, impeller wear

 
Check whether the pump shaft is bent, replace the impeller, close the outlet valve to reduce the flow
Single Stage Centrifugal Pump with Stainless Steel

Single Stage Centrifugal Pump with Stainless Steel

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