Model NO.: LQDLF
Power: Electric
Start Up: Electric Pump
Type: Blade Pump
Application: Clarified Water Pump, Oil Transfer Pump
Industry: Mechanical Pump
Media: Sea Water Pump
Performance: No Leakage Pump
Theory: Centrifugal Pump
Color: Black
Trademark: Lyson
Transport Package: Wooden Box
Specification: stainless steel
Origin: China
HS Code: 841310000
Model NO.: LQDLF
Power: Electric
Start Up: Electric Pump
Type: Blade Pump
Application: Clarified Water Pump, Oil Transfer Pump
Industry: Mechanical Pump
Media: Sea Water Pump
Performance: No Leakage Pump
Theory: Centrifugal Pump
Color: Black
Trademark: Lyson
Transport Package: Wooden Box
Specification: stainless steel
Origin: China
HS Code: 841310000
1. pplication Conditions:
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LQDL (F) is aplicable for conveying the cold and hot cleaning water with the temperatures between -30C and +150C or the liquid which is not flammable or explosive, or they are free of solid particles or fibers. The maximum environment temperature is +40C.
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2. Performance Parameters:
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Flow Q= 1.0~180 3/h
Head H= 7~268 m
Rev n=2950 r/min
Power P=0.37~75 kw
Inlet diameter Dna=25~125mm
Allowable working pressure ≤25~40 bar
Rated frequency: 50 Hz or 60 Hz
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3. Advantages:
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Those with "F" means corrosion resistible
Small size
EffectiveÂ
Less vibration
Easy maintaing
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4. Applications:
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Circulative pressure increasingÂ
Water filtering in waterworks
Living water supply
Fire fighting system
Air conditioner
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 |
1. pplication Conditions:
Â
LQDL (F) is aplicable for conveying the cold and hot cleaning water with the temperatures between -30C and +150C or the liquid which is not flammable or explosive, or they are free of solid particles or fibers. The maximum environment temperature is +40C.
Â
Â
2. Performance Parameters:
Â
Flow Q= 1.0~180 3/h
Head H= 7~268 m
Rev n=2950 r/min
Power P=0.37~75 kw
Inlet diameter Dna=25~125mm
Allowable working pressure ≤25~40 bar
Rated frequency: 50 Hz or 60 Hz
Â
Â
3. Advantages:
Â
Those with "F" means corrosion resistible
Small size
EffectiveÂ
Less vibration
Easy maintaing
Â
Â
4. Applications:
Â
Circulative pressure increasingÂ
Water filtering in waterworks
Living water supply
Fire fighting system
Air conditioner
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 |
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