LQFZ Self-priming Stainless Steel Anti-corrosive Centrifugal Pump

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1 unit
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1000 unit/month

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Product Description:

 

Quick Details

  • Place of Origin: China (Mainland)

  • Model Number: LQFZ
  • Theory: Centrifugal Pump

  • Structure: Single-stage Pump

  • Usage: Water

  • Power: Electric

  • Standard or Nonstandard: Standard

  • Fuel: electric

  • Pressure: Low Pressure

  • Application: Other, Corrosive or Sanitation Liquid

Packaging & Delivery

Packaging Details:standard export wood case packing per LQFZ self-priming stainless steel anti-corrosive centrifugal pump
Delivery Detail:normally one week according to quantity

Specifications

Liquid Soap Electric Pumps 
1. Good sealing performance 
2. Corrosion-resistant 
3. Low energy consumption 
4. Best price 

Summarize

1. LQFZ stainless steel anti-corrosive centrifugal pump is water and chemical pump made in stainless steel with the fuction of self-priming. It's light and can be convenient to handle.

2. To the different mediums, we have:

Two kind of structure: half-open type structure and closing type structure.

Two joint type of motor: straight joint type and bearing split joint type.

End Connections: ThreadedFlanged type.

 

Application

1. It's widely used for industries in medicine, daily chemical industry, light industry, food, soap, environment protection, blanch, galvanization and water treatment.

2. Translate medium which is under 90 degree or under 105 degree and small soft particals or fiber, can transport all kinds of corrosive liquid and sanitary liquid.

Performance Data

 

ModelMP(kw)Diam(mm)Effciency(%)Head H(m)                       Capacity Q(m3/h)NPSH(m)
380V/50Hz220V/50HzINOUT
25LQFZ-825LQFZ-8B0.25252540H98765434
Q2.333.54.34.85.25.5
25LQFZ-1325LQFZ-13B0.55252540H1615141312108645
Q344.866.57.58.59.510
40LQFZ-1840LQFZ-18B1.5404049H212019181614121085
Q678.510121415.517.318.5
50LQFZ-223505050H2826252422201816145
Q8.511.513.514.516.51920.52223.8

 

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Q:What's the difference between a double suction pump and a single suction pump?
The difference between a single suction pump and a double suction pump is that the double suction pump has two intake ports, while the single suction has only one intake.
Q:25KW what is the lift of the pump?
2 floor, the following formula is not accurate, the margin of safety is too large.N=Q (L/s), *H (m), /102/ (0.6~0.85), /0.85As follows: for reference only: (pump flow * pump lift) / (367* pump efficiency) * pump motor power safety margin (constant general take 1.1-1.2) = pump power.Unit: flow M3/H, head MNow you know the power of the pump, but you do not know the efficiency of the pump and flow, so the pump head can not be calculated.Can the normal operation of pump flow velocity detection using ultrasonic detection equipment, combined with the calculation of pump diameter of the flow and shaft power testing equipment can use foreign advanced measure pump, electric motor with related input parameters to calculate the pump efficiency. Then use the formula above to calculate the pump head.The simple way is to ask the designer directly about the design parameters.
Q:The difference between submersible pumps and centrifugal pumps
The two are different ways of distinguishing.Centrifugal pump is in accordance with the impeller type of a pump, that is, centrifugal pump impeller is centrifugal.Submersible pump refers to its working environment is underwater, it is divided by the application environment, it can also be centrifugal pump or axial flow pump or mixed flow pump, the key is to see what kind of impeller is.Submersible pump motor is required to dive, that is, the motor protection level is relatively high, generally more than IP68 in order to dive.
Q:What is the function of a submersible pump?
Submersible pump motor and pump is directly connected with the water pump body into the water to work, it is suitable for the extraction of groundwater from wells, can also be used in rivers, reservoirs, canals and other water projects: mainly used for irrigation and plateau in the drinking water, but also for the city, factories, railways, mining and construction site the use of water supply and drainage.Characteristics of submersible pumps for well1 、 motor, water pump, submerged operation, safe and reliable.2, the well pipe and pump water pipe without special requirements (i.e.: steel tube wells, tube wells, Doi ash can be used).3, installation, use and maintenance of convenient, simple, small footprint, do not need to build pumping stations.The structure is simple, and the raw materials are saved.4, submersible pump conditions are appropriate, properly managed, and has a direct relationship with the service life.
Q:Explore the flow of water pump production process is like?
The main flow of water pump (take centrifugal pump as an example):Technical determination of Drawing > raw material storage > mold preparation > casting moulding > machining > parts experiment > Assembly > performance experiment > painting packing > storage.Here are a few key steps:1) the technique determines the graphMainly the work of designers. Generally according to the parameters of the pump (flow, lift, cavitation, efficiency, etc.) to determine the specific speed of pumps, impeller form, impeller size, impeller material, pump body, pump shaft and so on. One of the most important thing is to draw the impeller woodenpatterns.2) die preparationThe mold is mainly composed of workers according to the water pump impeller woodenpatterns production model.3) casting moldingThe casting molding sand is made on the base of the mould.4) machiningWater pump parts processing, because it has hydraulic flow channel, in considering the positioning clamping standard, must find the correct flow channel of the correct position. Avoid assembly, resulting in water pressure chamber and impeller flow channel skew, dislocation, uneven gap, or even rub, affecting product quality. In order to ensure the accuracy of parts manufacturing, it is necessary to design the appropriate tooling, and reasonable arrangements for technological processes, control process factors.
Q:Does the lift of pump relate to the water level of import and export?
What's the relationship?! When the inlet level is low, the head is slightly higher than the liquid level!
Q:Why does the pump head decrease when the pump flow rate increases?
First of all, the power of the pump is determined by the motor. When the power is certain, work must be done. According to w=mgh, the flow determines mg, the head is h, you think, if the flow rate is large, is the head smaller?. This is theoretical, and at the same time, you see, the water pump characteristic curve can also see that the flow rate increases, the corresponding smaller head.
Q:What does water flow mean?
The quantity of water produced per hour
Q:Domestic pump does not turn, but the motor is energized what is the problem?
The motor is sure of electricity, isn't it? Is there a low voltage or broken phase (three-phase motor), these cases will cause the motor does not turn, or low speed (easy to block), so should be measured with a universal meter. Maybe the boot capacitor is broken. Or smell the smell of burning. It might be a short circuit between the motor windings. (bearings should be hard to break). Look for repairs if you suggest. You may not be good. Oh, capacitor. You can measure good and bad with a universal watch. If the capacitor is replaced, it is better to choose the same capacitor as the original configuration parameter.
Q:(flood control emergency plan) what type of water pump should be used for flood control? How to choose
Select the QW submersible pump, which is potential water, (flow, lift, bore, power)Flow, how many tons of water pump an hour to play, you choose how much?Lift, water pump from the destination is a few meters, how many meters?,Caliber, this pump potential water, without flange connection, only flow, head can reach.Power, look at the flow and lift is how much, and then choose the right motor (this is regular)The voltage is usually 380V.You can move, it is best to fix a seat, weight, this pump is basically a person can not move, and small can take.Brand, regular manufacturers can.Model, (caliber, flow, lift, power, voltage) tell the manufacturer.

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