Diaphragm Pumps for Sales with High Quality

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Shanghai
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1 set
Supply Capability:
1000 set/month

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Product Description:


Diaphragm Pumps for Sales with High Quality



Features:

QBK Pneumatic Diaphragm Pumps also called Air Operated Double Diaphragm Pumps (AODD Pump) are rugged and durable self-priming, double diaphragm pumps, can handle any products that pours, from clean water to highly viscous, abrasive and chemically materials.

 

♦ Simple structure, easy to use and maintenance, less wearing parts. It can be working under liquid and running dry as well.

 

♦Suction up to 5m, max discharge pressure is 7bar, max grain diameter is 10mm, max liquid viscosity is 10,000C.s.t.

 

♦ Material: PP, Aluminum, Cast Iron, Stainless Steel. Diaphragm material: NBR, Viton, Teflon, FEP etc.

 



 

 

 Specification:

Model

Diameter

(mm)

Max Flow

(L/min)

Suction

(m)

Max Discharge Pressure (Bar)

Max Grain Dia (mm)

Max Air Consumption (L/min)

QBK-8

8

16

5

6.9

1

300

QBK-10/15

10/15

20

5

6.9

1

300

QBK-25

25

100

5

6.9

2.5

600

QBK-40

40

140

5

6.9

4.5

600

QBK-50

50

240

5

6.9

8

900

QBK-65

65

280

5

6.9

8

900

QBK-80

80

400

5

6.9

10

1500

QBK-100

100

480

5

6.9

10

1500

 


Picture Shows

Diaphragm Pumps for Sales with High Quality



 1. Q: Are you a factory or trading company?

 

      A: We are a factory.  

 

  2. Q: What're your payments ? 

 

      A: T/T,Western Union,L/C etc.

 

  3. Q: What about the package ?

 

      A: Standard export plywood case or carton.

 

  4. Q: How long is the warranty ?

 

      A: According to international standards, products in standard operation is 1 year,except wearable parts.

 

  5. Q: The use of products have?

 

      A: The pump can suck the peanut, pickles, tomato slurry, red sausage, chocolate, hops and syrup etc.

 

          The pump can suck the paint, pigment, glue and adhesive etc.

 

          The pump can suck various glazed slurries of tile, porcelain, brick and chinaware etc.

 

          The pump can suck various toxin and flammable or volatility liquid etc.

 

          The pump can suck various strong acid, alkali and corrosive liquid etc.

 

  6. Q: How product quality and service?

 

      A: Our pump have CE certificate, quality assured, can accept OEM,  provide various personalized needs. 




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Q:Why should the water inlet of water pump be fitted with reducer?
Increasing the pipe diameter can reduce the resistance loss along the path and reduce the suction vacuum of the pump! Before the inlet of the pump is a big diameter, when you reach the suction port, and the pump inlet diameter to be consistent, so the use of reducer joints!
Q:Three phase water pump rated power 4000W, is three-phase working water pump, the voltage is 380V, how to find the three-phase pump current, and calculation of public
Three phase water pump motor rated power 4000W is the output shaft power, divided by the motor efficiency (general 85%) is the input power, which is often mistaken. The electric power is =4000/0.85=4706WRated current = electric power /1.732x, rated voltage x, power factor =4706/1.732x380x0.8=8.94A (assuming power factor 0.8).The above three answers are all wrong.
Q:Domestic pump does not turn, but the motor is energized what is the problem?
The home pump does not turn, but the motor is energized:A: there are heard buzzing, but can not move and no death card. It is likely that the boot capacitor is broken and that the capacitor can be measured with a universal meter.Two: if the motor is sure to have electricity, check whether there is low voltage or broken phase (three-phase motor). These conditions also cause the motor not to rotate, or the speed is low (easy to block), so it should be measured with a universal meter.Three: you can smell there is no burning flavor, may be motor winding interphase short-circuit. Bearings should be hard to break, and it's probably not good to find repairs.If the capacitor is replaced, it is better to choose the same capacitor as the original configuration parameter. If the capacitor is damaged and does not know or can not see the mark parameter, it can be calculated and matched according to the following formula:In C=8JS (F), the capacitance of the C- is S- (F). The current density of the starting winding of J- motor is generally selected from 5 to 7A/ (mm) 2, and the cross section area (mm2) of the starting winding winding. Generally, you can choose 1000W/40 F.
Q:How does a pump pump water?
Centrifugal pump is centrifugal force, and household deep well pump is primary pressure
Q:2 pumps parallel, lift the same, pump head is not stacked?
2 pumps parallel, lift the same, pump head is not stacked?;Answer: the head can not be superimposed, that is, a lift and a pump, but the pumping speed (flow) is two times a taiwan.2 pumps in series, the same flow, pump head is not stacked?.Answer: the head can be superimposed, that is, the pump head is two times as much as a pump, but the pump speed is the same as that of a pump.
Q:Why is the minimum liquid temperature allowed at 2 DEG C instead of 0?
It freezes at 0 degrees, and the pump runs and gets stuck.
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:How many kinds of pumps are there? What are the advantages of soft start?
Soft start is prepared, hard start is not prepared, the machine suddenly can not stand! Ha-ha
Q:How to measure the temperature of pump body?
Buy an infrared thermometer
Q:Do you need a stop valve for the pump at home?
It is better to connect with the pump. If it is a self suction pump, it can not be connected, but when it is pumped, it does not immediately have water, and the submersible pump is not necessaryMy home is a self suction pump, fully automatic control, I took the check valve, in the pump suction port position is very good, as long as it has started, there will be water out

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