Electric Water Pump Single Stage Self-priming

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Supply Capability:
1000 unit/month

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Product Description:

QB60 electric water pump 

 

 

PK series are single stage self-priming pumps, suitable for both domestic and industrial applications to convey clean liquids and non-aggressive chemical fluide. The hydraulic characteristic is with higher head and bigger capacity.

 

◊ Application

 

For the correct functioning of the pump , use to pump clean water ,or non- aggressive liquids only , without sand or other impurities, such as :

1. Tank filling

2. Agricultural irrigation

3. Water transfer

4. Industrial using

5. Domestic water

 

 

◊ Working Conditions 

1. Suction lift up to 8 m
2. Liquid  temperature up to +35°C
3. Ambient temperature up to +40°C
4. Max. Working pressure: 6 bar

 

◊ Construct

Pump body: Cast Iron

Housing: Alloy Aluminum

Impeller: Brass/Plastic/SS

Motor: Electric Motor

Shaft: 45# steel/ stainless steel welding

Insulation : Class B ( Class F if you required)

Protection : IP44/IP54

Cooling: External Ventilation

Mechanical Seal: Carbon/Ceramic/Stainless Steel

 

◊ Warrnty : 1 year

(according to our general sales condition)


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Q:My fish tank pump is deep enough, it doesn't bubble up. Without oxygen supply, but it can filter. Does it damage the pump itself?
Three in one pump with a hose connected to the oxygen pump as the pipe above the water so that the air will enter the pump, you can spit bubblesYou put it too deep and put the hose into the water too. Without air, you can't spit bubblesIf the pipe is not long enough, you can find a hose for the oxygen pump instead of a long tube, with the hose out of the water and fixed
Q:Pump adapter joint net outside tube, what is the principle?
At once the room after the fire, the internal fire pool once water shortage, the water tank can be within the fire truck hit the water chamber through the pump adapter connected to the fire extinguishing effect.
Q:Does the lift of pump relate to the water level of import and export?
Pump head refers to the inlet and outlet pressure head, that is to say, the entrance resistance greatly affects the pump lift, of course, this inlet resistance has a degree, too large water pump does not bring water or cause water pump cavitation. If the water level at the pump inlet is the same height, the inlet flow resistance of the pump may not be considered.
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's the water pump?
A water pump that automatically or manually supplies water to the water system when the amount of water in the water system decreases (evaporation, overflow, etc.), and does not belong to a chilled water pump or a cooling water pump.
Q:What motor with Grundfos pumps
Our company is used in the original metering pump Grundfos, with the SIEMENS motor is a special motor, designed with Grundfos pumps use.
Q:The efficiency of water pump frequency conversion is very low, why?
There is a running curve for the fan and water pump.Enough is enough
Q:Why is the water pump smaller than the pipe diameter?
The size is only a matter of convenience or experience, and a small number of tubes are already available. As long as you can pick it up, you can use it.The so-called thick pipe to reduce resistance is a certain relationship. But it shouldn't be your decision to choose the big one. Then why don't you choose the big three? Four or the thicker ones?! @! The resistance will be smaller!!!!
Q:After the pump has a control box, but also the distribution box?
1, after the pump has the control box, do not need the distribution box.2. The control box is not the same as the distribution box.Wiring principle is as follows: from the distribution box power supply into the control box, L1, L2, L3 (usually so); from the control box to connect U, V, W to the water pump.
Q:How many lift pumps should be used for 100 meters tall buildings?
35m lift around. HVAC pump lift is generally between 5~50m, the selection of the head is mainly to see the difference between water pressure. As head of 35m as an example, if the inlet height of 60m, so the theory of height =60+35=95m, if all pipe closed air conditioning water system, and resistance of the equipment for water is equal to the pressure difference is equal to the pump head to choose your height, and out of the water is the same, the resistance loss of lift all into the water. The calculated resistance loss is needed to pump lift. The resistance component (1) chiller resistance at 60-100kpa (2) water collector resistance in 120-200kpa (3) 20-50kpa (4) air terminal equipment body resistance is generally not less than 40kpa so 100m building the resistance calculation of estimated value = (1) 80kp+ (2) chiller resistance pipe, the collector resistance (140kpa+ 3) air terminal equipment 40kpa+ (4) body resistance 50kp=310kpa safety factor of 10% 320x1.1=341kpa H= P/ (head of pressure water density * acceleration of gravity g =352000/ (10m) X9.8 =34.8m fand) so we head for 35 meters

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