DB Series Vortex Pump for Water Supply With Rewindable Motor

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Shanghai
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TT OR LC
Min Order Qty:
1 unit
Supply Capability:
1000 unit/month

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Product Description:

Specifications

cast iron pump body 
stainless steel mechanical seal 
brass impeller 
protection IP44 

TYPEPOWERQ.RATEH.RATEOUTLETN.WPACKING DIMENSION
KWHPL/MINMINCHKGMM
DB-125A0.150.232301"5280*165*175
DB-330A0.370.540351"5.5280*165*175
DB-550A0.550.7550501"8.5320*175*190
DB-750A0.75150601"10325*160*200


 

◊ 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:About how to calculate the pump installation height?
Best to find water pump manufacturers, their own bad count. Sometimes is not necessarily correct, which is related to some parameters of the pump itself, with bad cavitation
Q:A direct type pump model with the coupling type, what is the difference?
The direct type shall be the same shaft of the pump and the motor, and the connecting shaft is a pump and the motor shall be 2 shafts, and shall be connected by a shaft coupling.
Q:1.5KW water pump caliber is 40, what is the flow rate?
General 40 caliber flow is 6.3 cubic meters, two pole motor lift about 32 meters.The so-called flow, refers to the unit of time through the closed pipeline or open channel effective cross-section of the fluid volume, also known as instantaneous flow. When the volume of fluid is expressed in volume, it is called volume flow. When the mass of fluid is expressed in mass, it is called mass flow.
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:What kind of water pump does the 5.5KW motor have?
Model has: QS-250-40-21, lift 21m, flow 40 square, motor power is 4KW, water pump diameter is 232cmQJ-200-40-26, lift 26m, flow 40 square, motor power is 5.5KW, water pump diameter is 189cmYou can choose the right pump according to your well path.
Q:Why should we pump water into a pump when the country uses a pump to pump it?
This is the water diversion, after the discharge of air, the pump started, under the influence of atmospheric pressure in order to absorb water.
Q:What are the parameters of the pump price?
The first point: brand, manufacturers are generally different, the price difference is relatively large, the brand effect and quality of this.The second point: motor model and matching pump model, the general power is greater, the higher the price.The third point: special requirements, such as: to achieve a special lift, or special flow, special materials, special maintenance period, the rate of special accidents. The price is higher than the usual model.Basically, these are the pumps that determine the price of the pump. In fact, the same manufacturer, the power difference is not too large, there is no special requirements, the price is basically the same, the reason manufacturers do not the same price, is a marketing strategy, in fact, the cost is the same.
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:Think of several households sharing a pump
If you want to share the electricity bill, but also to pay their own, but it is difficult ~ but we can change the way ~!First of all, we use a pressure tank or a water tower to let it water automaticallyAn electric meter is installed on the water pump to measure its total power consumption ~!Then each household installed water meters independently and measured their water consumption ~!Then, according to the amount of water consumption, according to their respective proportion of electricity charges ~ but this cost is higher ~!

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