Seawater Submersible Pump

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Product Description:

Type description:

Take AT350QH450-115/5 as an example

AT: brand name

350: minimum well inner diameter that can apply to (mm)

Q: submersible

H: seawater

450: flow capacity (m3/h)

115: head (m)    5: impellers

Application:

AT350QH series submersible pump for seawater is suitable for offshore platform fire-fighting, thermal dissipation, seawater desalinization, seawater lifting, coastal square fountain, mariculture and attemperation as ground source heat pump in coastal area.

Technical parameter:

Max. outer diameter: 330mm; Outlet diameter: DN200

Outlet connection parameter: 12 threaded studs M16×75, bolts center distance:256mm.

In order to install easily, we particularly have equipped with a matching flange (outer diameter: 282mm, inter diameter: 220mm, thickness:20mm) consistent to the outlet.

Medium Range:

1 All kinds of seawater, alkaline corrosive water, clean water, cold water, rainwater, gushing water of mining, drinking water, etc.

2 Water temperature range: +5--+25

3 Solid content (mass ratio): ≤0.01%

4 PH: 7.9-8.6

5 Full set should be submerged in water.

Motor Parameter:

The submersible motor is lubricated by clean water. It must be filled with clean water or its service life will be lessen. If you forget filling, the motor will be broken.

Motor protection level: IPX8

Power Source:

Voltage: 380v, frequency: 50Hz or Voltage:660v, frequency:50Hz

If you need special voltage or frequency, please inform us in advance.

Materials:

Impeller: tin bronze, such as ZCuSn3Zn8Pb6Ni1

Pump bowl: tin bronze, such as ZCuSn3Zn8Pb6Ni1

Pump shaft: stainless steel 316L. Filter: 316L.  Bolt:316  Flange:316

End bell (upper and lower): 316;  Middle part:316   Motor shaft:316

Motor Seal: Rubber O-ring seal, mechanical seal

Motor regulating sleeve: rubber

Advantages:

1 Easy installation

2 Low noise, multistage

3 Built-in check valve avoiding water hammer impact.

4 High head with single stage, strong stability, the shaft diameter φ50mm, improving the equipment’s torsional property. Bearing liner is made of natural rubber and more wear-resisting, meanwhile we attach with imported hard bearing liner.

Supplys:

AT350QH series submersible pump for seawater (including the body and motor), built-in check valve, 1 flange matching outlet, 12 threaded studs M16×75, 1 maintenance instruction, 1 conformity certificate,1 packing list, external packing.

Friendly reminder:

For the customers’ convenience and our products’ quality, all the related products are manufactured by ourselves. The products detailed information are as follows:

a.         All kinds of lifting pipes including high-frequency welded pipes (dia.25mm-500mm); Connection type: flange connection, screw connection and clamp connection. They are made accurately by machine tools.

b.        Pipe clamp: the length is 50mm-500mm (we can produce the other different spans according to your requirements).

c.         Wellhead devices: return flow wellhead instruments (applied to ground source heat pump), general pump seat (we have innovated and designed this kind of pump seat by replacing the original iron castings with steel plate welding; the cable lead-in hole has also been improved by substituting the U hole for middle lead-in hole, thus making more convenient for the customers.)

d.        Desanderavoiding blocking and polluting by sand in water. And it contributes to long service life.

e.        Related products: submersible cable, starting cabinet, frequency conversion cabinet, transformer, electric generating set, etc.

f.          According to the conditions on the spot, we also supply the design proposals about pipe network, tank and installation.


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Q:About how to calculate the pump installation height?
See the design manual, town water, volume P312This formula is: NPSHA = HgHzhsZs > NPSHRAccording to the actual installation of NPSHA pump cavitation can provideThe pump NPSH provides NPSHR pump samplesAtmospheric pressure Hg pump installation siteHz liquid under certain temperature saturated steam pressure.The head loss of water pipe HsThe installation height of ZsIt is worth pointing out that, with regard to Hz, with temperature related, and some problems are not given temperature, and that value is also very small, in the calculation should be able to ignore (0 degrees C, 0.06mH2O).And atmospheric pressure, we usually use 10mH2O, in fact, and altitude also related. When the altitude is 0, it is 10.3
Q:Pump suction and pressure side road why should vacuum table and pressure gauge, and what role they have?
The pump suction and pressure side roads shall be equipped with a vacuum meter and a pressure gauge to monitor the operation of the system. When the pump is running, if the suction side of the vacuum decreases, indicating that the performance of water pump or water absorption pipe leakage; if the vacuum increases, it may be blocked suction pipe. The pressure on the water side is too large. It may be less water or the water pipe is blocked. If the pressure drops, the water consumption may increase or the water pump performance will decrease.The pressure gauges on the water side also play an important role in observing the pressure changes at the start of the pump to determine when to open the outlet valve. Usually larger pump starts, should first close the outlet valve to reduce the starting current, until the pressure of the pump rising and stable, then open the outlet valve.
Q:How to connect the household pump capacitor?
220V has two lines (lines 1, lines 2)There are two lines of capacitance (line 3, line 4)There are three lines on the motor (line 5, line 6, line 7)3 11 52 64 7That's plain enough. To change the turn, change any two of the 5, 6, 7, three lines
Q:Pump adapter belongs to the system of fire pool equipment?
Not belong to. They all belong to hydrant water supply system.
Q:Why should we pump water into a pump when the country uses a pump to pump it?
Because it is not a self-priming pump, so add water, otherwise there is no pressure can not afford
Q:What does the lift of a pump mean?
Lift lift height = water raise height = total lift lift height + water = water is expressed in M by H (m)
Q:After the pump has a control box, but also the distribution box?
What you are saying is not a concept. The function of the control box is to control one or more equipment and to protect the equipment. The function of the distribution box is to distribute the power. The control box is connected to the power box, and the power box may be responsible for several devices at the same time. The distribution box is just one of them.
Q:What are the brands of air conditioning pumps?
Look, there you are. The East is connected. The stainless steel in the south is pretty good. Both of them are famous in China
Q:Diving pump voltage
This is the reason why the line is too long and the power consumption is too large
Q:30kW what is the flow rate of the pump?
Without a lift, how can I calculate it for you?

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