Marine Horizontal Self-priming Centrifugal Surface Pumps

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
1 set
Supply Capability:
4000 set/month

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Product Description:

1. Application of the pump:

1>  Clean Water without abrasive particles, non-aggressive liquid.

2>  Domestic use.

3>  In particular for delivering water in combination with small pressure sets and for irrigation.

4>  Installed in enclosed places, or at least protected against inclement weather.

 

2.  Operating conditions.

1> Suction lift up to 8m.

2> Liquid temperature up to +40

3> Ambient temperature up to +40℃。

4> Max. working pressure: 6bar.

 

3.  Motor description:

1> 2-pole induction motor: 50Hz.

2> Insulation: Class B.

3> Protection:  IP44.

4> With capacitor and thermal overload protection.

 

4.  Material of the pumps:

1> Pump body: Cast Iron.

2> Motor bracket: Aluminum.

3> Impeller: Brass.

4> Shaft with rotor: Stainless steel or CS45#

5> Mechanical seal: Ceramic-Graphite.

6> Copper Winding.

                                         

6. FAQ

1). Can I get trained on CNBM products?

Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.

2). Are your pumps cheaper than those of your competitors?

CNBM aims to give its customers the highest standards of quality and service and delivery times, all at a reasonable price.

3). How long is your warranty?

Unless otherwise expressly authorized in writing, by specifying a longer period or different conditions, CNBM states that, for a period of twelve (12) months from delivery date, all Products supplied are free from defects in materials and workmanship, and conform to the applicable specifications. Either the delivery documentation or the invoice must be provided to prove delivery date. In absence of such documents, the production date appearing on the product label may suffice.

4) Can your pumps mount Eff.1 motors

Currently, only on request though this will shortly be a CNBM standard.

5) Are your pumps protected against dry running?

No, unprotected centrifugal pumps are not generally designed for dry running. It is important to give us or your dealer as much information as possible about the system in which the pump is used. Inlet pressure, the type of liquid to be pumped, together with relative density, viscosity and temperature, for example, are required in order to allow CNBM to recommend the right pump with the right gaskets for a long operating lifetime.

6) How can I get trained on CNBM products?

Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.



Marine Horizontal Self-priming Centrifugal Surface Pumps

Marine Horizontal Self-priming Centrifugal Surface Pumps

Marine Horizontal Self-priming Centrifugal Surface Pumps


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Q:What are the advantages and disadvantages of the pump control system and valve control system in the hydraulic system?
Large pump control valve controlled energy consumption at least 30% reason is that there are serious throttling loss of a throttle valve control system of severe fever but simple structure and low cost which is why now valve control system still occupy the main market reasons.Pump control system with complicated structure especially when serious nonlinear control unsymmetrical cylinder control effect is not ideal, but the biggest advantage is energy-saving and low fever America professor Monika points out that using the pump control system of hydraulic excavator energy efficiency compared with the valve control system can be improved by over 46% but costs are high. But in control, the three pump invented by Professor Quan LONG of China is a good solution. LZ can find the invention patent or find his paper on sage. It seems that there are three or four SCI about this pump
Q:Fire pump control cabinet There are 6 pumps, two indoor fire hydrant pumps, two spray pumps, and two outdoor pumps
You said the three line refers to the control room, the control cabinet, the main pump directly start the straight line of water pump. Each pump should be equipped with single straight line Kai, reported that the cabinet Jinglian dynamic multi line linkage control board has three buttons corresponding to a remote spray pump, fire hydrant pump, pump start outdoor fire hydrant. This requires three straight lines, from the cabinet to the three pump control cabinet, which is the 9 line you call. The water pump control cabinet is provided with a terminal for supplying a remote pump. By looking at the wiring diagram of the water pump control box, you can find the technical personnel of the control cabinet manufacturer if you can't find them.
Q:Why does the centrifugal pump close the pressure to start?
The motor power is selected according to the rated flow of shaft power points plus 15 to 25%, if the outlet valve is fully open to start, the pump flow may deviate from the amount of fixed lot, pump efficiency also reduces a lot, resulting in shaft power greater than the motor power caused by tripping even burned electric machine.
Q:Do you have a suction pump higher than 9 meters?
Since the atmospheric pressure has been basically determined, the theoretical suction degree of the pump is more than 10 meters.
Q:What is the liquid pump? What are their categories? What are their strengths and weaknesses?
The air driven liquid pump adopts compressed air driving method, and has the following advantages:The pressure can be adjusted by manual pressure control valve or air control valveIt is driven by air and is especially suitable for explosion protection applicationsAble to achieve pre-set final pressureAutomatic pressure relief by pumpLong term conservation without consuming energyWhen holding pressure, medium will not overheatThe utility model has the advantages of convenient installation and low maintenance cost, and only needs to connect the gas source, the inlet pipeline and the pressure pipelineReliable operation, low maintenance cost and little noise at the time of operation
Q:What's the submersible pump?What is a submersible pump, and what about it?
Not afraid of water, because it is placed in the water itself to cool themselves, you can use for a long time. The amount of water pumped and the height of the water now basically meets the needs of a small amount of individual and a large number of factories. This is the submersible pump, the water pump in the water. You can see.
Q:What is the pump lift voltage? And how to suppress the pumping voltage rise?
[suppression of pumping voltage] the general use of the installation of absorption resistance to absorb the pump voltage rise. The simplest way to control the pump voltage is to connect the DC bus with an energy consumption resistor before releasing the pump voltage.
Q:What are the characteristics of a vertical multistage centrifugal pump?
Vertical multistage centrifugal pump system using the latest international advanced IS type hydraulic model based design for high efficiency centrifugal pump with multi segment, the soft packing or mechanical seal, has the characteristics of high efficiency, large flow, high lift, no leakage, a wide range of performance, safe operation, stable operation and long service life and small area.
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Generally as:The bottom elevation of sump sump plus 300 is the water level of pump stopThe top 300 of the sump top elevation is the pump water level
Q:What is a water pump coupling device?
The water pump coupling device comprises a coupler, a coupling flange, a guide rod and an upper fixing plate, wherein the contact surface of the coupling base and the coupling slide plate is provided with an annular groove, and a soft sealing gasket is tightly fixed on the groove. By adopting the structure, the coupling contact surface of the coupling slide plate and the coupling base is sealed firmly by an annular sealing groove

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