Double Impeller Centrifugal Pump

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Double Impeller Centrifugal Pump

The SCM2 series are with two back to backimpellers, It is used for high head values, but if hard to reach with single impeller centrifugal pump.Suitable for civil and industrial uses to pump clean water and chemically non-aggresived liquid.Particularly be used for increasing for supply pressure, feeding boilers and loading extremely. These pump should be installed in a covered area, protected against the weather.

Pump body:Cast Iron

Impeller: Double brasss impeller

Motor:Closed, Externally ventilated

Insulation class:B(Class F if required)

Protection class: IP54/IP55

Duty:Continuously rated

Mechanical seal:Φ16, Φ18,Φ25 silicon carbide/graphite

Shaft:Stainless steel AISI 420

The normal power standard is 220v,50HZ,single phase

Three phase 220v/380v, 50HZ, 220V/460V, 60HZ

Single phase 230V, 240V, 127V,110V,115V/ 60HZ

Models are avaliable on request.









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Q:How do you do the yellow water from the suction pump?.
The reason for the yellow water in the water suction pump is that the steel pipe in the underground is corroded. The water flows out through the water during the pumping process, and yellow is mainly the color of rust.Processing method: pull out the steel pipe deep into the ground and replace it with plastic pipe.
Q:Domestic pump does not use water, or turn, I do not know why?
The motor should be kept working, may be the motor switch problem, idling motor pump long time will certainly be bad, ha ha, the solution is to find a water pump maintenance master to work safety first!
Q:What are the new regulations in the design of main and auxiliary water bin and water pump room in coal mine?
There are no special rules for the time being.
Q:What motor does the pump use?
Single-phase general use YL series, three-phase general use Y, Y2 series.
Q:Water pumps are always pumping water, what's the matter?
Is the self-priming pump, not the self-priming pump, the actual suction is too large?How much is the water pump voltage?Inlet pipe leak
Q:Stop the engine immediately and stop the circulating pump and the condensate pump. What's the harm to the turbine?
Then look at what is the circulating water pump and condensate pump users, circulating water with oil in the oil cooler then, condensed water supply pump seal water, water pump can't pump up, how will you know.
Q:What is the reason that the centrifugal pump outlet pressure decreases and the operating current increases?
See if the impeller problem is loose or something else. Impeller problems are generally
Q:After the pump has a control box, but also the distribution box?
This look at the specific situation, the water pump circuit is divided into power, power and control signal two parts,They can be placed in a larger cabinet, which is convenient for future inspection and repair.There is power and signal is separated from the general distribution box and put some air contactors, frequency converter etc.,There are some buttons, lights, etc. in the control box.
Q:What are the conditions for the series and parallel connection of the pumps?
Parallel pumps: the pump is required to lift the same. This effect is to increase traffic.Pumps in series: requirements are similar to the flow of water pumps. This allows you to increase the total head and recommend adding small pressure tanks during the series connection.
Q:Is the motor with a pump a squirrel cage induction motor?
Should be a squirrel cage motor for winding asynchronous motor for high torque applications. For example, its structure and the hoist crane cage motor with different rotor loop it can slip ring external resistor. The motor rotor circuit principle know that certain external resistance can reduce the starting current, but also can improve the rotor circuit power factor and torque. The pump load does not need large torque. So it should be the squirrel cage induction motor.

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